Motorola APX 7000 Detailed Service Manual page 6

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Chapter 5 Troubleshooting Charts ..................................................... 5-1
5.1 List of Troubleshooting Charts ....................................................................................................... 5-1
5.2 Main Troubleshooting Flowchart.................................................................................................... 5-2
5.3 Power-Up Failure ........................................................................................................................... 5-3
5.4 DC Supply Failure........................................................................................................................ 5-15
5.5 Top/CID Display Failure............................................................................................................... 5-19
5.6 Main Display Failure .................................................................................................................... 5-20
5.7 Volume Set Error ......................................................................................................................... 5-21
5.8 Channel Select Error.................................................................................................................... 5-22
5.9 Keypad Error................................................................................................................................ 5-23
5.10 Side Button Error ......................................................................................................................... 5-24
5.11 VOCON TX Audio Error ............................................................................................................... 5-25
5.12 Keyload Failure ............................................................................................................................ 5-29
5.13 Secure Hardware Failure ............................................................................................................. 5-30
5.14 Removable Memory Failure......................................................................................................... 5-31
5.15 RX RF Failure .............................................................................................................................. 5-32
5.16 FGU Failure ................................................................................................................................. 5-44
5.17 FGU Power Failure ...................................................................................................................... 5-45
5.18 GPS Failure ................................................................................................................................. 5-46
5.19 PA Failure .................................................................................................................................... 5-47
Chapter 6 Troubleshooting Waveforms ............................................. 6-1
6.1 List of Waveforms .......................................................................................................................... 6-1
6.2 Clocks ............................................................................................................................................ 6-3
6.3 Audio SSI ....................................................................................................................................... 6-8
6.4 RX SSI ......................................................................................................................................... 6-12
6.5 TX SSI.......................................................................................................................................... 6-15
6.6 SPI ............................................................................................................................................... 6-18
6.7 I2C BUS ....................................................................................................................................... 6-22
6.8 One Wire...................................................................................................................................... 6-25
6.9 GCAI ............................................................................................................................................ 6-26
6.10 USB.............................................................................................................................................. 6-29
6.11 UART ........................................................................................................................................... 6-31
6.12 SDRAM ........................................................................................................................................ 6-33
6.13 FLASH CONTROL....................................................................................................................... 6-35
6.14 Removable Memory..................................................................................................................... 6-42
6.15 Receive Baseband Signals .......................................................................................................... 6-51
6.16 GPS ............................................................................................................................................. 6-52
Chapter 7 Troubleshooting Tables ..................................................... 7-1
7.1 List of Board and IC Signals .......................................................................................................... 7-1
Chapter 8 Schematics, Boards Overlays, and Parts Lists................ 8-1
8.1 List of Transceiver Schematics and Board Overlays ..................................................................... 8-1
8.2 List of VOCON Schematics and Board Overlays........................................................................... 8-2
8.3 Transceiver (RF) Boards: VHF/700-800 ....................................................................................... 8-4
8.4 Transceiver (RF) Boards: UHF1/700-800 MHz........................................................................... 8-43
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