Sanyo DC-C30 Service Manual page 6

I
TAPE ADJUSTMENTS
2. MOTOR REPLACEMENT AND SPEED ADJUSTMENT
(1)
Motor replacement
(2) Motor speed
1. Insert the test tape (MIT-111 or etc. 3,000 Hz) into DECK A.
2. Press the PLAY button.
3. AdjustVR311 so that the frequency counter show a reading
of 3,020 ~ 10 tiz.
4. Press the
STOP
button.
o
3. CHECKING THE MECHANISM TORQUES
Clean the head, capstan and pinch roller before making any measurement.
TAPESPEEO
ADJUSIMREN;
DECK " A & B"
Measurement Take-up torque
Back tension
Tape tension
Cassette for
PLAY : TV-21 11A
PIAY:TW-2111A Drivepower cassette
measurement F. FWDIREW : TW-2231
TW-2412
PfAY 25-63 gr.cm
2.0- 6.0 gr.cm
70 gr or more
1=. F WDIREW
60-120 gr.cm
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