Mechanical Adjustments; Electrical Adjustments - Sony HCD-XGV6 Service Manual

HCD-XGV6/XGV8/XGV10AV
SECTION 5

MECHANICAL ADJUSTMENTS

Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads
erase head rubber belts
capstan
2. Demagnetize the record/playback head with a head demagne-
tizer.
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 sup-
ply voltage unless otherwise noted.
Torque Measurement
Mode Torque Meter
FWD
CQ-102C
FWD
back tension
FF/REW CQ-201B
18
All manuals and user guides at all-guides.com
Precaution
1. Demagnetize the record/playback head with a head demagne-
pinch rollers
2. Do not use a magnetized screwdriver for the adjustments.
idlers
3. After the adjustments, apply suitable locking compound to the
4. The adjustments should be performed with the rated power
5. The adjustments should be performed in the order given in
6. The adjustments should be performed for both L-CH and R-CH.
7. Switches and controls should be set as follows unless other-wise
Meter Reading
2.9~6.9 mN•m
8. Set to the DOLBY NR OFF.
(30 to 70 g•cm)
9. Set to the test mode.
(0.42 – 0.97 oz•inch)
0.19~0.59 mN•m
(2 to 6 g•cm)
(0.03 – 0.08 oz•inch)
7.8~16.7 mN•m
(80 to 170 g•cm)
(1.11 – 2.36 oz • inch)
• Test Tape
SECTION 6

ELECTRICAL ADJUSTMENTS

DECK SECTION 0 DB = 0.775 V
tizer.
parts adjust.
supply voltage unless otherwise noted.
this service manual. (As a general rule, playback circuit
adjustment should be completed before performing recording
circuit adjustment.)
specified.
(1) Press the \/1 button to turn the power ON.
(2) Select the function "TAPE A or B".
(3) Press the button of c/CLOCK SET , TUNER ENTER ,
and DISC 3 simultaneously, to set the tape deck test mode
and displays "TEST MODE" on the fluorescent indicator
tube.
(4) To release from the test mode, press the \/1 button.
Tape Signal
P-4-A100 10 kHz, – 10 dB
WS-48B 3 kHz, 0 dB
Used for
Azimuth Adjustment
Tape Speed Adjustment