Mechanical Adjustments - Sony HCD-GT444 Service Manual

HCD-GT111/GT222/GT444/GT555
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PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened
swab :
record/playback head pinch roller
erase head rubber belts
capstan idlers
2. Demagnetize the record/playback head with a head demag-
netizer. (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-102AS
FWD
CQ-102C
Back Tension
FF CQ-201AS
REV CQ-201B
•
Tape Tension Measurement
TE
Mode Tension Meter
L 13942296513
FWD CQ-403A
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SECTION 5

MECHANICAL ADJUSTMENTS

Meter Reading
2.0 – 8.0 mN • m
(20 to 80 g • cm)
(0.28 – 1.12 oz • inch)
0.15 – 0.6 mN • m
(1.5 to 6 g • cm)
(0.021 – 0.083 oz • inch)
5 – 17.7 mN • m
(50 to 177 g • cm)
(0.7 – 2.48 oz • inch)
5 – 17.7 mN • m
(50 to 177 g • cm)
(0.7 – 2.48 oz • inch)
Meter Reading
more than 80 g
(more than 2.82 oz)
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