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