Sharp VT-3418X - Page 50

1 MECHANISM TROUBLESHOOTING ]
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1. FF/REW FAILURE(N0 TAPE WINDING)
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2. REVPLAY FAILURE (MODE RELEASE)
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Remove cassette
controller, turn
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ower
ey.
reel disk FF gear in
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YES
+
Check for broken
solenoid lead (turn
power off,
disconnect FFC and
check with tester).
t
Is capsten DD
motor turning?
Are Vco 12V and
Vcc 5V applied ?
k 1 Replacesolenoid. ]
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Tape travel is
presumably
overloaded due to
damage on tape.
Damaged tape is to
be out of use.
Replace capstan
DD motor.
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Disconnect and
reconnect FFC.
- while attracted, or
(No
broken
lead)
Remove cassette
T
Is brake shifter at
PLAY (MC)
position?
NO Is brake shifter at
-
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YES
Replace relay
shifter.
Is take-up reel disk NO
Is capsten DD Are Vco 12V and NO
Disconnect and
pulse outputted 7
H
motor turning ?
Vcc 5V applied ?
H
reconnect main
FFC.
1 YES
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sensor.