Mechanical Adjustments - Sony HCD-DP1000D Service Manual

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[VACS ON/OFF MODE]
• This mode is used to switch ON and OFF the VACS (Variable
Attenuation Control System).
Procedure:
Press the three buttons x , ENTER and SPECTRUM or
KARAOK PON simultaneously.
[REPEAT 5 LIMIT OFF MODE]
• This mode is used to enable infinite repetitions.
Normally, the number of repetitions allowed is 5.
Procedure:
1. Press `/1 button to turn ON the power supply.
2. Set the function "DVD".
3. Press three burtons ENTER , DISC 3 , and x is simultaneously.
4. Infinite repetitions is enabled.
5. This state is maintained ( memorized ) until COLD RESET is
executed.
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MECHANICAL ADJUSTMENTS

Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads
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
FWD tension
REV tension
co
.
HCD-DP1000D
SECTION 4
9 4 2 8
pinch rollers
rubber belts
idlers
Torque meter Meter reading
3.06 N • m to 6.96 N • m
CQ-102C 31 to 71 g • cm
(0.43 – 0.98 oz • inch)
0.19 N • m to 0.58 N • m
CQ-102C 2 to 6 g • cm
(0.02 – 0.08 oz • inch)
3.06 N • m to 6.96 N • m
CQ-102RC 31 to 71 g • cm
(0.43 – 0.98 oz • inch)
0.19 N • m to 0.58 N • m
CQ-102RC 2 to 6 g • cm
(0.02 – 0.08 oz • inch)
6.96 N • m to 14.02 N • m
0 5 8 2 9 9 4 2 8
CQ-201B 71 to 143 g • cm
(0.98 – 1.99 oz • inch)
9.80 N • m
CQ-403A 100 g or more
(3.53 oz or more)
9.80 N • m
CQ-403R 100 g or more
(3.53 oz or more)
m
9 9
9 9
17