E-12
TROUBLESHOOTING GUIDE
NO
NO
YES
NO
YES
NO
YES
YES
Whether does a
sound appear
with E-E or not?
It refers to a clause of " E-E
doesn't appear".
Whether there is an
audio signal for IC4001
4th pin or not?
Whether there is an
audio signal for IC5501
61st pin or not?
Whether there is an
audio signal for IC5501
57, 53rd pin or not?
Exchange IC5501.
Investigate a peripheral circuit of
IC701 14, 21st pin.
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.
When playback, a sound
doesn't appear
Investigate L4001 peripheral
circuit. (FH TRAP)
