8-3 PL11.8TR
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, C
L5003, CL5004, Digital Main CBA Unit,
FRC CBA Unit or LC
D Module may be defective.
Check and replace these par
ts.
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, 1
3, 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) ter
minal 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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