Motorola GP Series Service Information
Professional radio, power distribution and controller
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- Detailed service manual (494 pages) ,
- Service manual (300 pages) ,
- Service information (108 pages)
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Summary of Contents for Motorola GP Series
- Page 1 Professional Radio GP Series Power Distribution and Controller Service Information Issue: November 2004...
- Page 2 Accordingly, any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola. Furthermore, the purchase of Motorola...
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Page 3: Table Of Contents
Table of Contents Chapter 1 THEORY OF OPERATION 1.0 Overview ......................1-1 2.0 Radio Power Distribution ..................1-1 3.0 Controller Circuits ....................1-2 3.1 Controller Architecture..................1-2 3.2 MCU Digital Architecture ................1-2 3.3 Real Time Clock .....................1-3 3.4 ModB/Vstby Supply ..................1-4 3.5 Audio/Signaling Architecture ................1-4 Chapter 2 TROUBLESHOOTING CHARTS 1.0 UHF/ UHF2 Controller..................2-1... -
Page 5: Overview
Chapter 1 THEORY OF OPERATION Overview This Chapter provides a detailed theory of operation for the power distribution and controller circuits in the radio. The components for these circuits are contained on the Main Board. Refer to the RF sections of this manual for the component location details and the parts lists for these circuits. Radio Power Distribution Accessories 20 pin Connector... -
Page 6: Controller Circuits
THEORY OF OPERATION Controller Circuits Controller Architecture The controller board is the central interface between the various subsystems of the radio. It is separated into MCU digital and audio/signalling architectures as shown in Figure 1-2. External Microphone To Synthesizer Internal Microphone 16.8 MHz Reference Clock... -
Page 7: Real Time Clock
Controller Circuits Table 1-1 Radio Memory Requirements EXT RAM EEPROM RADIO ROM (KB) (KB) (KB) Conventional MDC GP140 128K Conventional 5 Tone GP320, GP340 512K Conventional 5 Tone GP360, GP380 512K Privacy Plus GP240, GP280 512K SmartZone GP540, GP580 512K GP640, GP680 512K GP1280... -
Page 8: Modb/Vstby Supply
THEORY OF OPERATION A MOSFET Q416 switches in the LiO supply when Vdd is removed. Q416 also provides isolation from BOOT_CTRL function in the event of radio program flashing. The 3.3V regulator charges the Lithium battery. ModB/Vstby Supply The supply to the ModB/Vstby pin varies depending on the conditions listed in Table 1-2. Table 1-2 ModB/Vstby Supply Modes Condition Circuit Operation... -
Page 9: All Models Except Those With Pcb 8486458Z03
Chapter 2 TROUBLESHOOTING CHARTS UHF/ UHF2/ 800MHz Controller All models except those with PCB 8486458Z03 MCU Check Press PTT. Red LED does not Before replacing light up Power Up Not able to pro- MCU, check SPI Alert Tone gram RF Board AUDIO Audio at clock, SPI data,... -
Page 10: Models With Pcb 8486458Z03
TROUBLESHOOTING CHARTS Models with PCB 8486458Z03 MCU Check Press PTT. Red LED does not Before replacing light up Not able to pro- Power Up MCU, check SPI gram RF Board AUDIO Audio at Alert Tone clock, SPI data, J403 Audio AudioPA and RF IC select at Pin 2 &... - Page 11 Chapter 3 CONTROLLER SCHEMATICS Allocation of Schematics and Circuit Boards The Controller circuits are contained on the printed circuit board (PCB) containing the RF circuits. This Chapter shows the schematics for the Controller circuits only, refer to the relevant RF section for details of the related RF circuits, the PCB component layouts and the Parts Lists.
- Page 12 CONTROLLER SCHEMATICS Table 3-3 Schematics - Set 3 PCBs : 8486458Z03 8486686Z02 UHF2 SCHEMATICS Overall Controller Schematic Page 3-15 ASFIC ON_OFF Page 3-16 Microprocessor Page 3-17 Memory Page 3-18 Interface Page 3-18 Audio Power Amplifer Page 3-19...
- Page 13 Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03) Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03) TO/FROM RF IF_RED_LED_CTRL RED_LED RED_LED IF_GREEN_LED_CTRL GREEN_LED GREEN_LED IF_SB1_CTRL AUDIO IF_SB2_CTRL IF_SB3_CTRL INT_MIC 4V_3.3V 4V_3.3V IF_EMER_CTRL EMER EMER IF_RTA0_CTRL EXT_MIC RTA0 RTA0 Vddd...
- Page 14 Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03) 4V_3.3V R405 R402 SWB+ Vddd Q400 TP406 BATT_CODE Vddd UNSWB+ C401 C400 R401 0.1uF .01uF R427 R406 2.7K U400 C402 7.45V LP2951ACMM-3.3 0.1uF C403 CR412 10uF INPUT OUTPUT BATT_DATA_IN FEEDBACK ERROR INT_EXT_Vdd SHUTDOWN...
- Page 15 Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03) Vddd F1200 R457 R409 SCI_TX SCI_RX TP401 TP402 TEST_POINT TEST_POINT 3.28V 3.28V R418 1.90V UNSWB+ Vddd Vddd Vddd R437 C431 C449 C453 C423 100pF 100pF 100pF 100pF L411 390nH U410 L410 ILC7062CM-33 3.3V...
