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When playback, a sound
doesn't appear
Whether does a
sound appear
with E-E or not?
YES
Whether there is an
audio signal for IC4001
4th pin or not?
YES
Whether there is an
audio signal for IC5501
61st pin or not?
YES
Whether there is an
audio signal for IC5501
57, 53rd pin or not?
YES
Investigate a peripheral circuit of
IC701 14, 21st pin.
TROUBLESHOOTING GUIDE
NO
NO
NO
NO
E-12
It refers to a clause of " E-E
doesn't appear".
Investigates wound, whether a
connector with an audio head
is complete and inserted into
CP4005 to investigate whether
there isn't becoming dirty or not
or not for an audio head to
investigate a circuit of IC4001
5~8th pin.
Investigate L4001 peripheral
circuit. (FH TRAP)
Exchange IC5501.
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