Philips 32” LCD TV Service Manual page 27

[Audio Signal Section]
FLOW CHART NO.1
Audio is not output normally.
Yes
Yes
Yes
No
See FLOW CHART NO.6 <AMP+13V is not output.
[Power Supply Section]>
No
See FLOW CHART NO.7 <AL+3.3V is not output.
[Power Supply Section]>
No
Replace the Digital Main CBA Unit.
8-4 PL14.12ATR