Mechanical Adjustments - Sony HCD-GT22 Service Manual

PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened
swab :
record/playback head
erase head
capstan
2. Demagnetize the record/playback head with a head
demagnetizer. (Do not bring the head magnetizer close to the
erase head.)
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, appiy 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
FF/REW CQ-201B
TAPE TENSION MEASUREMENT
Mode Tension Meter
FWD CQ-403A
SECTION 5

MECHANICAL ADJUSTMENTS

pinch roller
rubber belts
idlers
Meter Reading
2.6 – 6.9 mN m
(30 – 70 g cm)
(0.41 – 0.97 oz inch)
0.15 – 0.59 mN m
(1.5 – 6.0 g cm)
(0.021 – 0.083 oz inch)
5.4 – 16.7 mN m
55 – 170 g cm)
0.76 – 2.35 oz inch)
Meter Reading
more than 100 g
(more than 3.53 oz)
HCD-GT22/GT44/GT55
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