![background image](http://html.mh-extra.com/html/sony/hcd-dp900d/hcd-dp900d_service-manual_420616016.webp)
16
HCD-DP900D
[VACS ON/OFF MODE]
• This mode is used to switch ON and OFF the VACS (Variable
Attenuation Control System).
Procedure:
Press 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.
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
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
6.96 N • m to 14.02 N • m
71 to 143 g • cm
(0.98 – 1.99 oz • inch)
9.80 N • m
100 g or more
(3.53 oz or more)
9.80 N • m
100 g or more
(3.53 oz or more)
Mode
Torque meter
CQ-102C
CQ-102C
CQ-102RC
CQ-102RC
CQ-201B
CQ-403A
CQ-403R
Meter reading
FWD
FWD
back tension
REV
REV
back tension
FF/REW
FWD tension
REV tension
Summary of Contents for HCD-DP900D
Page 90: ...HCD DP900D MEMO ...