TROUBLESHOOTING GUIDE
Does WORM GEAR
of FRONT LOADING
UNIT activate ?
Check WORM GEAR of
FRONT LOADING UNIT.
Replace IC1001.
Does 8 MHz Clock
oscillate ?
Check circuit of FRONT LOADING
MOTOR.
When a cassette is
inserted, is the voltage at
pin 49 of IC1001 5V ?
When a cassette is inserted,
is the voltage between pins
1 and 2 of CP1002 ?
When cassette is not
inserted, is EOT BOT
PULSE at EMMITTER of
Q1055, Q1056 5V ?
CASSETTE TAPE IS NOT
ACCEPTED
Check EOT, BOT, PHOTO
SENSOR, pins 2 and 4 of IC1001.
Replace LOADING MOTOR.
Replace X1001.
No
No
Yes
No
No
Yes
Yes
Yes
Yes
No
E-10
