Motorola ASTRO Digital Spectra Manuals

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Motorola ASTRO Digital Spectra Detailed Service Manual

Motorola ASTRO Digital Spectra Detailed Service Manual (442 pages)

UHF & VHF 800 MHz Mobile Radios  
Brand: Motorola | Category: Radio | Size: 24.23 MB
Table of contents
Motorola, Inc3................................................................................................................................................................
Computer Software Copyrights4................................................................................................................................................................
Table Of Contents8................................................................................................................................................................
Limited Warranty21................................................................................................................................................................
Chapter 1 Introduction49................................................................................................................................................................
Notations Used In This Manual50................................................................................................................................................................
Chapter 2 General Overview51................................................................................................................................................................
Analog Mode Of Operation52................................................................................................................................................................
Display (w9 Model)53................................................................................................................................................................
Vehicle Interface Ports54................................................................................................................................................................
Power Amplifier55................................................................................................................................................................
Front-end Receiver Assembly56................................................................................................................................................................
Uhf And 800 Mhz Radios57................................................................................................................................................................
Radio Power58................................................................................................................................................................
B+ Routing For Astro Spectra Vocon Board59................................................................................................................................................................
Figure 2-2. Astro Spectra B+ Routing For Vocoder/controller (vocon) Board60................................................................................................................................................................
Chapter 3 Theory Of Operation61................................................................................................................................................................
Figure 3-1. Prescaler Ic Block Diagram62................................................................................................................................................................
Synthesizer63................................................................................................................................................................
Programmable Reference Divider64................................................................................................................................................................
Phase Modulator65................................................................................................................................................................
Second Vco66................................................................................................................................................................
Abacus Ii Ic67................................................................................................................................................................
Command Board68................................................................................................................................................................
Power-up/-down Sequence69................................................................................................................................................................
Regulators70................................................................................................................................................................
Serial Communications On The External Bus71................................................................................................................................................................
Synchronous Serial Bus (mosi)72................................................................................................................................................................
Transmit Deviation73................................................................................................................................................................
Regulator And Power-control Ic74................................................................................................................................................................
Astro Spectra Vocon Board75................................................................................................................................................................
Figure 3-7. Vocon Board – Controller Section76................................................................................................................................................................
Vocoder Section77................................................................................................................................................................
Rx Signal Path78................................................................................................................................................................
Figure 3-9. Dsp Rssi Port – Rx Mode79................................................................................................................................................................
Tx Signal Path81................................................................................................................................................................
Controller Bootstrap And Asynchronous Buses82................................................................................................................................................................
Figure 3-11. Host Sb9600 And Rs232 Ports83................................................................................................................................................................
Vocoder Bootstrap84................................................................................................................................................................
Figure 3-12. Controller Memory Mapping85................................................................................................................................................................
Vocoder Memory Map86................................................................................................................................................................
Figure 3-13. Vocoder Memory Mapping87................................................................................................................................................................
Mcu System Clock88................................................................................................................................................................
Vocon Board Signals89................................................................................................................................................................
Table 3-3. Vocon Board Address Bus (ha) Pinouts90................................................................................................................................................................
Table 3-5. Vocon Board Data Bus (hd) Pinouts91................................................................................................................................................................
Table 3-6. U204 (mcu)92................................................................................................................................................................
Table 3-7. U206 (slic)93................................................................................................................................................................
Table 3-8. Vocon U405 (dsp)95................................................................................................................................................................
Table 3-9. Vocon U406 (adsic)96................................................................................................................................................................
Astro Spectra Plus Vocon Board98................................................................................................................................................................
Astro Spectra Plus Vocoder Section99................................................................................................................................................................
Figure 3-15. Astro Spectra Plus Vocon Board – Vocoder Section100................................................................................................................................................................
Astro Spectra Plus Rx Signal Path101................................................................................................................................................................
Astro Spectra Plus Tx Signal Path102................................................................................................................................................................
Astro Spectra Plus Controller Bootstrap And Asynchronous Busses103................................................................................................................................................................
Astro Spectra Plus Serial Peripheral Interface Bus104................................................................................................................................................................
Astro Spectra Plus Voltage Regulators105................................................................................................................................................................
Astro Spectra Plus Radio Power-up/power-down Sequence106................................................................................................................................................................
Voltage Control Oscillator107................................................................................................................................................................
Synthesizer Feedback108................................................................................................................................................................
Uhf Band109................................................................................................................................................................
Doubler110................................................................................................................................................................
Receive Mode-aux 1* And Aux 2* High111................................................................................................................................................................
Second Buffer112................................................................................................................................................................
Receiver Front-end113................................................................................................................................................................
Theory Of Operation114................................................................................................................................................................
Power Amplifiers115................................................................................................................................................................
Antenna Switch And Harmonic Filter116................................................................................................................................................................
Power Control Circuitry117................................................................................................................................................................
Watt Power Amplifier119................................................................................................................................................................
Figure 3-21. Regulator/power Control Ic Block Diagram121................................................................................................................................................................
Watt Power Amplifiers123................................................................................................................................................................
Uhf Band Power Amplifiers128................................................................................................................................................................
Figure 3-25. Rpcic Block Diagram130................................................................................................................................................................
Figure 3-26. Rpcic Block Diagram134................................................................................................................................................................
Mhz Band Power Amplifiers137................................................................................................................................................................
Figure 3-27. Rpcic Block Diagram139................................................................................................................................................................
Chapter 4 Troubleshooting Procedures143................................................................................................................................................................
Astro Spectra Procedures143................................................................................................................................................................
Handling Precautions143................................................................................................................................................................
Table 4-1. Power-up Self-check Error Codes144................................................................................................................................................................
Table 4-2. Voltage By Location147................................................................................................................................................................
Table 4-3. Feedback Frequency Ranges149................................................................................................................................................................
