Motorola ASTRO XTS 5000 Detailed Service Manual
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Motorola ASTRO XTS 5000 Detailed Service Manual

Motorola ASTRO XTS 5000 Detailed Service Manual

700/800 mhz digital portable radios
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  • Page 1 ® ™ ASTRO 5000 700/800 MHz Digital Portable Radios Detailed Service Manual...
  • Page 3 ® XTS™ 5000 700/800 MHz Digital Portable Radio Detailed Service Manual 8000 West Sunrise Boulevard 68P81094C31-O Fort Lauderdale, Florida 33322...

  • Page 4: Foreword

    XTS™ 5000 digital portable radios, unless otherwise specified. This manual provides sufficient information to enable qualified service shop technicians to troubleshoot and repair an ASTRO XTS 5000 digital portable radio to the component level. For details on the operation of the radio or level 1 or 2 maintenance procedures, refer to the applicable manuals, which are available separately.

  • Page 5: Table Of Contents

    Model Numbering, Charts, and Specifications...........xi Portable Radio Model Numbering System ....................xi ASTRO XTS 5000 Model Chart......................... xii ASTRO XTS 5000 R (Ruggedized) Model Chart ..................xiii Specifications for 700/800 MHz Radios....................xiv User Safety, Training, and General Information........xv Compliance with RF Energy Exposure Standards ..................xv Operational Instructions and Training Guidelines................xv...
  • Page 6 Table of Contents Chapter 1 Introduction ................. 1-1 General ............................1-1 Notations Used in This Manual ...................... 1-1 Chapter 2 Overall Characteristics ............2-1 Introduction ............................ 2-1 2.1.1 Transceiver Board......................2-2 2.1.2 VOCON Board ........................2-2 2.1.3 Universal Flex Assembly....................2-3 2.1.4 Display Module .........................
  • Page 7 Table of Contents 4.2.3.1 Abacus III IC U500....................4-4 4.2.3.2 Second Local Oscillator ................... 4-5 4.2.3.3 Sampling Clock Oscillator..................4-5 4.2.4 Transmitter........................4-5 4.2.4.1 Power Distribution....................4-5 4.2.4.2 Driver Amplifier U102....................4-5 4.2.4.3 Power Amplifier Transistor Q107................4-5 4.2.4.4 Directional Coupler U101..................4-6 4.2.4.5 Antenna Switch......................
  • Page 8 Table of Contents Voltage Measurement and Signal Tracing..................5-2 Standard Bias Table ........................5-2 Power-Up Self-Check Errors......................5-3 Power-Up Self-Check Diagnostics and Repair (Not for Field Use)..........5-4 Chapter 6 Troubleshooting Charts ............. 6-1 Introduction ............................ 6-1 List of Troubleshooting Charts ....................... 6-1 Main Troubleshooting Flowchart....................
  • Page 9 Table of Contents Chapter 8 Troubleshooting Tables ............. 8-1 Board and IC Signals........................8-1 Chapter 9 Schematics, Board Layouts, and Parts Lists ....9-1 Introduction ........................... 9-1 List of Schematics and Board Overlays..................9-1 Transceiver (RF) Board ......................... 9-2 VOCON Board ..........................9-16 Appendix A Replacement Parts Ordering..........A-1 Basic Ordering Information........................A-1 Transceiver Board And Vocon Board Ordering Information ..............A-1...
  • Page 10 viii List of Figures List of Figures Figure 2-1. XTS 5000 Overall Block Diagram ..................2-1 Figure 2-2. Transceiver Block Diagram (Power and Control Omitted) ............ 2-2 Figure 2-3. VOCON Board Interconnections ................... 2-3 Figure 2-4. Receiver Block Diagram......................2-4 Figure 2-5.
  • Page 11 U501 GCAP II IC Pinouts....................8-19 Related Publications ASTRO XTS 5000 Digital Portable Radio Model I User Guide ..........68P81094C25 ASTRO XTS 5000 Digital Portable Radio Model II User Guide ..........68P81094C26 ASTRO XTS 5000 Digital Portable Radio Model III User Guide ..........68P81094C27 ASTRO XTS 5000 Digital Portable Radios Basic Service Manual..........
  • Page 12 List of Tables This Page Intentionally Left Blank April 15, 2002 68P81094C31-O...

  • Page 13: Model Numbering, Charts, And Specifications

    Portable Radio Model Numbering System Model Numbering, Charts, and Specifications Portable Radio Model Numbering System Typical Model Number: Position: 12 13 Position 1 - Type of Unit Positions 13 - 16 H = Hand-Held Portable SP Model Suffix Position 12 - Unique Model Variations Positions 2 &...

  • Page 14: Astro Xts 5000 Model Chart

    Portable Radio Model Numbering System ASTRO XTS 5000 Model Chart MODEL NUMBER DESCRIPTION H18UCC9PW5AN 700/800 MHz 1-3 Watts ASTRO XTS 5000 Model I H18UCF9PW6AN 700/800 MHz 1-3 Watts ASTRO XTS 5000 Model II H18UCH9PW7AN 700/800 MHz 1-3 Watts ASTRO XTS 5000 Model III...

  • Page 15: Astro Xts 5000 R (Ruggedized) Model Chart

    Ruggedized Yellow 700/800 MHz 1-3 Watts ASTRO XTS 5000 Model I H18UCF9PW6AN w/Q155GC Opt Ruggedized Yellow 700/800 MHz 1-3 Watts ASTRO XTS 5000 Model II H18UCH9PW7AN w/Q155GD Opt Ruggedized Yellow 700/800 MHz 1-3 Watts ASTRO XTS 5000 Model III ITEM NUMBER DESCRIPTION...

  • Page 16: Specifications For 700/800 Mhz Radios

    Specifications for 700/800 MHz Radios Specifications for 700/800 MHz Radios All specifications are per Telecommunications Industries Association TIA-603 unless otherwise noted. GENERAL RECEIVER TRANSMITTER FCC Designation: AZ489FT5806 Frequency Range: 764-870 MHz Frequency Range: 764-870 MHz Temperature Range: Operating: –30°C to +60°C Bandwidth: 106 MHz RF Power:...

  • Page 17: User Safety, Training, And General Information

    Compliance with RF Energy Exposure Standards Your Motorola two-way radio is designed and tested to comply with a number of national and international standards and guidelines (listed below) regarding human exposure to radio frequency electromagnetic energy.

  • Page 18: Transmit And Receive

    Use of non-Motorola-approved accessories may exceed FCC RF exposure guidelines. - If you do not use a Motorola approved body-worn accessory and are not using the radio in the intended use position in front of the face, then ensure the antenna and the radio are kept 2.5 cm (one inch) from the body when transmitting.

  • Page 19: Medical Devices

    Electromagnetic Interference/Compatibility xvii Medical Devices Pacemakers The Advanced Medical Technology Association (AdvaMed) recommends that a minimum separation of 6 inches (15 centimeters) be maintained between a handheld wireless radio and a pacemaker. These recommendations are consistent with those of the U.S. Food and Drug Administration. Persons with pacemakers should: - ALWAYS keep the radio more than 6 inches (15 centimeters) from their pacemaker when the radio is turned ON.

  • Page 20: Operational Warnings

    xviii Operational Warnings Operational Warnings For Vehicles With an Air Bag Do not place a portable radio in the area over an air bag or in the air bag deployment area. Air bags inflate with great force. If a portable radio is placed W A R N I N G in the air bag deployment area and the air bag inflates, the radio may be propelled with great force and cause serious injury to occupants of the vehicle.

  • Page 21: Intrinsically Safe Radio Information

    Do not disassemble an FMRC Approved Product unit in any way that exposes the internal electrical circuits of the unit. Radios must ship from the Motorola manufacturing facility with the hazardous atmosphere capability and FM Approval labeling. Radios will not be “upgraded” to this capability and labeled in the field.

  • Page 22: Repair Of Fmrc Approved Products

    FMRC Approved model. Do Not Substitute Options or Accessories The Motorola communications equipment certified by Factory Mutual is tested as a system and consists of the FM Approved portable, FM Approved battery, and FM Approved accessories or options, or both.

  • Page 23: Chapter 1 Introduction

    This detailed level of service (component level) is typical of some service centers, self-maintained customers, and distributors. This manual is to be used in conjunction with the ASTRO XTS 5000 Digital Portable Radios Basic Service Manual (Motorola part number 68P81094C28), which uses the pass/fail service approach to radio problems.
  • Page 24 Introduction: Notations Used in This Manual CAUTION indicates a potentially hazardous situation which, if not avoided, may result in equipment damage. C a u t i o n NOTE: An operational procedure, practice, or condition, etc., which is essential to emphasize. In this publication you will also find the use of the asterisk symbol (*) to indicate a negative or NOT logic true signal.

