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TROUBLESHOOTING GUIDE
CASSETTE TAPE IS
NOT ACCEPTED
No
Yes
No
Yes
Yes
No
No
Yes
When a cassette is inserted,
is the voltage at pin 4 of
IC1002 0V ?
When a cassette is inserted,
is the voltage between pins 3
and 4 of CP1004 about 9.8V ?
When a cassette is inserted,
is the voltage at pin 47 of
IC1002 5V ?
Does WORM GEAR on
CASSETTE LOADING
BLOCK activate ?
Check FRONT LOADING
GEARS and LOCKER.
Check LED and
PHOTO
SENSOR
on SYSCON PCB.
Replace LOADING MOTOR.
Replace IC1002.
Check circuit of
CASSETTE
LOADING BLOCK
.
E-5