Second Vco Checks150................................................................................................................................................................
Table 4-4. Standard Operating Bias151................................................................................................................................................................
Table 4-5. Astro Spectra Plus Power-up Self-check Error Codes152................................................................................................................................................................
Table 4-6. Astro Spectra Plus Standard Operating Bias154................................................................................................................................................................
Vco Procedures155................................................................................................................................................................
Vhf Band155................................................................................................................................................................
Vco Hybrid Assembly155................................................................................................................................................................
Figure 4-1. Vco Block Diagram – Vhf Band156................................................................................................................................................................
Table 4-7. Vco Frequency157................................................................................................................................................................
Figure 4-2. Vco Block Diagram – Uhf Band159................................................................................................................................................................
Figure 4-3. Vco Block Diagram – 800 Mhz Band160................................................................................................................................................................
Mhz Band162................................................................................................................................................................
Power Amplifier Procedures163................................................................................................................................................................
Figure 4-4. Connector Pin-out – High-power Amplifier164................................................................................................................................................................
Table 4-8. Power Control Dc Voltage Chart165................................................................................................................................................................
Pa Functional Testing167................................................................................................................................................................
Table 4-9. Lla And 2nd Stage Typical Voltages168................................................................................................................................................................
Power Control And Protection Circuitry170................................................................................................................................................................
Figure 4-5. Pa Test Adapter, 25/10 Watt Power Amplifier173................................................................................................................................................................
Localizing Problems176................................................................................................................................................................
Isolating Failures177................................................................................................................................................................
Figure 4-6. Pa Test Adapter, 50 Watt Power Amplifier182................................................................................................................................................................
Figure 4-7. Connector Pin-out – High-power Amplifier190................................................................................................................................................................
Table 4-17. Power Control Dc Voltage Chart191................................................................................................................................................................
Table 4-18. Lla And 2nd Stage Typical Voltages194................................................................................................................................................................
Figure 4-9. Pa Test Adapter, 40 Watt Power Amplifier200................................................................................................................................................................
Table 4-20. Power Control Dc Voltage Chart201................................................................................................................................................................
Table 4-24. Power Control Dc Voltage Chart210................................................................................................................................................................
Chapter 5 Troubleshooting Charts219................................................................................................................................................................
Rf Board Back-end221................................................................................................................................................................
Radio Power-up Fail223................................................................................................................................................................
Bootstrap Fail224................................................................................................................................................................
General Hardware Failure225................................................................................................................................................................
Or 002, External Eeprom Checksum Failure226................................................................................................................................................................
Mcu (host Mc) External Sram Failure227................................................................................................................................................................
A0, Adsic Checksum Failure228................................................................................................................................................................
Chapter 6 Troubleshooting Waveforms245................................................................................................................................................................
Astro Digital Spectra Waveforms246................................................................................................................................................................
Waveform W1: Power-on Reset Timing246................................................................................................................................................................
Waveform W2: Dsp Ssi Port Rx Mode246................................................................................................................................................................
Waveform W3: Dsp Ssi Port Tx Mode Csq247................................................................................................................................................................
Waveform W4: Abacus Programming At Mode Change247................................................................................................................................................................
Waveform W5: Abacus/adsic Interface248................................................................................................................................................................
Waveform W6: Spi Bus Programming Adsic248................................................................................................................................................................
Waveform W7: Receive Audio249................................................................................................................................................................
Waveform W8: Transmit Audio249................................................................................................................................................................
Waveform W9: Power-down Reset250................................................................................................................................................................
Waveform W10: Adsic 2.4 Mhz Reference250................................................................................................................................................................
Astro Digital Spectra Plus Vocon Board Waveforms251................................................................................................................................................................
Mhz Clock Waveform252................................................................................................................................................................
Tx Modulation Out Waveform252................................................................................................................................................................
Differential Addag Output Waveform253................................................................................................................................................................
Tx Ssi Waveform253................................................................................................................................................................
Spi Bus Waveform254................................................................................................................................................................
Tx 1 Khz Tone Waveform254................................................................................................................................................................
Serial Audio Port Waveform255................................................................................................................................................................
Rx Audio Waveform255................................................................................................................................................................
Rx Bbp Waveform256................................................................................................................................................................
Secure Interface Waveform256................................................................................................................................................................
Khz Frame Sync For Security Circuitry Waveform257................................................................................................................................................................
List Of Schematics And Component Location Diagrams259................................................................................................................................................................
Rf Section260................................................................................................................................................................
Table 7-4. P503 Command Board To Rf Power Amplifier Board261................................................................................................................................................................
Astro Spectra Radio Interconnection262................................................................................................................................................................
Hrn4009b/hrn6014a Vhf Rf Board, Hrn4010b/hrn6020a Uhf Rf Board, And Hrn6019a 800 Mhz Rf Board Schematic263................................................................................................................................................................
Hrn4009b/hrn6014a Vhf Rf Board, Hrn4010b/hrn6020a Uhf Rf Board, And Hrn6019a 800 Mhz Rf Board Component Location Diagrams264................................................................................................................................................................
Hrn4009c/hrn6014c Vhf Rf Board Schematic Diagram267................................................................................................................................................................
Hrn4009c/hrn6014c Vhf Rf Board Component Location Diagrams268................................................................................................................................................................
Hrn4009e/hrn6014d Vhf Rf Board, Hrn4010d/hrn6020c Uhf Rf Board, And Hrn6019c 800 Mhz Rf Board Schematic Diagram (sheet 1 Of 2)270................................................................................................................................................................
Hrn4009e/hrn6014d Vhf Rf Board, Hrn4010d/hrn6020c Uhf Rf Board, And Hrn6019c 800 Mhz Rf Board Schematic Diagram (sheet 2 Of 2)271................................................................................................................................................................
