E-22
TROUBLESHOOTING GUIDE
YES
YES
FF/REW do not work
When pushing FF/REW
button, does the voltage
of 65th pin of IC1001
change?
Exchange IC1001.
Investigate IC1001 72nd pin.
Investigate Q1001 and the
peripheral circuit.
Investigate deck mechanism.
NO
NO
Whether does the
voltage of CP1004
4th pin change?