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MECHANISM
TROUBLESHOOTING
1.
FF/REW FAILURE (NO TAPE WINDING)
Remove cassette
controller, turn
pepe on and press
F key.
Disconnect and
reconnect FFC.
(AM-MA, MC, MF)
FF (REW) position?
Is brake solenoid
attracted ?
solenoid terminal
(check with tester) ?
YES
Areidiergearand
[yo
reel disk FF gear in
mesh?
Check for broken
solenoid lead (turn
power off,
disconnect FFC and
check with tester).
Clean solenoid
Brake shifter i
i
while attracted, or
deformed. Replace
replace it.
YES
roken
lead)
Replace idler
assembly.
Are AT 12V and PC
[NO
5V applied ?
Is capsten OD
f
Reptace solenoid.
MOTOR turning?
YES
YES
Disconnect and
reconnect FFC,
(AM-MA, MC, MF)
ls FF brake torque
between 10 and
20 g-cm?
Replace capstan
DD. MOTOR.
Replace FF brake
assembly.
Tape travel is
presumabl
overloaded
due to
damage on tape.
Damaged tape is
to be out of use.
2. REC/PLAY FAILURE (MODE RELEASE)
Remove cassette
controller, turn
poe on and press
B key.
Is brake shifter at
PLAY (REC)
position?
Are idler gear and
reel disk PB gearin
ne
mesh?
YES
Is take-up reel disk
[NO
pulse outputted ?
YES
Check SYSCON-
SERVO PWB. Reel
pulse AT pin G9
of IC801H-SW-
Pulse AT pin @ of
1C801.
LOOHS
F18NOUL
Brake shifter is
deformed.
Replace.
is brake shifter at
PLAY position ?
Replace relay
shifter.
Replace idler
assembly.
Disconnect and
reconnect FFC.
(AM-MA, MC, MF)
Is capsten DD
MOTOR turning ?
NO;
AreAT12V and PC
|NO
5V applied ?
YES >
YES
Replace capstan
Is ATSV applied at
| NO
DD. MOTOR.
reel PWB?
Disconnect and
reconnect FFC.
Replace reel
sensor.
—<
e
se)
©
m
~
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