Hrn4009e/hrn6014d Vhf Rf Board, Hrn4010d/hrn6020c Uhf Rf Board, And Hrn6019c 800 Mhz Rf Component Location Diagram272................................................................................................................................................................
Command Board Section275................................................................................................................................................................
Hln5558e/f/g, Hln6529c/d/e, Hln6560c/d/e/f/g/h, And Hln6562c/d/e/f/g/h Command Board Component Location Diagrams276................................................................................................................................................................
Hln5558h/j, Hln6529h, Hln6560j, And Hln6562j Command Board Schematic Diagram279................................................................................................................................................................
Hln5558h/j, Hln6529h, Hln6560j, And Hln6562j Component Location Diagram280................................................................................................................................................................
Vocon Section284................................................................................................................................................................
Hln6458d Vocon Board Schematic (sheet 2 Of 2)285................................................................................................................................................................
Hln6458d Vocon Board Component Location Diagrams (sheet 1 Of 2)286................................................................................................................................................................
Hln6458d Vocon Board Component Location Diagrams (sheet 2 Of 2)287................................................................................................................................................................
Hln6458e Vocon Board Schematic (sheet 1 Of 2)290................................................................................................................................................................
Hln6458e Vocon Board Schematic (sheet 2 Of 2)291................................................................................................................................................................
Hln6458e Vocon Board Component Location Diagrams (sheet 1 Of 2)292................................................................................................................................................................
Hln6458e Vocon Board Component Location Diagrams (sheet 2 Of 2)293................................................................................................................................................................
Hln6458f/g Vocon Board Schematic (sheet 1 Of 2)296................................................................................................................................................................
Hln6458f/g Vocon Board Schematic (sheet 2 Of 2)297................................................................................................................................................................
Hln6458f/g Vocon Board Component Location Diagrams (sheet 1 Of 2)298................................................................................................................................................................
Hln6458f/g Vocon Board Component Location Diagrams (sheet 2 Of 2)299................................................................................................................................................................
Hln6458h Vocon Board Schematic (sheet 1 Of 2)302................................................................................................................................................................
Hln6458h Vocon Board Schematic (sheet 2 Of 2)303................................................................................................................................................................
Hln6458h Vocon Board Component Location Diagrams304................................................................................................................................................................
Astro Spectra Plus Vocon Section307................................................................................................................................................................
Astro Spectra Plus Vocon Top Level Schematic (sheet 2 Of 2)308................................................................................................................................................................
Hln6837a Astro Spectra Plus Rf Interface Schematic (sheet 1 Of 2)309................................................................................................................................................................
Hln6837a Astro Spectra Plus Rf Interface Schematic (sheet 2 Of 2)310................................................................................................................................................................
Hln6837a Astro Spectra Plus Digital/usb Schematic (sheet 1 Of 2)311................................................................................................................................................................
Hln6837a Astro Spectra Plus Digital/usb Schematic (sheet 2 Of 2)312................................................................................................................................................................
Hln6837a Astro Spectra Plus Audio/dc Schematic313................................................................................................................................................................
Hln6837a Astro Spectra Plus Voltage Conversion Schematic314................................................................................................................................................................
Hln6837a Astro Spectra Plus Secure Interface Schematic315................................................................................................................................................................
Hln6837a Astro Spectra Plus Vocon Component Location Diagram, Top View316................................................................................................................................................................
Hln6837a Astro Spectra Plus Vocon Component Location Diagram, Bottom View317................................................................................................................................................................
Hln6837c Astro Spectra Plus Vocon Top Level Schematic (sheet 1 Of 2)320................................................................................................................................................................
Hln6837c Astro Spectra Plus Vocon Top Level Schematic (sheet 2 Of 2)321................................................................................................................................................................
Hln6837c Astro Spectra Plus Digital/memory Schematic (sheet 1 Of 2)322................................................................................................................................................................
Hln6837c Astro Spectra Plus Digital/memory Schematic (sheet 2 Of 2)323................................................................................................................................................................
Hln6837c Astro Spectra Plus Audio/dc Discrete Schematic324................................................................................................................................................................
Hln6837c Astro Spectra Plus Rf Interface Schematic325................................................................................................................................................................
Hln6837c Astro Spectra Plus Secure Schematic326................................................................................................................................................................
Hln6837c Astro Spectra Plus Vtrans/usb Schematic327................................................................................................................................................................
Hln6837c Astro Spectra Plus Vocon Component Location Diagram, Top View328................................................................................................................................................................
Hln6837c Astro Spectra Plus Vocon Component Location Diagram, Bottom View329................................................................................................................................................................
Hln6837e Astro Spectra Plus Vocon Top Level Schematic (sheet 1 Of 2)332................................................................................................................................................................
Hln6837e Astro Spectra Plus Vocon Top Level Schematic (sheet 2 Of 2)333................................................................................................................................................................
Hln6837e Astro Spectra Plus Digital/memory Schematic (sheet 1 Of 2)334................................................................................................................................................................
Hln6837e Astro Spectra Plus Digital/memory Schematic (sheet 2 Of 2)335................................................................................................................................................................
Hln6837e Astro Spectra Plus Vtrans Schematic336................................................................................................................................................................
Hln6837e Astro Spectra Plus Audio/dc Discrete Schematic337................................................................................................................................................................
Hln6837e Astro Spectra Plus Voltage Conversion Block Schematic338................................................................................................................................................................
Hln6837e Astro Spectra Plus Rf Interface Schematic339................................................................................................................................................................
Hln6837e Astro Spectra Plus Secure Schematic340................................................................................................................................................................
Hln6837e Astro Spectra Plus Vocon Component Location Diagram, Top View341................................................................................................................................................................
Hln6837e Astro Spectra Plus Vocon Component Location Diagram, Bottom View342................................................................................................................................................................
