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Motorola GP Series Manual

Professional radio
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All manuals and user guides at all-guidesbox.com
Professional Radio
GP Series
Power Distribution and Controller
Service Information
Issue: November 2004

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Summary of Contents for Motorola GP Series

  • Page 1 All manuals and user guides at all-guidesbox.com 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...

  • Page 3: Table Of Contents

    All manuals and user guides at all-guidesbox.com 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...
  • Page 4 All manuals and user guides at all-guidesbox.com...

  • Page 5: Overview

    All manuals and user guides at all-guidesbox.com 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.

  • Page 6: Controller Circuits

    All manuals and user guides at all-guidesbox.com 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...

  • Page 7: Real Time Clock

    All manuals and user guides at all-guidesbox.com 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...

  • Page 8: Modb/Vstby Supply

    All manuals and user guides at all-guidesbox.com 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.

  • Page 9: All Models Except Those With Pcb 8486458Z03

    All manuals and user guides at all-guidesbox.com 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...

  • Page 10: Models With Pcb 8486458Z03

    All manuals and user guides at all-guidesbox.com 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...
  • Page 11 All manuals and user guides at all-guidesbox.com 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 All manuals and user guides at all-guidesbox.com 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

    All manuals and user guides at all-guidesbox.com 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...
  • Page 14 All manuals and user guides at all-guidesbox.com 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...
  • Page 15 All manuals and user guides at all-guidesbox.com 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...
  • Page 16 All manuals and user guides at all-guidesbox.com 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+...
  • Page 17 All manuals and user guides at all-guidesbox.com Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03) SWB+ UNSWB+ OPT_SEL2 R450 OPT_SEL1 VR447 VR448 VR449 C474 C475 C484 10.0V 10.0V 10.0V 470pF C483 .01uF 470pF 10uF R473 C471 C472 J403 470pF C473 C442...
  • Page 18 All manuals and user guides at all-guidesbox.com Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03) Intentionally left blank...

  • Page 19: Controller - Set 2 (Pcb 8480450Z13/14, 8485641Z06)

    All manuals and user guides at all-guidesbox.com 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 RTA0 IF_RTA0_CTRL Vddd EXT_MIC...
  • Page 20 All manuals and user guides at all-guidesbox.com 3-10 Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) 4V_3.3V R405 R402 SWB+ TP410 Vddd Q400 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...
  • Page 21 All manuals and user guides at all-guidesbox.com Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) 3-11 Vddd F1200 R409 R457 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...
  • Page 22 All manuals and user guides at all-guidesbox.com 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...
  • Page 23 All manuals and user guides at all-guidesbox.com Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) 3-13 UNSWB+ OPT_SEL2 C475 SWB+ OPT_SEL1 VR447 VR445 VR446 10uF 10.0V 10.0V 10.0V VR449 VR448 10.0V R473 10.0V R450 J403 U420 C442 C471 20 PIN CONNECTOR R499 C472 100pF...
  • Page 24 All manuals and user guides at all-guidesbox.com 3-14 Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06) Intentionally left blank...

  • Page 25: Controller - Set 3 (Pcb 8486458Z03, 8486686Z02)

    All manuals and user guides at all-guidesbox.com 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 4V_3.3V INT_MIC IF_SB3_CTRL 4V_3.3V EMER IF_EMER_CTRL EMER RTA0 Vddd EXT_MIC...
  • Page 26 All manuals and user guides at all-guidesbox.com 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...
  • Page 27 All manuals and user guides at all-guidesbox.com Controller - Set 3 (PCB 8486458Z03, 8486686Z02) 3-17 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...
  • Page 28 All manuals and user guides at all-guidesbox.com 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...
  • Page 29 All manuals and user guides at all-guidesbox.com Controller - Set 3 (PCB 8486458Z03, 8486686Z02) 3-19 UNSWB+ OPT_SEL2 C475 SWB+ OPT_SEL1 VR447 VR445 VR446 10uF 10.0V 10.0V 10.0V VR449 VR448 10.0V R473 10.0V R450 J403 U420 C442 C471 20 PIN CONNECTOR R499 C472 100pF...
  • Page 30 All manuals and user guides at all-guidesbox.com 3-20 Controller - Set 3 (PCB 8486458Z03, 8486686Z02) Intentionally left blank...

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