  • Page 25: Chapter 2 Overall Characteristics

    The three ASTRO XTS 5000 radio models (I, II, and III) are available in the 700/800 MHz (764 to 869 MHz) band.

  • Page 26: Vocon Board

    Overall Characteristics: Introduction 2.1.1 Transceiver Board Currently there is one transceiver (XCVR) board (Figure 2-2), covering the 700/800 MHz band. Other bands, VHF and UHF, will be offered later. The XCVR contains all radio frequency (RF) circuits for the radio's receiver, transmitter and frequency-generation unit. VCOBIC Ref.

  • Page 27: Universal Flex Assembly

    It contains an independent microcontroller and two custom ICs to perform digital, numerical, encryption algorithms. The encryption modules are designed to digitally encrypt and decrypt voice and ASTRO data in ASTRO XTS 5000 radios. This section covers the following secure modules: NTN4006A NTN9838A...

  • Page 28: Analog Mode Of Operation

    Overall Characteristics: Analog Mode of Operation NOTE: The encryption modules are NOT serviceable. The information contained in this section is only intended to help determine whether a problem is due to a encryption module or the radio itself. The encryption module uses a custom encryption IC and an encryption key variable to perform its encode/decode function.

  • Page 29: Transmitting

    Overall Characteristics: ASTRO Mode (Digital Mode) of Operation In the VOCON board, the Patriot digital signal processor (DSP) processes the synchronous serial interface (SSI) data from Abacus III. Voice data is sent to the coder/decoder (CODEC) for conversion to an analog signal. The CODEC delivers the signal to the audio power amplifier (PA), which drives the speaker.

  • Page 30: Receiver Back End

    Overall Characteristics: Transceiver Board Overview RXLO from FGU IF out RX RF in (to RX BE) (from antenna switch) Preselector LNA Preselector Mixer XTAL filter filter filter MAEPF-27410-O Figure 2-5. Receiver Front End 2.4.2 Receiver Back End The receiver back end (Figure 2-6) consists of the Abacus III (AD9874 IF digitizing subsystem) IC, and its associated circuitry.

  • Page 31: Frequency Generation Unit (Fgu)

    Overall Characteristics: VOCON Board Overview Antenna Power Driver Antenna Harmonic amplifier Directional amplifier switch filter coupler Modulated RF from FGU Forward and reverse power detectors Vd = m*sqrt(P) + b Summing amplifier PCIC RFIN MAEPF-27408-O Figure 2-7. Transmitter Block Diagram 2.4.4 Frequency Generation Unit (FGU) The frequency generation function is performed by three ICs and associated circuitry.

  • Page 32: Audio And Power

    Overall Characteristics: VOCON Board Overview 2.5.2 Audio and Power The audio and power section consists of the GCAP II IC, the 5 Vdc regulator, the audio pre-amplifier, the audio power amplifier, and the dual EEPOT. The GCAP II IC contains a CODEC, amplification, filtering, and multiplexing capability for receive and transmit audio, voltage regulators, an analog-to-digital converter (ADC), and a real-time clock (RTC).

  • Page 33: Chapter 3 Radio Power

    General In the ASTRO XTS 5000 radio, power (B+) is distributed to two boards (see Figure 3-1.): the transceiver (RF) board and the VOCON board. In the case of a secure model radio, B+ is also supplied to the encryption module.

  • Page 34: Dc Power Routing-Transceiver Board

    Radio Power: DC Power Routing—Transceiver Board Battery RF Board VOCON Board UNSW_B+ J1 BATT FB+ P1 P201 VCC5 5 Volts Fuse SW_B+ RAW B+ 5 Volts SW_B+ (control signal) 3.8 V (VSW1) GCAP II 7.5 Volts (Nominal) 3 Volts 3 Volts 1.875 Volts 3 Volts 3 Volts...

  • Page 35: Dc Power Routing-Vocon Board

    Radio Power: DC Power Routing—VOCON Board Table 3-3. Transceiver Voltage Regulators Ref. Output Description Desig. Name Signal Name LP2989 Regulated 5.0 Vdc LP3985 Regulated 3.0 Vdc digital LP3985 Regulated 3.0 Vdc analog for the RX FE DC Power Routing—VOCON Board See Figure 9-16.
  • Page 36 Radio Power: DC Power Routing—VOCON Board Table 3-4. VOCON Board DC Power Distribution (Continued) Supply Output Unprogrammed Supply Type Circuits Supplied Name Voltage Output Voltage VCC5 5Vdc Linear Regula- Smart battery circuitry Int. / ext. microphone bias Audio preamplifier Flipper IC Keypad / Display LEDs VSW1 3.8 Vdc...

  • Page 37: Chapter 4 Detailed Theory Of Operation

    Chapter 4 Detailed Theory of Operation Introduction This chapter provides a detailed circuit description of the ASTRO XTS 5000 transceiver and VOCON boards. When reading the theory of operation, refer to the appropriate schematic and component location diagrams located in the back of this manual. This detailed theory of operation can help isolate the problem to a particular component.

  • Page 38: Antenna Port J2

    Detailed Theory of Operation: Transceiver Board Table 4-2. VOCON Connector P1 XCVR XCVR VOCON Signal Type Description Signal UNSW_B+ FUB+ Fused B+ to VOCON UNSW_B+ FUB+ Fused B+ to VOCON LOCK_DET* LOCK status FGU lock detect TX_SSI_DATA TXTD TX SSI data SSI_CLK RXCK RX SSI clock...

  • Page 39: Serial Eeprom (U907)

    Detailed Theory of Operation: Transceiver Board 4.2.1.4 Serial EEPROM (U907) The serial, electrostatically erasable, programmable, read-only memory (EEPROM), U907, holds all of the transceiver tuning data. This allows transceivers to be tuned in the factory and installed in the field without retuning. 4.2.1.5 Power Conditioning Components Power conditioning components include zener diodes, capacitors, ferrite beads, a power inductor, and the fuse.

  • Page 40: If Filter Fl403

    Detailed Theory of Operation: Transceiver Board 4.2.2.4 IF Filter FL403 The XTS 5000 uses a leadless, surface-mount, 3-pole, 3rd overtone, quartz crystal filter, FL403, centered at 109.65 MHz. This narrow bandpass filter gives the radio its adjacent-channel and alternate-channel rejection performance. Components L409, L410, C416, and C417 are used to match the input.

  • Page 41: Second Local Oscillator

    Detailed Theory of Operation: Transceiver Board Input signal RXIF is the 109.65 MHz IF from crystal filter FL403 in the receiver front end. Components L547 and C542 match the input impedance from 50 ohms at RXIF to approximately 420 ohms in parallel with a 1 pF capacitance at the Abacus input IFIN. Formatted SSI data is output to the VOCON board on ports FS, DOUTA, and CLKOUT.

  • Page 42: Directional Coupler U101

    Detailed Theory of Operation: Transceiver Board 4.2.4.4 Directional Coupler U101 The directional coupler, U101, is a low-loss, dual-directional coupler with external terminating resistors. The forward- and reverse-coupled signals are used as feedback to the transmitter automatic level control (ALC) loop. 4.2.4.5 Antenna Switch See Figure 9-2.

  • Page 43: Power-Control Ic (Pcic) U104

    Detailed Theory of Operation: Transceiver Board 4.2.4.9 Power-Control IC (PCIC) U104 The PCIC, U104, contains all of the digital, and most of the analog, circuits needed to control the transmitter power amplifier. Host control is through a 3-wire, smart SPI interface. Pin descriptions are shown in Table 4-3.
  • Page 44 Detailed Theory of Operation: Transceiver Board 4.2.4.9.1 Power and Control Since U104 is powered from switched B+, it makes its own regulated 4.5 Vdc to power the internal logic. The supply input is V5EXT at pin 17, and the output is V45 at pin 16. RX at pin 23 is the control signal to the antenna switch control circuit.

  • Page 45: Frequency Generation Unit (Fgu)

    DSP and the analog modulation input of the FracN IC. 4.2.5.2 Fractional-N Frequency Synthesizer (FracN) IC U202 The FracN IC, U202, is a Motorola-proprietary, CMOS, fractional-N frequency synthesizer with built- in dual-port modulation. The XTS5000 radio uses a low-voltage version of the device, sometimes called LVFracN, for compatibility with the 3 V logic used throughout the radio.