Vco Section346................................................................................................................................................................
Hld6061d And Hld6062d Vhf Vco Hybrid Component Location Diagram347................................................................................................................................................................
Hld4342b And Hld4343b Vhf Vco Carrier Schematic Diagram349................................................................................................................................................................
Hld4342d And Hld4343d Vhf Vco Carrier Schematic Diagram350................................................................................................................................................................
Hld4342b/hld4343b Vhf Vco Carrier Component Location Diagram351................................................................................................................................................................
Hld4342d/hld4343d Vhf Vco Carrier Component Location Diagram352................................................................................................................................................................
Uhf Vco Ranges 1, 2, 3, And 4 Hybrid Schematic355................................................................................................................................................................
Hle6101a Uhf Vco Range 1 Hybrid And Hle6102a Range 2 Hybrid Component Location Diagram356................................................................................................................................................................
Hle6103b Uhf Vco Range 3 Hybrid And Hle6104b Range 4 Hybrid Component Location Diagram358................................................................................................................................................................
Uhf Vco Ranges 1, 2, 3, And 4 Schematic Diagram360................................................................................................................................................................
Hle6045b Range 1 And Hle6046b Range 2 Uhf Vco Component Location Diagrams361................................................................................................................................................................
Hle6000d Range 3 And Hle6041d Range 4 Uhf Vco Component Location Diagrams362................................................................................................................................................................
Hlf6080b 800 Mhz Vco Schematic Diagram364................................................................................................................................................................
Hlf6080b 800 Mhz Vco Component Location Diagram365................................................................................................................................................................
Rx Front-end Section367................................................................................................................................................................
Hrd6001e/6002e/6011e/6012e Vhf Component Location Diagram368................................................................................................................................................................
Hrd6001g/6002g/6011g/6012g Vhf Receiver Front-end Schematic372................................................................................................................................................................
Hrd6001g/6002g/6011g/6012g Vhf Receiver Front-end Component Location Diagram373................................................................................................................................................................
Hre6001b/c,6002c,6003b/c,6004b/c,6011b/c,6012b,6014b Uhf Receiver Front-end Preamp And Standard Schematics375................................................................................................................................................................
Hre6001b/c,6002c,6003b/c,6004b/c,6011b/c,6012b,6014b Uhf Receiver Front-end Hybrid Component Location Diagram376................................................................................................................................................................
Hrf6004b/c 800 Mhz Receiver Front-end Schematic Diagram379................................................................................................................................................................
Hrf6004b/c 800 Mhz Receiver Front-end Component Location Diagram380................................................................................................................................................................
Power Amplifier Section382................................................................................................................................................................
Hld6022c Vhf 50-watt Pa Component Location Diagram, Side 1383................................................................................................................................................................
Hld6022c Vhf 50-watt Pa Component Location Diagram, Side 2384................................................................................................................................................................
Hld6064c Vhf Range 1 And Hld6063d Range 2 100-watt Pa Schematic386................................................................................................................................................................
Hld6064c Vhf Range 1 And Hld6063d Range 2 100-watt Pa Component Location Diagram, Side 1387................................................................................................................................................................
Hld6064c Vhf Range 1 And Hld6063d Range 2 100-watt Pa Component Location Diagram, Side 2388................................................................................................................................................................
Hld6032b/hld6066b Vhf 25-watt Pa Schematic390................................................................................................................................................................
Hld6032b/hld6066b Vhf 25-watt Pa Component Location Diagram, Side 1391................................................................................................................................................................
Hld6032b/hld6066b Vhf 25-watt Pa Component Location Diagram, Side 2392................................................................................................................................................................
Hle6062b And Hle6071b Uhf 25-watt Pa Schematic395................................................................................................................................................................
Hle6062b Uhf 25-watt Pa Component Location Diagram, Side 1396................................................................................................................................................................
Hle6062b Uhf 25-watt Pa Component Location Diagram, Side 2397................................................................................................................................................................
Hle6043c/d, Hle6044c/d, And Hle6049b/c Uhf 40-watt Pa Schematic399................................................................................................................................................................
Hle6043c/d, Hle6044c/d, And Hle6049b/c Uhf 40-watt Pa Component Location Diagram, Side 1400................................................................................................................................................................
Hle6043c/d, Hle6044c/d, And Hle6049b/c Uhf 40-watt Pa Component Location Diagram, Side 2401................................................................................................................................................................
Hle6039c, Hle6040c, And Hle6051c Uhf 100-watt Pa Schematic405................................................................................................................................................................
Hle6039c, Hle6040c, And Hle6051c Uhf 100-watt Pa Component Location Diagram, Side 1406................................................................................................................................................................
Hle6039c, Hle6040c, And Hle6051c Uhf 100-watt Pa Component Location Diagram, Side 2407................................................................................................................................................................
Hlf6078b 800 Mhz 15-watt Pa Schematic412................................................................................................................................................................
Hlf6078b 800 Mhz 15-watt Pa Component Location Diagram, Side 1413................................................................................................................................................................
Hlf6078b 800 Mhz 15-watt Pa Component Location Diagram, Side 2414................................................................................................................................................................
Hlf6077d 800 Mhz 35-watt Pa Schematic416................................................................................................................................................................
Hlf6077d 800 Mhz 35-watt Pa Component Location Diagram, Side 1417................................................................................................................................................................
Hlf6077d 800 Mhz 35-watt Pa Component Location Diagram, Side 2418................................................................................................................................................................
A.1 Introduction421................................................................................................................................................................
A.2 Circuit Description422................................................................................................................................................................
B.1 Basic Ordering Information423................................................................................................................................................................
B.5 Telephone Orders424................................................................................................................................................................
Glossary425................................................................................................................................................................
Index435................................................................................................................................................................

