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Excellent printing quality.
A complete and very usefull service manual with all details.
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
SECTION 4 MECHANICAL ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened swab : playback head pinch roller capstan rubber belt 2. Demagnetize the playback head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the rated power supply voltage (2.5 V) unless otherwise noted. Torque Measurement Mode FWD FWD back tension REV REV back tension FF, REW CQ-102RC CQ-102C Torque Meter Meter Reading 20 � 42 g � cm (0.28 � 0.58 oz � inch) less than 2 g � cm (less than 0.03 oz � inch) 20 � 42 g � cm (0.28 � 0.58 oz � inch) less than 2 g � cm (less than 0.03 oz � inch) more than 50 g � cm (more than 0.69 oz � inch)
SECTION 5 ELECTRICAL ADJUSTMENTS
PRECAUTION
� Supplied voltage : 2.5 V � Switches and control position TAPE SELECT switch : NORMAL SOUND switch : NORMAL VOL control : maximum AVLS switch : NORMAL DOLBY NR switch : OFF (FS595) HOLD switch : OFF Test Tape Type WS-48A Signal 3 kHz, 0 dB Used for Tape Speed Adjustment
Tape Speed Adjustment Procedure :
test tape WS-48A (3 kHz, 0 dB) set frequency counter 16 �
CQ-201B
2 jack
1. Playback WS-48A (tape center part) in the REV state and adjust RV601 so that the frequency counter reading becomes 2,970 � 3,000 Hz. 2. Playback WS-48A (tape center part) in the FWD state. Check that frequency counter reading is within ± 1.5% of the reading of step 1. Adjustment Location :
RV601
� 11 �
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