  • Page 46: Loop Filter

    4-10 Detailed Theory of Operation: Transceiver Board 4.2.5.2.4 Voltage Multiplier and Superfilter Pins 12 (VMULT3) and 11 (VMULT4) together with diode arrays D201 and D202 and their associated capacitors form the voltage multiplier. The voltage multiplier generates 11.5 Vdc to supply the phase detector and charge-pump output stage at pin 47 (VCP).

  • Page 47: Vocon Board

    Detailed Theory of Operation : VOCON Board 4-11 VOCON Board This section provides a detailed circuit description of the ASTRO XTS 5000 VOCON board. 4.3.1 Interconnections The VOCON board interconnection diagram (see Figure 4-2) contains three functional blocks and five connector symbols.

  • Page 48: Universal Connector J101

    Detailed Theory of Operation 4-12 : VOCON Board 4.3.1.1 Universal Connector J101 This is a 40-pin connector that mates with the universal flex on the housing. A majority of the lines on the connector are for user interface: emergency & side buttons (pin 14), monitor button (pin 17), secure/clear switch (pin 23), frequency switch (pins 24, 25, 26, and 27), volume knob (pin 31), and the three-position switch (pin 34).

  • Page 49: Patriot Ic U401

    Detailed Theory of Operation : VOCON Board 4-13 4.3.2.1 Patriot IC U401 The Patriot IC U401 is a dual-core processor that contains both a 32-bit microcontroller unit (MCU) and a 16-bit digital signal processor (DSP) in one IC package. It comes in a 256-pin, ball-grid array (BGA) package with 1mm pitch solder balls.
  • Page 50 Detailed Theory of Operation 4-14 : VOCON Board One-Wire Interface The MCU has a One-Wire Interface module that is used to communicate to a One-Wire device like a USB cable or a smart battery using the Dallas Semiconductor protocol. This module has one external pin, OWIRE_DAT (Q504 pin 2), and it uses a 3-volt logic level.

  • Page 51: Static Ram (Sram) U403

    Detailed Theory of Operation : VOCON Board 4-15 General-Purpose Input/Output (GPIO) Module The General-Purpose Input/Output (GPIO) module is shared by the MCU and the DSP. This module consists of four 16-pin bi-directional ports and a 15 pin bi-directional port. While some of the pins on these ports are being used for other functions (UART, SPI, SAP, BBP, and Interrupt pins), the remaining pins can be programmed to become GPIOs that can be used by either the DSP or the MCU.

  • Page 52: Audio And Power Section

    Detailed Theory of Operation 4-16 : VOCON Board Several other active-low control pins determine what mode the Flash memory is in: the address valid pin ADV (ADV test point) that is connected to the EIM LBA_N signal, the output enable pin EN_OE that is connected to the EIM OE_N signal, and the write enable pin EN_WE that is connected to the EIM EB1_N signal.

  • Page 53: Gcap Ii Ic U501

    Detailed Theory of Operation : VOCON Board 4-17 4.3.3.1 GCAP II IC U501 The GCAP II IC is a mixed-signal (analog and digital) IC that provides control, audio, and voltage regulation functionality. It comes in a 100-pin, ball-grid array (BGA) package with 0.8 mm pitch solder balls.

  • Page 54: 5-Volt Regulator U505

    Detailed Theory of Operation 4-18 : VOCON Board 4.3.3.1.3 Audio Circuitry A 13-bit CODEC, internal to the GCAP II IC and programmable by the Patriot IC through the SPI bus, converts microphone audio into a digital bit stream for processing by the DSP. The CODEC also converts receive audio data that was processed by the DSP into an analog audio signal for amplification to a speaker.

  • Page 55: Eepot U509

    Detailed Theory of Operation : VOCON Board 4-19 The SELECT pin (U503 pin 6) is used to switch the audio path between internal and external speaker. The voltage on that pin is determined by the EXT_SPKR_SEL line from the Patriot IC and the Q505 transistor.
  • Page 56 Detailed Theory of Operation 4-20 : VOCON Board 4.3.4.1.2 USB Transceiver The USB transceiver, internal to the Flipper IC, is capable of transmitting and receiving serial data at a rate of 12 megabits per second. The differential USB data comes from the side connector, through the 22-ohm resistors R252 &...

  • Page 57: Esd Protection Circuitry

    Detailed Theory of Operation : VOCON Board 4-21 The output of the 32 kHz oscillator is an LI_CELL voltage (approximately 3 volts peak-to-peak), 32.768 kHz square wave on pin REF32_OUT. This clock goes to two destinations: the Patriot IC CKIL pin (32 kHz test point) as a square wave and the GCAP II IC XTAL1 pin (C306) as a sine wave. Components C306 and C313 are used to filter the square wave into a sine wave before the signal goes to the GCAP II IC.

  • Page 58: Universal Connector Interface Circuitry

    Detailed Theory of Operation 4-22 : VOCON Board 4.3.4.3 Universal Connector Interface Circuitry See Figure 9-12. VOCON Universal Connector Circuit on page 9-18 for schematic details of the following discussion. Some important components on the universal connector interface are two op-amps. The first op- amp, U201, is used as a comparator for the option-select 1 line.

  • Page 59: Display Module

    Detailed Theory of Operation : VOCON Board 4-23 Most of the signals are extensions of circuits described in other areas of this manual. However, there are two option select pins (see Table 4-5) used to configure special modes: Option Select 1 and Option Select 2.

  • Page 60: Controls And Control Top Flex

    Detailed Theory of Operation 4-24 : VOCON Board 4.3.4.6 Controls and Control Top Flex The housing assembly top controls include an on/off switch/volume control (S1), a 16-position mode- select switch with programmable two-position concentric switch (U1), a programmable three-position (A,B,C) toggle switch (S2), and a programmable top (orange) button (SW3). The side controls include three programmable, momentary, push button switches (side button 1 [SB2], side button 2 [SB3], and top side button [SB1]) and a PTT switch (SW2).

  • Page 61: System Clocks

    Detailed Theory of Operation : VOCON Board 4-25 S901 R901 TOP BUTTON ON/OFF To Controller J101 UNSW_B+ (33) +3V (35) TOGGLE SWITCH (TG1) TOGGLE (34) SWITCH VOL (31) EMERG (14) (MON) B+_SENSE (32) GREEN_LED (22) RED_LED (21) INT_PTT* (38) 150K RTA0 (27) RTA1 (24) Zone/Channel...

  • Page 62: Transmit Audio Path

    Detailed Theory of Operation 4-26 : VOCON Board 4.3.5.1 Transmit Audio Path Refer to Figure 4-7. The internal microphone audio enters the VOCON board through the universal connector J101 pin 36, and the internal microphone bias is set by circuitry that includes R531, R533, C519 and C521.

  • Page 63: Receive Audio Path

    Detailed Theory of Operation : VOCON Board 4-27 4.3.5.2 Receive Audio Path Refer to Figure 4-8. The receive audio data comes from the Abacus III IC U500 through the RF interface connector P201 pin 12 (RX_DATA) to the Patriot IC SRDB pin. The DSP decodes the data and sends it out through the CODEC_RX line to the GCAP II IC RX pin.

  • Page 64: Encryption Module

    Detailed Theory of Operation 4-28 : Encryption Module The radio power-down sequence begins by opening the radio On/Off switch, which removes the B+SENSE signal from the VOCON board. This does not immediately remove power because the GCAP II IC has control of Q502 through Vref, and U301 through WDI maintains the GCAP II IC in an active state.

  • Page 65: Chapter 5 Troubleshooting Procedures

    5. Use a static-safeguarded workstation, which can be accomplished through the use of an anti- static kit (Motorola part number 01-80386A82). This kit includes a wrist strap, two ground cords, a static-control table mat and a static-control floor mat. For additional information, refer to Service and Repair Note SRN-F1052, “Static Control Equipment for Servicing ESD Sensi-...

  • Page 66: Voltage Measurement And Signal Tracing

    Troubleshooting Procedures: Voltage Measurement and Signal Tracing Voltage Measurement and Signal Tracing It is always a good idea to check the battery voltage under load. This can be done by checking the OPT_B+_VPP pin at the side connector (pin 4). The battery voltage should remain at or above 7.0 Vdc.