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Motorola ASTRO Digital Spectra Service Manual

Motorola ASTRO Digital Spectra Service Manual (248 pages)

Digital Spectra and Digital Spectra Plus UHF/VHF/800 MHz Mobile Radios  
Brand: Motorola | Category: Radio | Size: 2.52 MB
Table of contents
Diagram2................................................................................................................................................................
Table Of Contents4................................................................................................................................................................
Vco Section14................................................................................................................................................................
Limited Warranty15................................................................................................................................................................
Chapter 1 Introduction39................................................................................................................................................................
General39................................................................................................................................................................
Notations Used In This Manual40................................................................................................................................................................
Chapter 2 General Overview41................................................................................................................................................................
Introduction41................................................................................................................................................................
Analog Mode Of Operation42................................................................................................................................................................
Astro Mode Of Operation42................................................................................................................................................................
Control Head Assembly42................................................................................................................................................................
Display (w3 Model)42................................................................................................................................................................
Display (w4, W5, And W7 Models)42................................................................................................................................................................
Display (w9 Model)43................................................................................................................................................................
Vacuum Fluorescent Display Driver43................................................................................................................................................................
Vacuum Fluorescent Voltage Source (w9 Model)43................................................................................................................................................................
Controls And Indicators43................................................................................................................................................................
Status Leds43................................................................................................................................................................
Backlight Leds43................................................................................................................................................................
Vehicle Interface Ports44................................................................................................................................................................
Power Supplies44................................................................................................................................................................
Ignition Sense Circuits44................................................................................................................................................................
Power Amplifier45................................................................................................................................................................
Gain Stages45................................................................................................................................................................
Power Control45................................................................................................................................................................
Circuit Protection45................................................................................................................................................................
Dc Interconnect45................................................................................................................................................................
Front-end Receiver Assembly46................................................................................................................................................................
Rf Board Basic46................................................................................................................................................................
Voltage-controlled Oscillator46................................................................................................................................................................
Vhf Radios46................................................................................................................................................................
Uhf And 800 Mhz Radios47................................................................................................................................................................
Command Board47................................................................................................................................................................
Astro Spectra Vocoder/controller Board47................................................................................................................................................................
Radio Power48................................................................................................................................................................
B+ Routing For Astro Spectra Vocon Board49................................................................................................................................................................
Chapter 3 Theory Of Operation51................................................................................................................................................................
Rf Board51................................................................................................................................................................
Figure 3-1. Prescaler Ic Block Diagram52................................................................................................................................................................
Figure 3-2. Synthesizer Ic Block Diagram52................................................................................................................................................................
Synthesizer53................................................................................................................................................................
Reference Frequency Generation53................................................................................................................................................................
First Vco Frequency Generation53................................................................................................................................................................
Programmable Reference Divider54................................................................................................................................................................
Phase Modulator55................................................................................................................................................................
Loop Filter55................................................................................................................................................................
Auxiliary Control Bits55................................................................................................................................................................
Second Vco56................................................................................................................................................................
Power Distribution56................................................................................................................................................................
Receiver Back-end56................................................................................................................................................................
First If56................................................................................................................................................................
Abacus Ii Ic57................................................................................................................................................................
Microcontroller And Support Ics58................................................................................................................................................................
Serial Input/output Ic58................................................................................................................................................................
Power-up/-down Sequence59................................................................................................................................................................
Regulators60................................................................................................................................................................
Reset Circuits60................................................................................................................................................................
Serial Communications On The External Bus61................................................................................................................................................................
Synchronous Serial Bus (mosi)62................................................................................................................................................................
Received Audio62................................................................................................................................................................
Microphone Audio62................................................................................................................................................................
Transmit Deviation63................................................................................................................................................................
Rs-232 Line Driver63................................................................................................................................................................
Flash Programming63................................................................................................................................................................
Encryption Voltages63................................................................................................................................................................
Regulator And Power-control Ic64................................................................................................................................................................
Astro Spectra Vocon Board65................................................................................................................................................................
Controller Section65................................................................................................................................................................
Vocoder Section67................................................................................................................................................................
Rx Signal Path68................................................................................................................................................................
Tx Signal Path71................................................................................................................................................................
Controller Bootstrap And Asynchronous Buses72................................................................................................................................................................
Vocoder Bootstrap74................................................................................................................................................................
Serial Peripheral Interface (spi) Bus74................................................................................................................................................................
Controller Memory Map74................................................................................................................................................................
Figure 3-12. Controller Memory Mapping75................................................................................................................................................................
Vocoder Memory Map76................................................................................................................................................................
Figure 3-13. Vocoder Memory Mapping77................................................................................................................................................................
Mcu System Clock78................................................................................................................................................................
Dsp System Clock78................................................................................................................................................................
Radio Power-up/power-down Sequence78................................................................................................................................................................
Vocon Board Signals79................................................................................................................................................................
Astro Spectra Plus Vocon Board88................................................................................................................................................................
Astro Spectra Plus Controller Section88................................................................................................................................................................
Astro Spectra Plus Vocoder Section89................................................................................................................................................................
Astro Spectra Plus Rx Signal Path91................................................................................................................................................................
Astro Spectra Plus Tx Signal Path92................................................................................................................................................................
Astro Spectra Plus Controller Bootstrap And Asynchronous Busses93................................................................................................................................................................
Astro Spectra Plus Serial Peripheral Interface Bus94................................................................................................................................................................
Astro Spectra Plus Mcu And Dsp System Clocks94................................................................................................................................................................
Astro Spectra Plus Voltage Regulators95................................................................................................................................................................
Astro Spectra Plus Radio Power-up/power-down Sequence96................................................................................................................................................................
Voltage Control Oscillator97................................................................................................................................................................
Vhf Band97................................................................................................................................................................
