8-4 PL19.00ATR
[Audio Signal Section]
SP3801, SP3802 or CL3801, CL3802 may be defective.
Check and replace these parts.
Audio is not output normally.
FLOW CHART NO.1
Are the audio signals output to Pin(1, 2) of CN3801 and
CN3802 ?
Replace the Digital Main CBA Unit.
No
Ye s
Is approximately +13V voltage supplied to cathode of
D653, D655?
No
Ye s
See FLO
W CHAR
T NO
.6 <AMP+13V is not output.
[Power Supply Section]>
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