  • Page 67: Power-Up Self-Check Errors

    Troubleshooting Procedures: Power-Up Self-Check Errors Power-Up Self-Check Errors Each time the radio is turned on, the MCU and DSP perform a series of internal diagnostics. These diagnostics consist of checking such programmable devices as the FLASH ROMs, the EEPROM, and SRAM devices. Problems detected during the power-up self-check routines are presented as error codes on the radio’s display.

  • Page 68: Power-Up Self-Check Diagnostics And Repair (Not For Field Use)

    Troubleshooting Procedures: Power-Up Self-Check Diagnostics and Repair (Not for Field Use) Power-Up Self-Check Diagnostics and Repair (Not for Field Use) Table 5-3 lists additional action items that can be used for the diagnosis and resolution of the error codes listed in Table 5-2.

  • Page 69: Chapter 6 Troubleshooting Charts

    Chapter 6 Troubleshooting Charts Introduction This section contains detailed troubleshooting flowcharts. These charts should be used as a guide in determining the problem areas. They are not a substitute for knowledge of circuit operation and astute troubleshooting techniques. It is advisable to refer to the related detailed circuit descriptions in the theory of operation sections prior to troubleshooting a radio.

  • Page 70: Main Troubleshooting Flowchart

    Troubleshooting Charts: Main Troubleshooting Flowchart Main Troubleshooting Flowchart Start Good Error Display power-up Message? Model? Self-Test? See Table 5-2: Go to Use RSS to Is there Power-up Self- TX RF display Error TX Power? Check Error flowchart Messages Codes Error Go to Is TX Messages on...

  • Page 71: Power-Up Failure

    Troubleshooting Charts: Power-Up Failure—Page 1 Power-Up Failure—Page 1 Radio Power-Up Failure Verify Standard Bias in Table 5-1 Isolate and Repair Problem Standard See DC Supply Bias OK? Failure flowchart Remove R528 Replace U301 (FLIPPER) and Fixed? Place R528 Place R528 Signal may appear for a very short period of time (50 ms).

  • Page 72: Power-Up Failure—Page 2

    Troubleshooting Charts: Power-Up Failure—Page 2 Power-Up Failure—Page 2 Signal may appear for a very short period of time (50ms). Use Probe an oscilloscope 16.8 MHz with trigger to Signal at R452 capture signal. Investigate Signal 16.8 MHz greater than Reference 600mV? Oscillator This signal may...

  • Page 73: Dc Supply Failure

    Troubleshooting Charts: DC Supply Failure—Page 1 DC Supply Failure—Page 1 NOTE: Since the failure of a critical voltage supply might cause the radio to automatically power down, supply voltages should first be probed with a multimeter. If all the board voltages are absent, then the voltage test point should be retested using a rising-edge-triggered oscilloscope.

  • Page 74: Dc Supply Failure

    Troubleshooting Charts: DC Supply Failure—Page 2 DC Supply Failure—Page 2 Check Voltage at B502 Check R502, Voltage Components C506, L502, = 3.77V+/-5%? and D503 Replace Check Voltage Problem at R501 Component Check R763, ReFLASH Voltage Components L703, C717, = 1.85V+/-5%? HOST C and CR700 Code...

  • Page 75: Dc Supply Failure—Page 3

    Troubleshooting Charts: DC Supply Failure—Page 3 DC Supply Failure—Page 3 Check Voltage at pin 5 of U505 Check R503, Replace Voltage Components D501, C509, Problem = 5.0V+/-5%? C510, and C508 Component Check Voltage Replace at TP5 U505 Check E6, C15, Replace Voltage Components...

  • Page 76: Display Failure

    Troubleshooting Charts: Display Failure—Page 1 Display Failure—Page 1 No Display Replace LCD Display Problem Resolved? Check DC on J301, pin 17 1.8<V<1.95V? Check integrity of B102 Replace B102 OK? B102 Verify VSW2 (1.85V) using DC Supply Failure flowchart MAEPF-27404-O April 15, 2002 68P81094C31-O...

  • Page 77: Display Failure

    Troubleshooting Charts: Display Failure—Page 2 6.10 Display Failure—Page 2 Check P_S* at J301, pin 4 Verify Signal Problem Path Integrity V = 1.85V? Resolved? and correct Check RESET at J301, pin 6 Verify Signal Problem V = 1.85V? Path Integrity Resolved? and correct Check...

  • Page 78: Display Failure—Page 3

    6-10 Troubleshooting Charts: Display Failure—Page 3 6.11 Display Failure—Page 3 Use an oscilloscope to check for Check Active a low-level (0V) pulse occurrence Low Status on during power-on initialization period. both RESET and CS Return radio to Low- Level Pulses service depot for Present? further analysis...

  • Page 79: Volume Set Error

    Troubleshooting Charts: Volume Set Error 6-11 6.12 Volume Set Error Volume Set Error Synopsis This chart relates to a failure in the volume Verify operation set knob. Basic failure modes are as follows: of volume knob 1) Failure in control top/PTT flex circuit using Button Test 2) Bad connection flowchart...

  • Page 80: Channel/Zone Select Error

    6-12 Troubleshooting Charts: Channel/Zone Select Error 6.13 Channel/Zone Select Error Channel Channel RTA3 RTA2 RTA1 RTA0 Select Error (R236) Probe Point (R241) (R239) (R235) Verify operation of zone knob using Button Test flowchart By studying the adjacent table against the channel numbers that have errors, one signal may be determined to be in error.

  • Page 81: Button Test

    Troubleshooting Charts: Button Test 6-13 6.14 Button Test Synopsis Button Test This chart relates to a failure in the button functions Basic Failure modes are as follows: 1) Failure in control top/PTT or keypad flex assembly 2) Bad Connection 3) Defective Switches or pads Place radio in Test Mode.

  • Page 82: Top/Side Button Test

    6-14 Troubleshooting Charts: Top/Side Button Test 6.15 Top/Side Button Test Top/Side Button Test Synopsis This chart relates to a failure in Verify operation reading the buttons: Side Button 1, of zone knob Side Button 2, or Side Button 3. using Button Test Basic failure modes are as follows: flowchart 1) Failure in controls flex circuit...

  • Page 83: Vco Tx/Rx Unlock

    Troubleshooting Charts: VCO TX/RX Unlock 6-15 6.16 VCO TX/RX Unlock VCO TX/RX unlock Sniff: Using an inductive field probe as an antenna to measure "Sniff" frequency. Place the probe frequency near approximately 1/2 inch away VCO shield from components to be sniffed. Check parts Frequency 5V at TP3?

  • Page 84: Vocon Tx Audio

    6-16 Troubleshooting Charts: VOCON TX Audio—Page 1 6.17 VOCON TX Audio—Page 1 Radio has no Transmitter Deviation (VOCON Evaluation) Inspect Microphone and Flex Connector Repair connections Connections and/or replace flex and microphone Connect an RLN4460A audio test box (or equivalent) to the radio side connector Inject a 200 mV...

  • Page 85: Vocon Tx Audio—Page 2

    Troubleshooting Charts: VOCON TX Audio—Page 2 6-17 6.18 VOCON TX Audio—Page 2 Use an oscilloscope to check the SSI audio signals from the GCAP (U703). The following test points are used for data collection: DCLK: 520 kHz Square Wave Clock TX: Audio Data Words SYNC: 8 kHz Frame Sync Pulse Clock...

  • Page 86: Vocon Rx Audio—Page 1

    6-18 Troubleshooting Charts: VOCON RX Audio—Page 1 6.19 VOCON RX Audio—Page 1 Bad SINAD Bad 20db Quieting No Recovered Audio A standard input is an RF signal with a 1 kHz Inject Standard tone modulated with 3 kHz Input into Antenna deviation in a 25 kHz channel.

  • Page 87: Vocon Rx Audio—Page 2

    Troubleshooting Charts: VOCON RX Audio—Page 2 6-19 6.20 VOCON RX Audio—Page 2 Check Preamp Output Signal at C530 Make sure that you look at Check Preamp all solder contacts. Check U502 and its Signal resistors and capacitors associated Present? associated with this check. If components all look fine, then replace U502.
  • Page 88 6-20 Troubleshooting Charts: RX RF—Page 1 6.21 RX RF—Page 1 Poor RX sensitivity or no RX audio 3 kHz FM deviation, Inject a standard FM test 1 kHz rate, -47 dBm signal into the antenna port. Use a spectrum analyzer and high-impedance RF probe to measure the IF signal at TP12 on side 2...

