Mechanical Adjustments - Sony TCS-30D Service Manual

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 demagne-
tizer. (Do not bring the head demagnetizer close to the erase
head)
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 Torque Meter
FWD
CQ-102C
FWD
Back Tension
FF
CQ-201B
REW
Tape Tension Measurement
Mode Torque Meter
FWD CQ-403C
SECTION 4

MECHANICAL ADJUSTMENTS

pinch roller
rubber belt
idlers
Meter Reading
2.16 - 4.7 mN•m
(22 - 48 g•cm)
(0.31 - 0.67 oz•inch)
0.05 - 0.29 mN•m
(0.5 - 3 g•cm)
(0.007 - 0.04 oz•inch)
4.90 mN•m
(more than 50 g•cm)
(more than 0.69 oz•inch)
Meter Reading
4.90 mN•m
(more than 50 g)
(more than 1.76 oz)
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