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TROUBLESHOOTING GUIDE
Replace IC5501.
Check pin 21TU6001.
Refer to section " NO E-E
AUDIO (MONO) ".
No
No
No
No
NO TUNER AUDIO (MONO)
Does AUDIO signal
appear at pins 1 and 2
of IC6601 ?
Does AUDIO signal
appear at pins 15 and 18
of IC5501 ?
Check J4501 and peripheral
circuit.
Replace IC6601.
Does audio appear
on E-E ?
Does AUDIO signal
appear at pin 38 of
IC6601 ?
Yes
Yes
Yes
Yes
E-25