68009482001 September 9, 2011
Chapter 7 Troubleshooting Charts and Error Codes
This chapter contains detailed troubleshooting flowcharts. These should be used as a guide in determining
the problem areas. They are not a substitute for knowledge of circuit operation and astute troubleshooting
techniques. It is advisable to refer to the related detailed circuit descriptions in the theory of operation chapter
prior to troubleshooting a radio.
7.1 List of Troubleshooting Charts and Error Codes
Table 7-1. List of Troubleshooting Charts
Chart Title Page
Consolette does not power On or Off - A 7-3
Consolette does not power On or Off - B 7-4
Consolette does not Transmit or Receive - A 7-5
Consolette does not Transmit or Receive - B 7-6
Controller Board DC Voltages - A 7-7
Controller Board DC Voltages - B
7-8
Controller Board DC Voltages - C 7-9
Controller Board DC Voltages - D 7-10
USB Connectivity - A 7-11
USB Connectivity - B 7-12
APCO RX Audio - A 7-13
APCO RX Audio - B 7-14
Audio Jack RX - A 7-15
Audio Jack RX - B 7-16
Crosspatch RX Audio - A 7-17
Crosspatch RX Audio - B 7-18
External PA RX Audio - A 7-19
External PA RX Audio - B 7-20
Headset 1 RX Audio 7-21
Headset 2 RX Audio 7-22
Recorder RX Audio - A 7-23
Recorder RX Audio - B 7-24