Mechanical Adjustments - Sony HCD-GTX88 Service Manual

[ERROR MESSAGE]
1. GC error message
• Display
Display on fluorescent indicator tube,
GC ERR01
When "GC ERR01" message appears, all LEDs lights up and
set becomes hang.
Set does not respond to any main unit keys or remote controller
keys.
• What to do
1. Please check the model resistor value and replace with correct
parts.
2. Plug in the set. The error message shall not be appear.
SECTION 4

MECHANICAL ADJUSTMENTS

Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads pinch rollers
erase head rubber belts
capstan idlers
2. Demagnetize the record/playback head with a head
demagnetizer.
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 unless otherwise noted.
Torque Measurement
Mode Torque meter
FWD CQ-102C
FWD
CQ-102C
back tension
REV CQ-102RC
REV
CQ-102RC
back tension
FF/REW CQ-201B
HCD-GTX88
Meter reading
2.9m N • m to 6.9m N • m
30 to 70 g • cm
(0.42 – 0.97 oz • inch)
0.15m N • m to 0.59m N • m
2 to 6 g • cm
(0.03 – 0.08 oz • inch)
2.9m N • m to 6.9m N • m
30 to 70 g • cm
(0.42 – 0.97 oz • inch)
0.15m N • m to 0.59m N • m
2 to 6 g • cm
(0.03 – 0.08 oz • inch)
4.8m N • m to 16.7m N • m
49 to 170 g • cm
(0.68 – 2.36 oz • inch)
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