7
TCM-200DV
SECTION 4
MECHANICAL ADJUSTMENTS
1. Clean the following parts with a denatured-alcohol-moistened
swab:
record/playback head pinch roller
erase head rubber belt
capstan idlers
2.
Demagnetize the record/playback head with a head demagnetizer.
(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 Meter Reading
FWD
2.16 - 4.7 mN•m
(22 - 48 g•cm)
CQ-102C
(0.31 - 0.67 oz•inch)
FWD
0.05 - 0.29 mN•m
(0.5 - 3 g•cm)
Back Tension
(0.007 - 0.04 oz•inch)
FF
4.90 mN•m
CQ-201B (more than 50 g•cm)
REW (more than 0.69 oz•inch)
Tape Tension Measurement
Mode Torque Meter Meter Reading
4.90 mN•m
FWD CQ-403C (more than 50 g)
(more than 1.76 oz)
www.freeservicemanuals.info
Digitized in Heiloo, Holland
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