Mechanical Adjustments - Sony HCD-GTX66 Service Manual

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[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.
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L 13942296513
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MECHANICAL ADJUSTMENTS

2 9
8
Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads pinch rollers
erase head
capstan
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
FWD
FWD
back tension
REV
REV
back tension
Q Q
3 6 7 1 3 1 5
FF/REW
co
.
HCD-GTX66/GTX77
SECTION 4
9 4 2 8
rubber belts
idlers
Torque meter Meter reading
2.9m N • m to 6.9m N • m
CQ-102C 30 to 70 g • cm
(0.42 – 0.97 oz • inch)
0.15m N • m to 0.59m N • m
CQ-102C 2 to 6 g • cm
(0.03 – 0.08 oz • inch)
2.9m N • m to 6.9m N • m
CQ-102RC 30 to 70 g • cm
(0.42 – 0.97 oz • inch)
0.15m N • m to 0.59m N • m
CQ-102RC 2 to 6 g • cm
(0.03 – 0.08 oz • inch)
4.8m N • m to 16.7m N • m
0 5 8 2 9 9 4 2 8
CQ-201B 49 to 170 g • cm
(0.68 – 2.36 oz • inch)
m
9 9
9 9
27