5-22
Troubleshooting Charts:
Top/CID Display Failure
5.5
Top/CID Display Failure
Replace Control Top
Assembly
No Top Display
1.8V < V < 2.0V?
Check DC on V_EXT_1.85
(pin 29 of J2101)
Problem
Resolved?
Check DC on V_2.775D
(pin 30 of J2101)
2.7V < V < 2.9V?
Check SPI CLK (R2136),
Data (Pin 39 of J2101),
and CS (Pin 43 of J2101)
Signals Present?
Check Mating Board
Connectors
Replace Board With
Bad Connectors As
Needed
End
Yes
No
Proceed to DC
Flowchart
Replace Vocon
Board
No
Yes
Yes
Yes
No
No
Summary of Contents for APX 6000
Page 1: ...APX TWO WAY RADIOS APX 5000 APX 6000 APX 6000XE SRX 2200 Detailed Service Manuals ...
Page 2: ......
Page 6: ...iv Document History Notes ...
Page 20: ...xviii CommercialWarranty Notes ...
Page 26: ...2 4 Radio Power DC Power Routing VOCON Board Notes ...
Page 100: ...3 74 Theory of Operation Bluetooth Notes ...
Page 172: ...5 66 Troubleshooting Charts PA Failure Notes ...
Page 250: ...6 78 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 276: ...7 26 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 300: ...8 24 Schematics Boards Overlays and Parts Lists Transceiver RF Boards VHF Notes ...
Page 336: ...8 60 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 Notes ...
Page 378: ...8 102 Schematics Boards Overlays and Parts Lists Transceiver RF Boards 700 800 MHz Notes ...
Page 432: ...Glossary 10 Glossary Notes ...
Page 437: ......