- Page 16 Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03) Vddd C466 100pF C458 100pF C425 C426 R481 0.1uF 100pF C459 100pF J400 U405 40-PINS CONNECTOR SRM2B256 EXT_MIC J400-40 EXT_MIC VS_CS J400-39 VS_CS SWB+ J400-38 SW_B+ E400 Vddd J400-37 Vddd VS_AUDSEL VS_AUDSEL J400-36...
- Page 17 Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03) SWB+ UNSWB+ OPT_SEL2 R450 OPT_SEL1 VR447 VR448 C474 VR449 C475 C484 10.0V 10.0V 10.0V 470pF C483 .01uF 10uF 470pF R473 C471 J403 C472 470pF 470pF C473 C442 20 PIN CONNECTOR 470pF U420 0.1uF...
- Page 18 Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03) Intentionally left blank...
- Page 19 Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) TO/FROM RF RED_LED IF_RED_LED_CTRL RED_LED GREEN_LED IF_GREEN_LED_CTRL GREEN_LED IF_SB1_CTRL AUDIO IF_SB2_CTRL IF_SB3_CTRL 4V_3.3V INT_MIC 4V_3.3V EMER IF_EMER_CTRL EMER EXT_MIC RTA0 IF_RTA0_CTRL Vddd RTA0 Vddd RTA1 IF_RTA1_CTRL RTA1 RTA2 DEMOD...
- Page 20 3-10 Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) 4V_3.3V R405 R402 SWB+ TP410 Q400 Vddd BATT_CODE TP406 Vddd C405 100pF UNSWB+ C401 C400 R401 800 MHz only 0.1uF .01uF R406 R427 2.7K U400 C402 C403 LP2951ACMM-3.3 CR412 0.1uF 10uF Vdda INPUT OUTPUT R407...
- Page 21 Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) 3-11 Vddd F1200 R457 R409 SCI_TX SCI_RX TP401 TP402 TEST_POINT TEST_POINT R418 UNSWB+ Vddd Vddd Vddd R437 C431 C449 C423 C453 100pF 100pF 100pF 100pF L411 U410 390nH ILC7062CM-33 L410 3.3V 390nH R411 C456 VIN VOUT 100pF C434...
- Page 22 3-12 Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) Vddd C425 C426 0.1uF 100pF C466 100pF U405 C458 SRM2B256 100pF C404 800 MHz only 100pF C459 100pF R481 C526 C527 100pF 100pF J400 40 - PIND CONNECTOR EXT_MIC J400-40 EXT_MIC VS_CS J400-39 VS_CS SWB+...
- Page 23 Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) 3-13 UNSWB+ OPT_SEL2 C475 SWB+ OPT_SEL1 VR446 VR447 VR445 10uF 10.0V 10.0V VR449 10.0V VR448 10.0V R473 10.0V R450 J403 C471 U420 C442 20 PIN CONNECTOR R499 C472 R423 TDA8547 100pF 0.1uF C473 J403-1 100pF 20 11...
- Page 24 3-14 Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) Intentionally left blank...
- Page 25 Controller - Set 3 (PCB 8486458Z03, 8486686Z02) 3-15 Controller - Set 3 (PCB 8486458Z03, 8486686Z02) TO/FROM RF RED_LED IF_RED_LED_CTRL RED_LED GREEN_LED IF_GREEN_LED_CTRL GREEN_LED IF_SB1_CTRL AUDIO IF_SB2_CTRL IF_SB3_CTRL 4V_3.3V INT_MIC 4V_3.3V EMER IF_EMER_CTRL EMER Vddd EXT_MIC RTA0 IF_RTA0_CTRL Vddd RTA0 RTA1 IF_RTA1_CTRL RTA1 RTA2...
- Page 26 3-16 Controller - Set 3 (PCB 8486458Z03, 8486686Z02) 4V_3.3V R405 R402 SWB+ Q400 Vddd TP406 UNSWB+ C401 C400 R401 0.1uF .01uF R406 TP410 C403 U400 10uF LP2951ACMM-3.3 BATT_CODE C402 R407 OUTPUT INPUT Vddd INT_EXT_Vdd 0.1uF ERROR FEEDBACK 800 MHz only C405 SENSE SHUTDOWN...
- Page 27 Controller - Set 3 (PCB 8486458Z03, 8486686Z02) 3-17 Vddd F1200 R409 R457 SCI_TX SCI_RX TP401 TP402 TEST_POINT TEST_POINT R418 UNSWB+ Vddd Vddd Vddd R437 C431 C449 C453 C423 100pF 100pF 100pF 100pF L411 U410 390nH ILC7062CM-33 L410 3.3V 390nH R411 C456 VIN VOUT 100pF C434...
- Page 28 3-18 Controller - Set 3 (PCB 8486458Z03, 8486686Z02) Vddd C425 C426 0.1uF 100pF C466 100pF U405 C458 SRM2B256 100pF C404 800 MHz only 100pF C459 100pF R481 C526 C527 100pF 100pF J400 40 - PIND CONNECTOR EXT_MIC J400-40 EXT_MIC VS_CS J400-39 VS_CS SWB+...
- Page 29 Controller - Set 3 (PCB 8486458Z03, 8486686Z02) 3-19 UNSWB+ OPT_SEL2 C475 SWB+ OPT_SEL1 VR446 VR447 VR445 10uF 10.0V 10.0V VR449 10.0V VR448 10.0V R473 10.0V R450 J403 C471 U420 C442 20 PIN CONNECTOR R499 C472 R423 TDA8547 100pF 0.1uF C473 J403-1 100pF 20 11...
- Page 30 3-20 Controller - Set 3 (PCB 8486458Z03, 8486686Z02) Intentionally left blank...