Philips PL22.06 Service Manual page 31

[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
Replace the Digital Main CBA
No
Replace the Power Supply
8-4
Unit.
CBA.
PL22.06-A_TR