Dc Voltage Supplies97................................................................................................................................................................
Synthesizer Feedback98................................................................................................................................................................
Rx Buffer Circuitry98................................................................................................................................................................
Frequency Divider And Tx Buffer Circuitry98................................................................................................................................................................
Uhf Band98................................................................................................................................................................
Super Filter 8.6 V99................................................................................................................................................................
Receive Mode (aux2* Low)99................................................................................................................................................................
Transmit Mode (aux2* High)99................................................................................................................................................................
Bandshift Circuit99................................................................................................................................................................
Output Buffer99................................................................................................................................................................
First Buffer99................................................................................................................................................................
Doubler100................................................................................................................................................................
Second Buffer100................................................................................................................................................................
Receive/transmit Switch100................................................................................................................................................................
Mhz Band100................................................................................................................................................................
Receive Mode-aux 1* And Aux 2* High101................................................................................................................................................................
Transmit Mode-aux 1* High; Aux 2* Low101................................................................................................................................................................
Talkaround Mode-aux 1* Low; Aux 2* Low101................................................................................................................................................................
Vco Buffer101................................................................................................................................................................
First Buffer Circuit101................................................................................................................................................................
K9.4 V Switch102................................................................................................................................................................
Receiver Front-end103................................................................................................................................................................
Theory Of Operation103................................................................................................................................................................
Power Amplifiers105................................................................................................................................................................
Vhf Band Power Amplifiers105................................................................................................................................................................
High-power Amplifier105................................................................................................................................................................
Transmitter105................................................................................................................................................................
Antenna Switch And Harmonic Filter106................................................................................................................................................................
Power Control Circuitry107................................................................................................................................................................
Watt Power Amplifier109................................................................................................................................................................
Watt Power Amplifiers113................................................................................................................................................................
Figure 3-23. Regulator/power Control Ic Block Diagram115................................................................................................................................................................
Uhf Band Power Amplifiers118................................................................................................................................................................
Figure 3-25. Rpcic Block Diagram120................................................................................................................................................................
Figure 3-26. Rpcic Block Diagram124................................................................................................................................................................
Mhz Band Power Amplifiers127................................................................................................................................................................
And 35-watt Amplifiers127................................................................................................................................................................
Figure 3-27. Rpcic Block Diagram129................................................................................................................................................................
Temperature Sensing131................................................................................................................................................................
Chapter 4 Troubleshooting Procedures133................................................................................................................................................................
Astro Spectra Procedures133................................................................................................................................................................
Handling Precautions133................................................................................................................................................................
Voltage Measurement And Signal Tracing134................................................................................................................................................................
Power-up Self-check Errors134................................................................................................................................................................
Power-up Sequence135................................................................................................................................................................
Rf Board Troubleshooting137................................................................................................................................................................
Display Flashes "fail137................................................................................................................................................................
Incorrect Values At U602, Pin 19138................................................................................................................................................................
Incorrect Values At U602 Pin 25 (modulus Control)139................................................................................................................................................................
Incorrect Voltage At Positive Steering Line139................................................................................................................................................................
Incorrect Values At U602, Pin 27139................................................................................................................................................................
Review Of Synthesizer Fundamentals139................................................................................................................................................................
Second Vco Checks140................................................................................................................................................................
Troubleshooting The Back-end140................................................................................................................................................................
Standard Bias Table141................................................................................................................................................................
Astro Spectra Plus Procedures142................................................................................................................................................................
Astro Spectra Plus Power-up Self-check Errors142................................................................................................................................................................
Astro Spectra Plus Power-up Self-check Diagnostics And Repair143................................................................................................................................................................
Astro Spectra Plus Standard Bias Table144................................................................................................................................................................
Vco Procedures145................................................................................................................................................................
Vco Hybrid Assembly145................................................................................................................................................................
Out-of-lock Condition145................................................................................................................................................................
No Or Low Output Power (tx Or Rx Injection)147................................................................................................................................................................
No Or Low Modulation147................................................................................................................................................................
Receiver Front-end (rxfe)152................................................................................................................................................................
Power Amplifier Procedures153................................................................................................................................................................
General Troubleshooting And Repair Notes153................................................................................................................................................................
Pa Functional Testing157................................................................................................................................................................
Power Control And Protection Circuitry160................................................................................................................................................................
Localizing Problems166................................................................................................................................................................
Isolating Failures167................................................................................................................................................................
Watt And 35 Watt Power Amplifiers198................................................................................................................................................................
Chapter 5 Troubleshooting Charts209................................................................................................................................................................
List Of Troubleshooting Charts209................................................................................................................................................................
Rf Board Back-end211................................................................................................................................................................
Radio Power-up Fail213................................................................................................................................................................
Bootstrap Fail214................................................................................................................................................................
General Hardware Failure215................................................................................................................................................................
Host Rom Checksum Failure215................................................................................................................................................................
Or 002, External Eeprom Checksum Failure216................................................................................................................................................................
Slic Initialization Failure216................................................................................................................................................................
Mcu (host Mc) External Sram Failure217................................................................................................................................................................
Internal Eeprom Checksum Failure217................................................................................................................................................................
A0, Adsic Checksum Failure218................................................................................................................................................................
Dsp Rom Checksum Failure218................................................................................................................................................................
Dsp External Sram Failure U414219................................................................................................................................................................
Dsp External Sram Failure U403219................................................................................................................................................................
Dsp External Sram Failure U402220................................................................................................................................................................
General Dsp Hardware Failure220................................................................................................................................................................
Secure Hardware Failure221................................................................................................................................................................
No Tx Modulation223................................................................................................................................................................
Key Load Fail224................................................................................................................................................................
Mhz Receiver Front-end Hybrid225................................................................................................................................................................
Uhf Receiver Front-end Hybrid225................................................................................................................................................................
