– 7 –
SECTION 4
MECHANICAL ADJUSTMENTS
Tape Tension Measurement
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 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 Meter Reading
FWD
more than 20 g•cm
CQ-102C
(more than 0.28 oz•inch)
Forward Back Tension
0.5 - 3 g•cm
(0.007 - 0.04 oz•inch)
FF
CQ-201B
more than 50 g•cm
REW (more than 0.69 oz•inch)
Mode Tension Meter Meter Reading
FWD CQ-403C
more than 50 g
(more than 1.76 oz)
To Next Page
Loading...
