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A cassette tape can't insert it
Whether does WORM
gear of a cassette roading
block move or not?
YES
When not inserting
a cassette more, is
a tension of 3, 4th
pin of IC1001 0V?
YES
Around a cassette
insertion, is a voltage
for 3, 4th pin of
CP1006 9V?
NO
Around a cassette
insertion, is a
voltage of 21st pin
of IC 1001 5V?
YES
Investigate a circuit of roading
motor.
TROUBLESHOOTING GUIDE
NO
NO
YES
NO
Whether does 12MHz
clock oscillate or not?
YES
Exchange IC1001.
E-20
Investigate a front roading gear
and LOCKER.
Investigate IC1001 to
investigate LED and
photosensor of a MAIN PCB
and the peripheral circuit.
Exchange roading motor.
NO
Exchange X1001.
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