TROUBLESHOOTING GUIDE
E-20
Yes
No
No
Yes
When cassette is not
inserted ,is EOT BOT
PULSE at pin 2 of CP1006
and pin 1 of CP1002?
No
Yes
Does WORM GEAR of
CASSETTE LOADING
BLOCK activate?
Check WORM GEAR of
CASSETTE LOADING BLOCK.
Check EOT, BOT, PHOTO
SENSOR, pins 26 and 25 of IC1006.
When a cassette is inserted,
is the voltage between pins
3 and 4 of CP1006?
Replace LOADING MOTOR.
Yes
No
When a cassette is
inserted, is the voltage at
pin 67 of IC1006 5V?
Check circuit of LOADING MOTOR.
Replace IC1006.
CASSETTE TAPE IS NOT
ACCEPTED