Vhf Receiver Front-end Hybrid226................................................................................................................................................................
Astro Spectra Plus Vocon Power-up Failure227................................................................................................................................................................
Astro Spectra Plus Vocon Dc Supply Failure228................................................................................................................................................................
Astro Spectra Plus Vocon Tx Modulation Failure Sheet 1 Of 4229................................................................................................................................................................
Astro Spectra Plus Vocon Tx Modulation Failure Sheet 2 Of 4230................................................................................................................................................................
Astro Spectra Plus Vocon Tx Modulation Failure Sheet 3 Of 4231................................................................................................................................................................
Astro Spectra Plus Vocon Tx Modulation Failure Sheet 4 Of 4232................................................................................................................................................................
Astro Spectra Plus Vocon Rx Audio Failure232................................................................................................................................................................
Astro Spectra Plus Vocon Secure Hardware Failure233................................................................................................................................................................
Astro Spectra Plus Vocon Key Load Fail234................................................................................................................................................................
Chapter 6 Troubleshooting Waveforms235................................................................................................................................................................
Astro Spectra Waveforms235................................................................................................................................................................
Waveform W1: Power-on Reset Timing235................................................................................................................................................................
Waveform W2: Dsp Ssi Port Rx Mode236................................................................................................................................................................
Waveform W3: Dsp Ssi Port Tx Mode Csq236................................................................................................................................................................
Waveform W4: Abacus Programming At Mode Change237................................................................................................................................................................
Waveform W5: Abacus/adsic Interface237................................................................................................................................................................
Waveform W6: Spi Bus Programming Adsic238................................................................................................................................................................
Waveform W7: Receive Audio238................................................................................................................................................................
Waveform W8: Transmit Audio239................................................................................................................................................................
Waveform W9: Power-down Reset239................................................................................................................................................................
Waveform W10: Adsic 2.4 Mhz Reference240................................................................................................................................................................
Astro Spectra Digital Plus Vocon Board Waveforms241................................................................................................................................................................
Khz Clock Waveform241................................................................................................................................................................
Mhz Clock Waveform242................................................................................................................................................................
Tx Modulation Out Waveform242................................................................................................................................................................
Differential Addag Output Waveform243................................................................................................................................................................
Tx Ssi Waveform243................................................................................................................................................................
Spi Bus Waveform244................................................................................................................................................................
Tx 1 Khz Tone Waveform244................................................................................................................................................................
Serial Audio Port Waveform245................................................................................................................................................................
Rx Audio Waveform245................................................................................................................................................................
Rx Bbp Waveform246................................................................................................................................................................
Secure Interface Waveform246................................................................................................................................................................
Khz Frame Sync For Security Circuitry Waveform247................................................................................................................................................................
Motorola ASTRO Digital Spectra Service Manual

Motorola ASTRO Digital Spectra Service Manual (176 pages)

Brand: Motorola | Category: Radio | Size: 2.93 MB
Table of contents
Motorola, Inc3................................................................................................................................................................
Table Of Contents6................................................................................................................................................................
Limited Warranty15................................................................................................................................................................
Chapter 1 Introduction41................................................................................................................................................................
Flashport®42................................................................................................................................................................
Model W3 Control Head43................................................................................................................................................................
Models W4, W5, W7, And W9 Controls Head44................................................................................................................................................................
Models W4, W5, W7, And W9 Controls45................................................................................................................................................................
Chapter 2 Basic Maintenance47................................................................................................................................................................
Cleaning External Plastic Surfaces48................................................................................................................................................................
Chapter 3 Basic Theory Of Operation51................................................................................................................................................................
Analog Mode Of Operation52................................................................................................................................................................
Display (w9 Model)53................................................................................................................................................................
Vehicle Interface Port (vip)54................................................................................................................................................................
Power Control55................................................................................................................................................................
Voltage-controlled Oscillator (vco)56................................................................................................................................................................
Chapter 4 Test Equipment, Service Aids, And Tools59................................................................................................................................................................
Service Aids And Recommended Tools60................................................................................................................................................................
Table 4-4. Common Service Aids For Board-level Troubleshooting61................................................................................................................................................................
Table 4-5. Service Aids For Astro Digital Spectra Board-level Troubleshooting62................................................................................................................................................................
Field Programming Equipment63................................................................................................................................................................
Astro Digital Spectra W3 Smart Rib Issue64................................................................................................................................................................
Astro Digital Spectra Plus65................................................................................................................................................................
Chapter 5 Performance Checks67................................................................................................................................................................
Rf Test Mode69................................................................................................................................................................
Table 5-2. Test Frequencies70................................................................................................................................................................
Control Head Test Mode71................................................................................................................................................................
Receiver Performance Checks72................................................................................................................................................................
Transmitter Performance Checks73................................................................................................................................................................
Chapter 6 Radio Alignment Procedure75................................................................................................................................................................
Softpot76................................................................................................................................................................
Reference Oscillator Alignment77................................................................................................................................................................
Transmit Power Alignment78................................................................................................................................................................
Figure 6-5. Transmit Power Alignment Screen79................................................................................................................................................................
Transmit Current Limit Alignment80................................................................................................................................................................
Transmit Deviation Balance (compensation) Alignment81................................................................................................................................................................
Transmit Deviation Limit Alignment82................................................................................................................................................................
Figure 6-8. Transmit Deviation Limit Alignment Screen83................................................................................................................................................................
Bit Error Rate (ber) Performance Check84................................................................................................................................................................
Figure 6-9. Astro Digital Spectra Plus Radio Alignment Test Setup85................................................................................................................................................................
Figure 6-10. Tuner Menu Layout86................................................................................................................................................................
Figure 6-11. Typical Softpot Adjustment Screen87................................................................................................................................................................
Radio Information88................................................................................................................................................................
