Philips PL22.06 Service Manual page 30

[Video Signal Section]
FLOW CHART NO.1
No operation is possible from the remote control unit. (Operation is possible from the unit.)
Yes
Yes
Replace the Digital Main CBA Unit.
FLOW CHART NO.2
Picture does not appear normally.
Yes
No
Check AL+3.3V line and repair it if defective.
No
Replace the IR Sensor CBA Unit or replace the
remote control unit.
No
See FLOW CHART NO.5 <P-ON+21V is not
output. [Power Supply Section]>
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