HCD-RX33 - Sony Audio Service Manual (repair manual). Page 9

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1. Clean the following parts with a denatured alcohol-moistened

swab:
record/playback head

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.

Meter reading

40 to 70 g • cm

(0.56 - 0.97 oz • inch)

1 to 5 g • cm

(0.01 - 0.07 oz • inch)

55 to 140 g • cm

(0.76 - 1.94 oz • inch)

Torque

FWD

FWD

back tension

FF/REW

Torque meter

CQ-102C

CQ-102C

CQ-201B

1.

Demagnetize the record/playback head with a head
damagnetizer.

2.

Do not use a magnetized screwdriver for the adjustments.

3.

After the adjustments, apply suitable locking compound to the
parts adjusted.

4.

The adjustments should be performed with the rated power
supply voltage unless otherwise noted.

5.

The adjustments should be performed in the order given in this
service manual. (As a general rule, playback circuit adjustment
should be completed before performing recording circuit
adjustment.)

6.

The adjustments should be performed for both L-CH and R-
CH.

Note: Perform this adjustments for both decks.

Procedure:
1.

Mode : Playback

Tape

P-4-A100

WS-48B

Signal

10 kHz, –10 dB

3 kHz, 0 dB

Used for

Azimuth Adjustment

Tape Speed Adjustment

test tape
P-4-A100
(10kHz, –10dB)

SPEAKER
terminal (JK501)

level meter

+

–

set