Troubleshooting
2014-04-15
79
8.6
Digital Audio
CPU Module
CON Module
1
1
Rear View
Rear View
Diagnosis
Possible Reason
Measure
No audio connection to
CPU / audio source
Connect digital audio source.
Check connection of audio cable.
CPU Unit:
LED
1
red
No signal
Switch digital audio source on.
Activate digital output at CPU /
audio source.
No audio connection to
audio sink
(e.g. speakers)
Connect digital audio sink.
Check connection of audio cable.
CON Unit:
LED
1
red
No signal
Check signal at CPU Unit.
No signal /
LEDs
1
OK
Digital Silence at active
audio source
Check LEDs at CPU Unit.
Check audio format.
Change
audio
input.
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