8-3
PL22.06-A_TR
[Video Signal Section]
No
Is the "L" pulse supplied to Pin(2) of CN3102 when the
infrared remote control activated?
Yes
Is approxi3.3V voltage supplied to Pin(1) of
CN3102?
No
FLOW CHART NO.1
Check AL+3.3V line and repair it if defective.
Yes
Replace the Digital Main CBA Unit.
Replace the IR Sensor CBA Unit or replace the
remote control unit.
No operation is possible from the remote control unit. (Operation is possible from the unit.)
Picture does not appear normally.
FLOW CHART NO.2
Yes
No
Is approximately LCD+12V voltage supplied to cathode
of D3902?
See FLOW CHART NO.5 <P-ON+21V is not
output. [Power Supply Section]>
Digital Main CBA Unit or LCD Panel Assembly may
be defective. Check and replace these parts.