Figure 6-13. Reference Oscillator Alignment Screen89................................................................................................................................................................
Table 6-4. Transmit Power Settings91................................................................................................................................................................
Figure 6-17. Transmit Deviation Limit Alignment Screen95................................................................................................................................................................
Bit Error Rate (ber) Test96................................................................................................................................................................
Transmitter Test Pattern97................................................................................................................................................................
Chapter 7 Encryption99................................................................................................................................................................
Secure Emergency Operation100................................................................................................................................................................
Models W4, W5, W7, And W9101................................................................................................................................................................
Erase A Single Key (model W3)103................................................................................................................................................................
Astro Digital Spectra Model W3105................................................................................................................................................................
Astro Digital Spectra Models W4, W5, W7, And W9107................................................................................................................................................................
Advanced Secure Operation108................................................................................................................................................................
Chapter 8 Disassembly/reassembly Procedures109................................................................................................................................................................
Required Tools And Supplies110................................................................................................................................................................
Models W4, W5, And W7111................................................................................................................................................................
Model W9112................................................................................................................................................................
Remote Back Housing Interface Board113................................................................................................................................................................
Remote Interconnect Board114................................................................................................................................................................
Power Amplifier Board115................................................................................................................................................................
Mhz Radios116................................................................................................................................................................
Pc Board Installation117................................................................................................................................................................
Back-end Installation118................................................................................................................................................................
Vocon (vocoder/controller) Board119................................................................................................................................................................
High-power Radios120................................................................................................................................................................
Receiver Front-end Board121................................................................................................................................................................
Vco Board122................................................................................................................................................................
High-power Radio123................................................................................................................................................................
Command Board125................................................................................................................................................................
Fastener Torque Chart126................................................................................................................................................................
Chapter 9 Basic Troubleshooting129................................................................................................................................................................
Astro Digital Spectra130................................................................................................................................................................
Operational Error Codes132................................................................................................................................................................
Receiver Troubleshooting137................................................................................................................................................................
Synthesizer Troubleshooting140................................................................................................................................................................
Chapter 10 Functional Block Diagrams And Connectors143................................................................................................................................................................
Digital Spectra Functional Block Diagram (models W3, W4, W5, W7, And W9)144................................................................................................................................................................
Digital Spectra Plus Functional Block Diagram (models W3, W4, W5, W7, And W9)145................................................................................................................................................................
Radio Connectors146................................................................................................................................................................
Radio Connector Locations147................................................................................................................................................................
Extender Cable (p501)148................................................................................................................................................................
Chapter 11 Exploded Views And Parts Lists149................................................................................................................................................................
Model W3 Hand-held Control Head Exploded View150................................................................................................................................................................
Model W4 Rotary Control Head Exploded View151................................................................................................................................................................
Models W5 And W7 Pushbutton Control Head Exploded View152................................................................................................................................................................
Model W9 Pushbutton Control Head Exploded View153................................................................................................................................................................
Low-power (15w) Radio Exploded View154................................................................................................................................................................
Mid-power (20-40/25-50/35w) Radio Exploded View155................................................................................................................................................................
High-power (50-110w) Radio Exploded View156................................................................................................................................................................
Motorcycle Interconnect Board And Assembly157................................................................................................................................................................
Small Pushbutton Parts158................................................................................................................................................................
A.1 Basic Ordering Information159................................................................................................................................................................
A.5 Telephone Orders160................................................................................................................................................................
Glossary161................................................................................................................................................................
Motorola ASTRO Digital Spectra Installation Manual

Motorola ASTRO Digital Spectra Installation Manual (32 pages)

FM Two-Way Mobile Radios  
Brand: Motorola | Category: Radio | Size: 0.95 MB
Table of contents
Safety Information2................................................................................................................................................................
Computer Software Copyrights2................................................................................................................................................................
Related Publications6................................................................................................................................................................
Description7................................................................................................................................................................
Radio Dimensions8................................................................................................................................................................
Figure 1 Example Of A Base/control Station Configuration9................................................................................................................................................................
Installation10................................................................................................................................................................
Figure 2 High-power Radio Installation (remote) Using A4, A5, A7 Or A9 Control Heads11................................................................................................................................................................
Figure 4 Low-/mid-power Radio Installation (dash Mount) Using A4, A5, Or A7 Control Heads12................................................................................................................................................................
Figure 6 Low-/mid-power Radio Installation (dash Mount) Using A3 Control Heads13................................................................................................................................................................
Microphone Hang-up Clip Installation14................................................................................................................................................................
Remote Radio Control Cable Installation15................................................................................................................................................................
Dash Mount Radio Installation16................................................................................................................................................................
Remote Mount High-power Radio Installation17................................................................................................................................................................
Remote A4, A5, A7, And A9 Model Control Head Installation18................................................................................................................................................................
Remote A3 Model Control Head Installation19................................................................................................................................................................
Transmit/receive Control Cable Installation (a4, A5, A7, And A9 Remote Control Heads)20................................................................................................................................................................
Figure 13 Alternator Whine Suppressor Isolation Detail21................................................................................................................................................................
Transmitter Control Power Lead (orange)22................................................................................................................................................................
Receiver Control Power Lead (green)23................................................................................................................................................................
Antenna Installation Procedure24................................................................................................................................................................
Antenna Connection25................................................................................................................................................................
Options And Accessories Installation For A4, A5, A7, And A9 Model Control Heads26................................................................................................................................................................
Emergency Pushbutton, Footswitch, Horn Relay, And Light Relay Installation27................................................................................................................................................................
Mdc Emergency Pushbutton Or Footswitch Installation28................................................................................................................................................................
Figure 20 Horn/light Wiring Diagram29................................................................................................................................................................
Connecting Cables30................................................................................................................................................................
Replacement Parts Ordering31................................................................................................................................................................

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