Sanyo DC-S800 Service Manual page 6

TAPE ADJUSTMENTS
2. MOTOR REPLACEMENT AND SPEED ADJUSTMENT
(1) Motor replacement
(2) Motor speed
1. Insert the test tape (MTT-111 or etc. 3,000 Hz) into DECK A.
2. Press the PLAY button.
3. Adjust VR311 so that the frequency counter show a reading
of 3,000 10 Hz.
4. Press the STOP button.
3. CHECKING THE MECHANISM TORQUES
• Clean the head, capstan and pinch roller before making any measurement.
DECK " A & B"
Measureent
Cassette for
measurement
F.FWD/REW
Take-up torque
PLAY : TW-2111A
F.FWD/REW : TW-2231
PLAY 25 ~ 63 gr.cm
60 ~ 120 gr.cm
Back tension
PLAY : TW-2111A
2.0 ~ 6.0 gr.cm
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TAPE SPEED
ADJUSTMENT
Tape tension
Drive-power cassette
TW-2412
70 gr or more
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VR311