iv
Table of Contents
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
Main Display Failure .................................................................................................................... 5-22
5.6
Volume/Channel Error ................................................................................................................. 5-23
5.7
Volume Set Error (APX 2000/ APX 4000 (Two Knobs)) .............................................................. 5-24
5.8
Channel Select Error (APX 2000/ APX 4000 (Two Knobs)) ........................................................ 5-25
5.9
Keypad Error................................................................................................................................ 5-26
5.10 Side Button Error ......................................................................................................................... 5-27
5.11 RX Audio Error............................................................................................................................. 5-28
5.12 TX Audio Error ............................................................................................................................. 5-30
5.13 Keyload/Secure Hardware/Memory ............................................................................................. 5-32
5.14 RX RF Failure .............................................................................................................................. 5-34
5.15 FGU Failure ................................................................................................................................. 5-45
5.16 VCO Failure ................................................................................................................................. 5-46
5.17 GPS Failure ................................................................................................................................. 5-52
5.18 Bluetooth Failure.......................................................................................................................... 5-53
5.19 PA Failure .................................................................................................................................... 5-59
Chapter 6
Troubleshooting Waveforms ............................................. 6-1
6.1
List of Waveforms .......................................................................................................................... 6-1
6.2
Clocks ............................................................................................................................................ 6-2
6.3
Audio SSI ....................................................................................................................................... 6-7
6.4
RX SSI ......................................................................................................................................... 6-11
6.5
TX SSI.......................................................................................................................................... 6-14
6.6
SPI ............................................................................................................................................... 6-17
6.7
I2C BUS ....................................................................................................................................... 6-19
6.8
One Wire...................................................................................................................................... 6-22
6.9
GCAI ............................................................................................................................................ 6-23
6.10 USB.............................................................................................................................................. 6-25
6.11 SDRAM ........................................................................................................................................ 6-27
6.12 FLASH CONTROL....................................................................................................................... 6-29
6.13 Receive Baseband Signals .......................................................................................................... 6-34
6.14 GPS ............................................................................................................................................. 6-35
6.15 Bluetooth Troubleshooting Waveforms........................................................................................ 6-38
6.16 Bluetooth Steady-State ................................................................................................................ 6-58
6.17 LF CW on Spectrum Analyzer ..................................................................................................... 6-63
Chapter 7
Troubleshooting Tables ..................................................... 7-1
7.1
List of Board and IC Signals .......................................................................................................... 7-1
Summary of Contents for APX 2000
Page 1: ...APXTM TWO WAY RADIOS APX 1000 APX 2000 APX 4000 APX 4000Li DETAILED SERVICE MANUAL ...
Page 4: ......
Page 6: ...iv Document History Notes ...
Page 8: ...Notes vi Commercial Warranty ...
Page 10: ...Notes ...
Page 22: ...xiv List of Figures Notes ...
Page 226: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 688: ...Index 4 Index Notes ...
Page 690: ...ii Notes ...
Page 700: ...xvi List of Figures Notes ...
Page 806: ...5 50 Troubleshooting Charts PA Failure Notes ...
Page 1008: ...8 178 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 84012621001 Notes ...
Page 1062: ...8 234 Schematics Boards Overlays and Parts Lists Keypad Board M2 and M3 PC000261A01 Notes ...
Page 1064: ...ii Notes ...
Page 1068: ...Notes A 4 EMEA Warranty Service and Technical Support Further Assistance From Motorola ...
Page 1090: ...Glossary 10 Glossary Notes ...
Page 1094: ...Index 4 Index Notes ...
Page 1095: ......