Service manual

E-3
TROUBLESHOOTING GUIDE
A voice isn't though an image
appears
NO
YES
YES
YES
YES
NO
NO
NO
Whether does a signal
come to IC353 6th pin
and 8th pin or not?
Investigate IC1006 85th pin.
Is the voltage of IC352
1st pin DC 6.6V or not?
Investigate D505 and D534.
Investigate headphone jack
(J351) or a peripheral circuit.
Investigate a speaker.
Does a signal change at
a volume upgrade/knock
down or not?
Does a signal come to
CP353 1th pin and
4th pin or not?
Investigate IC5501
peripheral circuit.