Service manual
8-18 FL11.0CTR
[Audio Signal Section]
SP3801, SP3802, CL3801 or CL3802 may be defective.
Check and replace these parts.
Audio is not outputted normally.
FLOW CHART NO.1
Ye s
Is approximately +11V voltage supplied to Pin(6, 7)
of CN601?
Is
approximately +
21V voltage supplied to Pin(3, 4) of
CN601?
No
No
Ye s
Is approximately +5V voltage supplied to Pin(9) of
CN601?
See FLOW CHART NO.7 <AL+5V is not output.
[Power Supply Section]>
See FLOW CHART NO.5 <P-ON+21V is not output.
[Power Supply Section]>
See FLOW CHART NO.6 <AMP+11V is not output.
[Power Supply Section]>
No
Ye s