  • Page 89: Vocon Rx Audio

    Troubleshooting Charts: RX RF—Page 2 6-21 6.22 RX RF—Page 2 2nd LO, 107.4 MHz, about 356 mVpp Measure 2nd LO at TP501 on PCB side 2 2nd LO DC bias Check Voltage Signal Q501-c Present? = 5.0 Vdc? Regulator U1 Fvco = Replace Q501-e...

  • Page 90: Rx Rf

    6-22 Troubleshooting Charts: RX RF—Page 3 6.23 RX RF—Page 3 TP502 TP501 (Vdc) (MHz) Fvco Measure 0.00 101.0 Measure RF levels control voltage 1.85 107.4 at TP13 and D401-3. at TP502 4.30 111.9 Compute filter loss 5.00 113.0 Fvco TP502 <...
  • Page 91 Troubleshooting Charts: RX RF—Page 4 6-23 6.24 RX RF—Page 4 Clock synthesizer Measure Remove SH501, tuning voltage inspect (Vt) at R512 components Visual Fbit Repair Vt = 0 Vdc? examination < 1.2 MHz? defects Replace Abacus Vt= 3 Vdc? U500 Remove SH501, inspect clock oscillator circuit at...

  • Page 92: Rx Rf

    6-24 Troubleshooting Charts: RX RF—Page 5 6.25 RX RF—Page 5 Inspect L409, Measure DC C416 on side 2. voltages dac1 at Remove SH403. TP401, dac2 at Inspect components TP405 Visual Repair Replace dac1 = dac2? inspection defects PCIC Tune the radio across Replace several channels.

  • Page 93: Tx Rf

    Troubleshooting Charts: TX RF—Page 1 6-25 6.26 TX RF—Page 1 No or low TX power Level about Place XCVR and VOCON +26 dBm? into the analysis fixture. Key up. Measure RF power at antenna port Measure RF level Check coaxial at C103 connector and power OK?

  • Page 94: Tx Rf

    6-26 Troubleshooting Charts: TX RF—Page 2 6.27 TX RF—Page 2 Measure Measure RAWB+ RAWB+ at Q107-drain at U102-6 RAWB+ RAWB+ Check Check about about continuity continuity 7.2 Vdc? 7.2 Vdc? Measure Measure gate bias TX7V at at L108 U102-14 TX7V V.gate Check about...

  • Page 95: Tx Rf—Page 3

    Troubleshooting Charts: TX RF—Page 3 6-27 6.28 TX RF—Page 3 Vgate at TP111 TX7V is low. is low (< 4 Vdc) Measure TXINH Measure INT at P1-19, Q101-b at TP104 Bad control Replace TXINH signal from INT > 5 Vdc? Q108 <...

  • Page 96: Keyload Failure

    6-28 Troubleshooting Charts: Keyload Failure 6.29 Keyload Failure Keyload Failure Verify the use of the correct secure kit and key loader: XTS 5000 UCM Kits NTN4006A - DES, DES-XL, DES-OFB NTN9838A - DVI-XL NTN9839A - DVP-XL NTN9837A - DES, DES-XL, DES-OFB with DVP-XL Synopsis Use KVL - 3000 or later model Keyloader.

  • Page 97: Secure Hardware Failure

    Troubleshooting Charts: Secure Hardware Failure 6-29 6.30 Secure Hardware Failure Fail 09/10 or 09/90 Secure Hardware Failure Synopsis This failure relates only to secure-equipped Verify connections radios and indicates a power-up self-test failure to secure module for the secure module. More specifically this failure indicates a failure in communications through J701 between the DSP and secure module.
  • Page 98 6-30 Troubleshooting Charts: Secure Hardware Failure This Page Intentionally Left Blank April 15, 2002 68P81094C31-O...

  • Page 99: Chapter 7 Troubleshooting Waveforms

    Chapter 7 Troubleshooting Waveforms Introduction This section contains images of waveforms that might be useful in verifying operation of certain parts of the circuitry. These waveforms are for reference only; the actual data depicted will vary depending upon operating conditions. List of Waveforms Table 7-1 lists each waveform and the page on which the waveform can be found.

  • Page 100: 13 Mhz Clock

    Troubleshooting Waveforms: 13 MHz Clock 13 MHz Clock 13 MHz clock from U301 to U501. Trace 1: Trace recorded at C303. April 15, 2002 68P81094C31-O...

  • Page 101: Mhz Buffer Input And Output

    Troubleshooting Waveforms: 16.8 MHz Buffer Input and Output 16.8 MHz Buffer Input and Output Trace 1: Buffer input at R452. Trace 2: Buffer output at C452. 68P81094C31-O April 15, 2002...

  • Page 102: Khz Clock Outputs

    Troubleshooting Waveforms: 32.768 kHz Clock Outputs 32.768 kHz Clock Outputs Trace 1: Output at C313 (to real-time clock of GCAP II IC). Trace 2: Output at U302, pin 2 (to Patriot IC CKIL input). April 15, 2002 68P81094C31-O...

  • Page 103: Spi B Data

    Troubleshooting Waveforms: SPI B Data SPI B Data Trace 1: GCAP II IC chip enable at R538 (Note active high). Trace 2: SPI data clock at Test Point SCKB. Trace 3: SPI data to GCAP II IC at Test Point MOSIB. 68P81094C31-O April 15, 2002...

  • Page 104: Rx Serial Audio Port (Sap)

    Troubleshooting Waveforms: RX Serial Audio Port (SAP) RX Serial Audio Port (SAP) Trace 1: 8 kHz frame sync at R406 (each word is 13 bits after failing edge of FSYNC). Trace 2: SAP data at R403 (audio data from GCAP II IC CODEC to Patriot IC DSP). Note: Transmit is identical, except data acquired at R402.

  • Page 105: Receive Baseband Interface Port (Rx Bbp)

    Troubleshooting Waveforms: Receive Baseband Interface Port (RX BBP) Receive Baseband Interface Port (RX BBP) Trace 1: BBP RX frame sync signal at R123. Trace 2: BBP RX clock signal at R124. Trace 3: BBP RX data signal at R121. 68P81094C31-O April 15, 2002...

  • Page 106: Transmit Baseband Interface Port (Tx Bbp)

    Troubleshooting Waveforms: Transmit Baseband Interface Port (TX BBP) Transmit Baseband Interface Port (TX BBP) Trace 1: BBP TX frame sync signal at R119. Trace 2: BBP TX clock signal at R125. Trace 3: BBP TX data signal at R127. April 15, 2002 68P81094C31-O...

  • Page 107: Chapter 8 Troubleshooting Tables

    Troubleshooting Tables: Board and IC Signals Chapter 8 Troubleshooting Tables Board and IC Signals Due to the nature of the schematic-generating program, signal names might be different when they are not directly connected to the same point. The following tables provide a cross-reference to the various pinouts for these signals.

  • Page 108: Table 8-2. J107 Vocon Board To Keypad Module

    Troubleshooting Tables: Board and IC Signals Table 8-1. J101 VOCON Board to Controls Flex Assembly (Continued) Side J101 Description To/From Connector Pin No. Number UC_RTA1 R236 UC_RTA3 R241 UC_RTA2 R239 UC_RTA0 R235 DGND28 TP202 DGND29 TP202 DGND30 TP202 UC_VOLUME R232 BSENS_1 L202 UNSWB+1...

  • Page 109: Table 8-3. J701 Vocon Board To Encryption Module

    Troubleshooting Tables: Board and IC Signals Table 8-2. J107 VOCON Board to Keypad Module (Continued) Accessible J107Pin Description To/From VOCON? KP_GND GROUND KP_GND GROUND KP_GND GROUND KP_ROW0 C131 KP_ROW1 C130 KP_ROW2 C129 KP_ROW3 C128 KP_ROW4 C127 KP_ROW5 C126 KP_ROW6 C125 KP_GND GROUND KP_GND...
  • Page 110 Troubleshooting Tables: Board and IC Signals Table 8-3. J701 VOCON Board to Encryption Module (Continued) J701Pin Accessible Description To/From on VOCON? No Connect BOOT_ENC R417 Yes* TAMPER GROUND SSI_DO_CODEC_ENC R403 SSI_DI_CODEC_ENC R402 RTA0_ENC R246 RTA1_ENC R247 RTA3_ENC R251 RTA2_ENC R250 TG2_ENC R234 LHDATA_BDMDATA_KEYFAIL...

