Motorola APX 5000 Service Manual page 8

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4.4 Power-Up Self-Check Errors.......................................................................................................... 4-4
4.5 Power-Up Self-Check Diagnostics and Repair (Not for Field Use)................................................ 4-5
Chapter 5 Troubleshooting Charts ..................................................... 5-1
5.1 List of Troubleshooting Charts ....................................................................................................... 5-1
5.2 Main Troubleshooting Flowchart.................................................................................................... 5-3
5.3 Power-Up Failure ........................................................................................................................... 5-4
5.4 DC Supply Failure........................................................................................................................ 5-15
5.5 Top/CID Display Failure............................................................................................................... 5-22
5.6 Main Display Failure .................................................................................................................... 5-23
5.7 Volume Set Error ......................................................................................................................... 5-24
5.8 Channel Select Error.................................................................................................................... 5-25
5.9 Keypad Error................................................................................................................................ 5-26
5.10 Side Button Error ......................................................................................................................... 5-27
5.11 VOCON RX Audio Error............................................................................................................... 5-28
5.12 VOCON RX Audio Error............................................................................................................... 5-29
5.13 VOCON TX Audio Error ............................................................................................................... 5-30
5.14 VOCON TX Audio Error ............................................................................................................... 5-31
5.15 Keyload Failure ............................................................................................................................ 5-32
5.16 Secure Hardware Failure ............................................................................................................. 5-33
5.17 eMMC Memory Failure ................................................................................................................ 5-34
5.18 RX RF Failure .............................................................................................................................. 5-35
5.19 FGU Failure ................................................................................................................................. 5-46
5.20 FGU Power Failure ...................................................................................................................... 5-47
5.21 GPS Failure ................................................................................................................................. 5-48
5.22 Bluetooth Failure.......................................................................................................................... 5-49
5.23 PA Failure .................................................................................................................................... 5-55
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.............................................................................................................................................. 6-28
6.11 UART ........................................................................................................................................... 6-30
6.12 SDRAM ........................................................................................................................................ 6-32
6.13 FLASH CONTROL....................................................................................................................... 6-34
6.14 Expandable Memory (eMMC) ...................................................................................................... 6-39
6.15 Receive Baseband Signals .......................................................................................................... 6-48
6.16 GPS ............................................................................................................................................. 6-49
6.17 Bluetooth Troubleshooting Waveforms........................................................................................ 6-52
6.18 Bluetooth Steady-State ................................................................................................................ 6-72
6.19 LF CW on Spectrum Analyzer ..................................................................................................... 6-77
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