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Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads
pinch rollers
erase head
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head demagne-
tizer.
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 unless otherwise noted.
Torque Measurement
Mode
Torque meter
FWD
CQ-102C
FWD
CQ-102C
back tension
REV
CQ-102RC
REV
CQ-102RC
back tension
FF/REW
CQ-201B
SECTION 4
MECHANICAL ADJUSTMENTS
Meter reading
2.9m N • m to 6.9m N • m
30 to 70 g • cm
(0.42 – 0.97 oz • inch)
0.15m N • m to 0.59m N • m
2 to 6 g • cm
(0.03 – 0.08 oz • inch)
2.9m N • m to 6.9m N • m
30 to 70 g • cm
(0.42 – 0.97 oz • inch)
0.15m N • m to 0.59m N • m
2 to 6 g • cm
(0.03 – 0.08 oz • inch)
4.8m N • m to 16.7m N • m
49 to 170 g • cm
(0.68 – 2.36 oz • inch)
HCD-GN1300D
21
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