  • Page 111: Table 8-4. U402 Flash Pinouts

    Troubleshooting Tables: Board and IC Signals Table 8-4. U402 FLASH Pinouts U402 Accessible Description To/From Comment Pin No. on Vocon? B_CLK B_CLK Active Low EN_OE EN_WE WRITE PROTECT RESET D401, pin 2 3.0 V ADDRESS 1 ADDRESS 2 ADDRESS 3 ADDRESS 4 ADDRESS 5 ADDRESS 6...

  • Page 112: Table 8-5. U403 Sram Pinouts

    Troubleshooting Tables: Board and IC Signals Table 8-4. U402 FLASH Pinouts (Continued) U402 Accessible Description To/From Comment Pin No. on Vocon? GROUND GROUND GROUND DATA 15 DATA 14 DATA 13 DATA 12 DATA 11 DATA 10 DATA 9 DATA 8 DATA 7 R435 DATA 6...
  • Page 113 Troubleshooting Tables: Board and IC Signals Table 8-5. U403 SRAM Pinouts (Continued) U403 Accessible Description To/From Comment Pin No. on Vocon? CS2 (TP) Active Low C411 Active Low ADDRESS 1 ADDRESS 2 ADDRESS 3 ADDRESS 4 ADDRESS 5 ADDRESS 6 ADDRESS 7 ADDRESS 8 ADDRESS 9...

  • Page 114: Table 8-6. U401 Patriot Mcu/Dsp Ic Pinouts

    Troubleshooting Tables: Board and IC Signals Table 8-5. U403 SRAM Pinouts (Continued) U403 Accessible Description To/From Comment Pin No. on Vocon? DATA 11 DATA 10 DATA 9 DATA 8 DATA 7 R435 DATA 6 R434 DATA 5 R433 DATA 4 R432 DATA 3 R431...
  • Page 115 Troubleshooting Tables: Board and IC Signals Table 8-6. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Accessible Description To/From Comment Pin No. on Vocon? KP_ROW1 C130 KP_ROW2 C129 KP_ROW3 C128 KP_ROW4 C127 KP_ROW5 C126 KP_ROW6 C125 SPARE1_ENC J701, pin 32 KP_COL0 C134 KP_COL1 C133...
  • Page 116 8-10 Troubleshooting Tables: Board and IC Signals Table 8-6. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Accessible Description To/From Comment Pin No. on Vocon? VSW2 E401 1.875 V VSW2 E401 1.875 V E402 3.0 V E402 3.0 V E402 3.0 V E402 3.0 V E402...
  • Page 117 Troubleshooting Tables: Board and IC Signals 8-11 Table 8-6. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Accessible Description To/From Comment Pin No. on Vocon? CODEC_FSYNC R406 8 kHz Pulse SPI_MISOA MISOA SPI A Data In SPI_MISOB MISOB SPI B Data In NOT USED NOT USED EEPROM_SEL*...
  • Page 118 8-12 Troubleshooting Tables: Board and IC Signals Table 8-6. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Accessible Description To/From Comment Pin No. on Vocon? GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND...
  • Page 119 Troubleshooting Tables: Board and IC Signals 8-13 Table 8-6. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Accessible Description To/From Comment Pin No. on Vocon? DISPLAY_R_W* D403, pin 3 W = 0 V NOT USED UCTS1_USB_SPEED* UTXD1_USB_VPO USB_VMO USB_TX_EN 8 KHZ_INT 8 kHz Pulse R406 BL_EN...
  • Page 120 8-14 Troubleshooting Tables: Board and IC Signals Table 8-6. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Accessible Description To/From Comment Pin No. on Vocon? NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED...
  • Page 121 Troubleshooting Tables: Board and IC Signals 8-15 Table 8-6. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Accessible Description To/From Comment Pin No. on Vocon? NOT USED NOT USED NOT USED Disabled NOT USED NOT USED ADDRESS 0 J101, pin 7 ADDRESS 1 ADDRESS 2 ADDRESS 3...
  • Page 122 8-16 Troubleshooting Tables: Board and IC Signals Table 8-6. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Accessible Description To/From Comment Pin No. on Vocon? DATA 14 DATA 13 DATA 12 DATA 11 DATA 10 DATA 9 DATA 8 DATA 7 R435 DATA 6 R434...

  • Page 123: Table 8-7. U301 Flipper Ic Pinouts

    Troubleshooting Tables: Board and IC Signals 8-17 Table 8-7. U301 Flipper IC Pinouts U301 Accessible Description To/From Comment Pin No. on Vocon? RXDIN_ENC_3V R308 RS232_DI_USB- R329 RS232 Data In / USB Data - RS232_DO_USB+ R328 RS232 Data Out / USB Data + D303 pin 3 Request to...
  • Page 124 8-18 Troubleshooting Tables: Board and IC Signals Table 8-7. U301 Flipper IC Pinouts (Continued) U301 Accessible Description To/From Comment Pin No. on Vocon? BSY_OUT_CTS UCTS1_USB_SPEED* USB_TXENAB UTXD1_USP_VPO USB_VMO URTS1_XRXD USB_VPI URXD1_USB_VMI USB_SUSP SCKB SCKB SPI B Clock SPI_MOSIB MOSIB SPI Data Write to Flipper IC SPI_MISOB MISOA...

  • Page 125: Table 8-8. U501 Gcap Ii Ic Pinouts

    Troubleshooting Tables: Board and IC Signals 8-19 Table 8-7. U301 Flipper IC Pinouts (Continued) U301 Accessible Description To/From Comment Pin No. on Vocon? USB_DIS R310 USB_DPLUS R311 USB Data Plus USB_DMINUS R314 USB Data Minus SB96D_BDO_KF_3V SB96D_BDO_3V D308 pin 3 RTS_FILLSEN_3V CTS_FILLREQ_3V R309...
  • Page 126 8-20 Troubleshooting Tables: Board and IC Signals Table 8-8. U501 GCAP II IC Pinouts (Continued) U501 Accessible Description To/From Comment Pin No. on Vocon? C552 Unused Voltage Regulator VIN1 B503 7.5V LI_CELL C553 3.0-3.3V CHARGE XTAL1 G_32K 32.768 kHz Square Wave XTAL2 PRSC2 C514...
  • Page 127 Troubleshooting Tables: Board and IC Signals 8-21 Table 8-8. U501 GCAP II IC Pinouts (Continued) U501 Accessible Description To/From Comment Pin No. on Vocon? PGM2 C529 At Battery Voltage Level PGM1 C529 At Battery Voltage Level AGND1 GROUND C528 3.0V PA_DRV PA_SENSE PGM0...
  • Page 128 8-22 Troubleshooting Tables: Board and IC Signals Table 8-8. U501 GCAP II IC Pinouts (Continued) U501 Accessible Description To/From Comment Pin No. on Vocon? LS2IN_TG2A GROUND LS2OUT_TG2 ALRT_GND ALRT_OUT ALRT_VCC SIMI_O AD5_VOLUME R526 0-2.5V AGND3 GROUND DWN_OUT DWN_IN GROUND CMP_OUT DSC_INN GROUND DSC_INP...
  • Page 129 Troubleshooting Tables: Board and IC Signals 8-23 Table 8-8. U501 GCAP II IC Pinouts (Continued) U501 Accessible Description To/From Comment Pin No. on Vocon? CODEC_FSYNC R406 8 kHz Frame Sync AGND4 GROUND AGND2 GROUND MICIN_POS C534 MICIN_NEG Virtual Ground 68P81094C31-O April 15, 2002...
  • Page 130 8-24 Troubleshooting Tables: Board and IC Signals This Page Intentionally Left Blank April 15, 2002 68P81094C31-O...

  • Page 131: Chapter 9 Schematics, Board Layouts, And Parts Lists

    Schematics, Board Layouts, and Parts Lists: Introduction Chapter 9 Schematics, Board Layouts, and Parts Lists Introduction List of Schematics and Board Overlays This chapter contains the schematics, board layouts, and parts lists for the XTS 5000 radio. Use them in conjunction with the theory of operation and the troubleshooting procedures, Schematic/Board Layout Page No.

  • Page 132: Transceiver (Rf) Board

    Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board Transceiver (RF) Board RAWB+ 88Z01 59.71nH 10uF MBRM140T3 10uF 10uF 7.5pF 7.5pF R704 MBRM140T3 100K LP3985 F901 LP3985IM5X-3.0 LP2989 BK1005HM471 LP2989IMMX-5.0 BATT J1-1 INPUT OUTPUT VOUT VOUT 100nH 100nH BSTAT J1-2 SHUTDOWN BYPASS BYPASS...

