8-3 PL11.9TR
Picture does not appear normally.
FLOW CHART NO.10
Is approximately +12V voltage supplied to
Pin(11, 12, 13, 14) of CN1801?
Is
approximately +
24V voltage supplied to
Pin(1, 2, 3, 4, 5) of CN1914?
CL3901, CL5003, CL5004, Digital Main CBA Unit,
FRC CBA Unit or LCD Module may be defective.
Check and replace these parts.
SP3801, SP3802, CL3801 may be defective.
Check and replace these parts.
See FLOW CHART NO.7 < P-ON+12V is not output.>
See FLOW CHART NO.6 < PANEL+24V is not output.>
No
No
Ye s
Is approximately +5V voltage supplied to Pin(6) of
CN1801?
See FLOW CHART NO.5 < AL+5V is not output.>
No
Ye s
Is approximately +12V voltage supplied to
Pin(11, 12, 13, 14) of CN1801?
See FLOW CHART NO.7 < P-ON+12V is not output.>
No
Is approximately +5V voltage supplied to Pin(6) of
CN1801?
See FLOW CHART NO.5 < AL+5V is not output.>
No
Ye s
Ye s
Audio is not outputted normally.
FLOW CHART NO.11
Ye s
Are the audio signals outputted to Pin(1, 2, 3, 4) of
CN3801
on the
Digital Main CBA Unit
?
Replace Digital Main CBA Unit.
No
Ye s
No
Is the "L" pulse sent out Pin(1) terminal of remote
control receiver (RS4051) when the infrared remote
control is activated?
Replace the IR Sensor CBA Unit.
Ye s
Is the "L" pulse supplied to Pin(2) of CN4052?
Ye s
Is +3.3V voltage supplied to Pin(3) terminal of the
remote control receiver (RS4051)?
No
FLOW CHART NO.9
Check AL+3.3V line and service it if defective.
No
Replace the IR Sensor CBA Unit or the remote
control unit.
Ye s
Replace Digital Main CBA Unit.
No operation is possible from the remote control unit. (Operation is possible from the unit.)
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