Test M: The Audio Input Jack Is Inoperative/Does Not Operate Correctly

PINPOINT TEST M: THE AUDIO INPUT JACK IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

M1-M3:

Normal Operation
Audio signals are sent from the audio input jack to the audio unit. There are no external power or ground circuits to the audio input jack.

Possible Causes
- Circuit RME45 (YE/GN) open, short to ground or voltage
- Circuit RME46 (WH/GN) open, short to ground or voltage
- Circuit VME45 (BU) open, short to ground or voltage
- Circuit VME46 (BU/GN) open, short to ground or voltage
- Audio input jack
- Audio unit