  • Page 133: Figure 9-2. Antenna Switch And Harmonic Filter Circuits

    Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board C919 .01uF R701 replace,2460591A69 replace,2460591A69 replace,2460591A69 C705 *L703* *L704* *L705* 8.72 nH 8.72 nH 8.72 nH 33pF 20 mil (0.020")x 120 mil (0.120") transmission lines (4 places). C702 33pF C707 C708 C709 C710 C711...

  • Page 134: Figure 9-3. Receiver Front End Circuit

    Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board C401 R401 33pF 2.7K R403 TP402 C403 C405 R404 6.8K 39pF C402 L400 L402 L401 L403 4.7K R406 4.7uF 100nH 68nH 8.2nH 12.0nH C407 R405 TP401 C404 FL401 491134 FL402 150pF TP405 491134 C406...

  • Page 135: Figure 9-4. Receiver Back End Circuit

    Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board C550 R501 0.1uF 100K Q501 MMBTA13 C553 C552 R503 R502 1000pF .033uF TP502 15pF C555 R504 R505 C551 Q502 BFQ67W TP501 C554 15pF 7.5K C556 C558 R507 47pF .01uF L550 C512 R506 C560 D550...

  • Page 136: Figure 9-5. Transmitter And Automatic Level Control Circuits

    Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board TXB+ RAWB+ RAWB+ MUN5111T1 TXB+ TXB+ TX7V Q101 TXB+ TX5V R101 Q104 Q106 100K TXINH Q102 MUN5111T1 MGSF1P02LT1 MUN5212T1 Q103 MGSF1P02LT1 RAWB+ E101 88Z01 R118 R119 C136 L101 C101 U101 59.71nH 0.1uF 33C24 TX7V...

  • Page 137: Figure 9-6. Frequency Generation Unit (Synthesizer) Circuit—1 Of 2

    Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board C201 Vdd3 D201 0.1uF L201 C202 2.2uH 0.1uF C203 C204 Vdd5 2.2uF 0.1uF C205 L202 C206 C207 Vdd3 2.2uH 0.1uF 10uF 0.1uF Vdd5 Vdd3 L203 D202 C208 Vdd3 C209 2.2uH Vdd5 L204 Vdd3 0.1uF...

  • Page 138: Figure 9-7. Frequency Generation Unit (Vco) Circuit—2 Of 2

    Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board C301 2.7pF R301 C302 C303 L301 Q301 VCTRL NE68519 220nH 2.0pF C304 Y301 1.8pF C305 D301 C306 R302 RESONATOR 39pF 1SV279 1.3pF 940MHz R303 R304 C307 2.0pF L302 220nH AUX1 C308 39pF Q302 MMBF170...

  • Page 139: Figure 9-8. Transceiver (Rf) Board Layout—Side 1

    Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board SH501 R105 E105 C556 R111 Q108 C121 C555 Q502 C125 R504 R505 E503 R115 C512 C558 U104 C123 R131 C522 R507 C138 TP119 C543 Q101 R132 R128 R510 C526 C127 R127 U500 R126 C528...

  • Page 140: Figure 9-9. Transceiver (Rf) Board Layout—Side 2

    9-10 Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board C115 R506 C106 R503 C108 C109 C114 L104 C553 U102 Q107 C552 C111 L109 R502 L105 C542 C113 C116 L502 C112 L501 C102 C501 E506 C525 E101 E507 C530 E508 C533 U101 SH403...
  • Page 141 Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board 9-11 Transceiver (RF) Board Parts List Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description 2113743T19 CAP 10UF 16V CER 3225 2113743S01 CAP CER CHIP 1.0 UF 10% C224 2109720D14 CAP CER CHIP LOW DIST...
  • Page 142 9-12 Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description C308 2113743N40 CAP CHIP 39.0 PF 5% COG 2113932E20 CAP CER CHP .10 UF 10% C515 2113743L41 CAP CHIP 10000 PF 10%...
  • Page 143 Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board 9-13 Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description C712 2113930F11 CAP 2.2 PF 50V +/-.25 PF 2405688Z01 INDUCTOR FERRITE 3905643V01 CONTACT ANT GRD L307...
  • Page 144 9-14 Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description L708 2460591A69 COIL AIR WOUND INDUC R101 0662057N23 RES. CHIP 100K 5% 20X40 R216 0662057M96 RES.
  • Page 145 Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board 9-15 Ref. Des. Part Number Description Ref. Des. Part Number Description 5185353D13 IC MINI SO-8 HI NOTPLACED PRECISION REG 5V NOTPLACED U101 5185633C24 MODULE DIRECT NOTPLACED COUPLER NOTPLACED U102 5185130C65 IC VHF/UHF/800 MHZ NOTPLACED LDMOS DRIVER NOTPLACED...

  • Page 146: Vocon Board

    9-16 Schematics, Board Layouts, and Parts Lists: VOCON Board VOCON Board UNSW_B+_ENC J701-36 UNSW_B+ SW_B+ SW_B+_ENC J701-7 C102 C101 GND_ENC J701-33 TAMPER J701-16 J701-8 470pF 470pF J701-11 J701-14 RS232_DTR_IN_ENC J701-9 RS232_RI_OUT_ENC J701-10 CONT_3VDC_OUT_ENC J701-12 RS232_DCD_ENC J701-13 WAKEUP J701-26 RESET_ENC J701-30 BOOT_ENC J701-15 SPARE1_ENC...

  • Page 147: Figure 9-11. Vocon Board Overall Schematic-2 Of 2

    Schematics, Board Layouts, and Parts Lists: VOCON Board 9-17 VCC5 C104 VCC5 VCC5 VCC5 VCC5 KP_5V1 J107-7 KP_GND1 J107-4 470pF R101 R102 R103 R104 KP_5V2 J107-8 KP_GND2 J107-5 KP_COLUMN0 J107-1 KP_GND3 J107-9 KP_COLUMN1 J107-2 KP_GND4 J107-10 KP_GND5 LED1A_1 KP_COLUMN2 J107-3 J107-11 J301-20 KP_ROW0...

  • Page 148: Figure 9-12. Vocon Universal Connector Circuit

    9-18 Schematics, Board Layouts, and Parts Lists: VOCON Board TP202 E202 R201 RED_LED_ENC Not placed DGND03 SECURE MODULE R202 DGND15 GREEN_LED_ENC Not placed DGND16 DGND18 UNSW_B+ B+SENSE CONTROL TOP FLEX DGND19 TP201 E201 DGND28 POWER & GROUND LED CONTROL Q201 DGND29 L201 R203...

  • Page 149: Figure 9-13. Vocon Flipper Circuit

    Schematics, Board Layouts, and Parts Lists: VOCON Board 9-19 C301 0.1uF C302 .01uF R302 R301 13MHZ C303 33pF SSI_CLK_ENC C307 16_8MHZ CODEC_DCLK 0.1uF SSI_FS_ENC VCC5 VCC5 CODEC_FSYNC VCC5 VCC5 VCC5 UCM_SS D302 VCC5 LI_CELL D303 R303 R304 R305 D304 D305 470K 470K C304...

  • Page 150: Figure 9-14. Vocon Controller And Memory Circuits—1 Of 2

    9-20 Schematics, Board Layouts, and Parts Lists: VOCON Board PRIMARY UART URXD1_PA15_USB_VMIN_IRXD_TDI *U401-4* SIM_D0TX_PB4 EEPOT_CS* URXD1_USB_VMI UTXD1_PA14_USB_VPOUT_ITXD_TDO UTXD1_USB_VPO H10 SIM_D0RX_PB5 URTS1_PA13_USBXRXD_IPWR_RESET_N_IC2A UCTS1_PA12_USB_FSEN_IOE_MCU_DE EEPOT_INC* SIM_INT_TOUT_BLOCK SIM_RST0_PB6 EEPOT_U_D* URTS1_XRXD UCTS1_USB_SPEED* J14 SIM_PD0_PB9 DTRA_PA11_IPMODEIN_TMS_INT7_SRDA PATRIOT DSRA_PA10_IRE_TRST_INT6_STDA EXT_SPKR_SEL SIM_CLK0_PB7 EEPOT_CS_EXT* ADTRIG DCDA_PA8_IPMODEOTHI_DSP_DE_SC2A SIM_SVEN0_PB8 AUDIO_MODE_SEL SIM_D1RX_PB11 RIA_PA9_USBSUSP_IPMODEOTLO_TCK_DSCEN_SCKA AUDIO_PA_EN...
  • Page 151 Schematics, Board Layouts, and Parts Lists: VOCON Board 9-21 VSW2 VSW2 C453 D403 R458 100pF R460 DISPLAY_R_W* VSW2 Not placed D401 R401 R459 4.7K OPTB+_VPP CS3* VSW2 VSW2 VSW2 EIM_A0 R413 C409 0.1uF C411 B_CLK 0.1uF D402 To Sheet 1 C401 0.1uF C429...

