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19
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
(only for HCD-GTR6B/GTR8B)
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
2.9m N • m to 6.9m N • m
FWD
CQ-102C
30 to 70 g • cm
(0.42 – 0.97 oz • inch)
FWD
0.15m N • m to 0.59m N • m
back tension
CQ-102C
2 to 6 g • cm
(0.03 – 0.08 oz • inch)
2.9m N • m to 6.9m N • m
REV
CQ-102RC
30 to 70 g • cm
(0.42 – 0.97 oz • inch)
0.15m N • m to 0.59m N • m
REV
CQ-102RC
2 to 6 g • cm
back tension
(0.03 – 0.08 oz • inch)
4.8m N • m to 16.7m N • m
FF/REW
CQ-201B
49 to 170 g • cm
(0.68 – 2.36 oz • inch)
Mode
Torque meter
Meter reading
SECTION 3
MECHANICAL ADJUSTMENTS