Motor Replacement - Sanyo DC-D9 Service Manual

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TAPE DECK ADJUSTMENTS
b. MOTOR REPLACEMENT AND SPEED ADJUSTMENT
(a) Motor replacement
(l) See illustration at right.
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(b) Motor
speed
(1) Insert the test tape (MTT-1 11,
(2) Press PLAY button.
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(3) Adjust SVRO1 so that the frequency counter
shows a
rea~ng of 3,000 Hz.
(4) Press STOP button.
SVRO1
H
c.
CHECKING THE MECHANISM TORQUES
Clean the head, capstan and pinch roller before making any measurement.
TAPE "A & B"
Measurement
Take-up torque
Back tension
Tape tension
Cassette for PLAY: TW-21 11A
Drive-power cassette
PLAY: TW-21 11A
measurement
F. FwD/REw:TW-2231
TW-2412
PLAY
30-60 gr.cm 2.0- 5.0 gr.cm
60gr or more
F.FWD / REW 55-120 gr.cm
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