viii
Table of Contents
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
Side Button Error ......................................................................................................................... 5-22
5.6
RX Audio Error............................................................................................................................. 5-23
5.7
TX Audio Error ............................................................................................................................. 5-24
5.8
Keyload Failure ............................................................................................................................ 5-25
5.9
Secure Hardware Failure ............................................................................................................. 5-26
5.10 RX RF Failure .............................................................................................................................. 5-27
5.11 FGU Failure ................................................................................................................................. 5-37
5.12 VCO Failure ................................................................................................................................. 5-38
5.13 GPS Failure ................................................................................................................................. 5-43
5.14 Bluetooth Failure – Pairing Issue ................................................................................................. 5-44
5.15 PA Failure .................................................................................................................................... 5-50
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
Chapter 8
Schematics, Boards Overlays, and Parts Lists................ 8-1
8.1
List of Transceiver Schematics and Board Overlays ..................................................................... 8-1
8.2
Main Board Block: UHF1 (84012513001_A).................................................................................. 8-3
8.3
Main Board Block: 700–800 MHz (84012501002) ....................................................................... 8-61
8.4
Main Board Block: VHF (84012512001_A)................................................................................ 8-117
8.5
Main Board Block: UHF2 (84012616001) .................................................................................. 8-169
Summary of Contents for Astro APX 3000
Page 1: ...APXTM TWO WAY RADIOS APX 3000 DETAILED SERVICE MANUAL ...
Page 2: ......
Page 4: ...Notes ...
Page 6: ...vi Document History Notes ...
Page 10: ...x Table of Contents Notes ...
Page 12: ...xii List of Tables Notes ...
Page 18: ...xviii List of Figures Notes ...
Page 22: ...xxii CommercialWarranty Notes ...
Page 46: ...3 20 Theory of Operation Main Board Notes ...
Page 84: ...3 58 Theory of Operation Bluetooth Notes ...
Page 208: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 222: ...7 14 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 282: ...8 60 Schematics Boards Overlays and Parts Lists Main Board Block UHF1 84012513001_A Notes ...
Page 390: ...8 168 Schematics Boards Overlays and Parts Lists Main Board Block VHF 84012512001_A Notes ...
Page 456: ...9 8 Debugging Fixture Powering up Covert Board Notes ...
Page 468: ...Glossary 10 Glossary Notes ...
Page 472: ...Index 4 Index Notes ...
Page 473: ......