  • Page 152: Figure 9-16. Vocon Audio And Dc Circuits

    9-22 Schematics, Board Layouts, and Parts Lists: VOCON Board C539 VCC5 BATTERY INTERFACE CIRCUITRY U510 VSW2 VSW1 VSW2: 1.875 V VSW1: 3.8 V POWER SWITCH 0.1uF TC7S66F GCAP_B+ VCC5 D505 G_32K R580 VCC5 R572 R501 R502 BAT_STATUS SINE32K VCC5 Not placed D501 CNTL D507...

  • Page 153: Figure 9-17. Vocon Board Layout—Side 1

    Schematics, Board Layouts, and Parts Lists: VOCON Board 9-23 C536 C524 M101 C131 C532 U509 C134 C130 C547 C519 C129 C133 C543 C535 U503 C128 C132 J107 C537 R566 C127 C124 R533 C126 C522 C104 C528 C545 C125 C544 R556 R549 U511 C529...

  • Page 154: Figure 9-18. Vocon Board Layout—Side 2

    9-24 Schematics, Board Layouts, and Parts Lists: VOCON Board R210 R212 R209 R207 J701 D202 Q201 Q202 R135 R142 R203 C138 C114 R202 R206 C118 R133 D502 VR202 R204 C101 R201 R125 C106 R128 R417 C119 C109 C551 C204 C115 L501 R124 C111...
  • Page 155 Schematics, Board Layouts, and Parts Lists: VOCON Board 9-25 VOCON Board Parts List Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description C124 2113743L09 CAP CHIP 470 PF 10% X7R C223 2113743L09 CAP CHIP 470 PF 10% X7R C317 2113743M24 CAP CHIP 100000 PF +80-...
  • Page 156 9-26 Schematics, Board Layouts, and Parts Lists: VOCON Board Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description C440 2113743N50 CAP CHIP 100 PF 5% COG C527 2113743L01 CAP CHIP 220 PF 10% X7R C553 2113743L41 CAP CHIP 10000 PF 10%...
  • Page 157 Schematics, Board Layouts, and Parts Lists: VOCON Board 9-27 Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description E401 2480574F01 IND FERRITE CHIP 60OHM MISOA NOTPLACED R107 0662057M98 RES. CHIP 10K 5% 20X40 R217 0662057M64 RES.
  • Page 158 9-28 Schematics, Board Layouts, and Parts Lists: VOCON Board Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description Ref. Des. Part Number Description R303 0662057M98 RES. CHIP 10K 5% 20X40 R432 0662057M64 RES. CHIP 390 5% 20X40 R539 0662057M01 RES.
  • Page 159 Schematics, Board Layouts, and Parts Lists: VOCON Board 9-29 Ref. Des. Part Number Description U405 5109522E53 IC SNGL BUF NC7S125P5X SC70 U406 5105492X03 IC SNG HI SPD L-MOS NOT GATE U501 5109879E58 IC 4.3 GCAPII SN104616DGGMR BG U502 5109731C15 IC OP AMP SNGL OPA237 SOT23 U503 5102463J44...
  • Page 160 9-30 Schematics, Board Layouts, and Parts Lists: VOCON Board This Page Intentionally Left Blank April 15, 2002 68P81094C31-O...

  • Page 161: Appendix A Replacement Parts Ordering

    Send written orders to the following addresses: Replacement Parts/ Federal Government Orders: International Orders: Test Equipment/Manuals/ Crystal Service Items: Motorola Inc. Motorola Inc. Motorola Inc. United States and Canada United States and Canada United States and Canada Accessories and Aftermarket...

  • Page 162: Fax Orders

    Replacement Parts Ordering Fax Orders United States and Canada Accessories and Aftermarket Division: 847-538-8198 (Domestic) 847-576-3023 (International) Parts Identification: 847-538-8194 Federal Government Orders: 410-712-4991(Domestic) 410-712-6200 (International) Parts Customer Service United States and Canada Accessories and Aftermarket Division: 1-800-422-4210 Parts Identification: 847-538-0021 Product Customer Service Customer Response Center...

  • Page 163: Glossary

    Glossary Glossary Term Definition Analog-to-Digital conversion. Conversion of an instantaneous dc voltage level to a corresponding digital value. See also D/A. ABACUS IC Custom integrated circuit providing a digital receiver intermediate frequency (IF) backend. Analog-to-Digital Converter. A device that converts analog signals into digital data.
  • Page 164 FLASHcodes are only applicable for radios which are upgradeable through the FLASHport process. FLASHport A Motorola term that describes the ability of a radio to change memory. Every FLASHport radio contains a FLASHport EEPROM memory chip that can be software written and rewritten to, again and again.
  • Page 165 MOSI Master Out Slave In. SPI data line from the MCU to a peripheral. OMPAC Over-Molded Pad-Array Carrier. A Motorola custom IC package, distinguished by the presence of solder balls on the bottom pads. Open Architecture A controller configuration that utilizes a microprocessor with extended ROM, RAM, and EEPROM.
  • Page 166 Glossary-4 Term Definition Serial Audio CODEC Port. SSI to and from the GCAP II IC CODEC used to transfer transmit and receive audio data. Signal Qualifier An operating mode in which the radio is muted, but still continues to Mode analyze receive data to determine RX signal type.
  • Page 167 Glossary-5 Term Definition VSELP Vector Sum Excited Linear Predictive coding. A voice-encoding technique used in ASTRO digital voice. VSWR Voltage Standing Wave Ratio. The ratio of the maximum voltage to the minimum voltage on a transmission line. An indicator of how well an RF device's input or output impedance matches the nominal impedance of the system.
  • Page 168 Glossary-6 This Page Intentionally Left Blank April 15, 2002 68P81094C31-O...

  • Page 169: Index

    Index Index caution symbol meaning 1-2 charts, troubleshooting button test 6-13 Numerics channel/zone select error 6-12 DC supply failure 6-5 13 MHz reference generation, flipper IC 4-21 display failure 6-8 32 kHz oscillator, flipper IC 4-20 keyload failure 6-28 5-volt regulator U505, VOCON 4-18 list 6-1 main 6-2 power-up failure 6-3...
  • Page 170 ASTRO (digital) 2-5 global control audio and power II IC 501 See GCAP II IC model chart U501 ASTRO XTS 5000 xii ASTRO XTS 5000 ruggedized xiii model numbering system, radio xi module display 2-3 handling precautions, troubleshooting 5-1 encryption 2-3, 4-28...
  • Page 171 Index-3 power-up/power-down sequence 4-27 receive audio path, VOCON board 4-27 receiver one-way interface 4-14 back end one-wire support, flipper IC 4-20 Abacus III IC U500 2-6, 4-4 option selects, universal connector 4-23 detailed theory 4-4 ordering replacement parts A-1 overview 2-6 oscillator sampling clock oscillator 4-5 32 kHz 4-20...
  • Page 172 Index-4 interconnections 4-1 parts list 9-11 power conditioning 4-3 universal asynchronous receiver/transmitter (UART) 4- power distibution diagram 3-2 receiver back end 2-6 universal connector receiver front end 2-5 interface circuitry, VOCON board 4-22 schematics 9-2 J101 4-12 serial EEPROM 4-3 location 4-22 transmitter 2-6 option selects 4-23...
  • Page 173 Index-5 voltages, standard supply 5-2 warning symbol meaning 1-1 watchdog timer, flipper IC 4-20 waveforms, troubleshooting 13 MHz clock 7-2 16.8 MHz buffer input and output 7-3 32.768 kHz clock outputs 7-4 list 7-1 receive baseband interface port (BBP) 7-7 RX serial audio port (SAP) 7-6 SPI B data 7-5 transmit baseband interface port (BBP) 7-8...
  • Page 174 Index-6 This Page Intentionally Left Blank April 15, 2002 68P81094C31-O...
  • Page 176 Motorola, Inc. 8000 West Sunrise Boulevard Ft. Lauderdale, FL 33322 MOTOROLA and the Stylized M Logo are registered in the U.S. Patent and Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002 All rights reserved.

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