CFS-1085S - Sony Audio Service Manual (repair manual). Page 8

8

z 

Switch location

   FUNCTION switch................. TAPE (RADIO OFF)
   SOUND SELECT.................... FLAT
   VOLUME................................. mechanical center
   MEGA BASS............................ OFF

WS-48B

3kHz, 0dB

Tape Speed Adjustment

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

swab :

record/playback head

pinch roller

erase head

rubber belts

capstan

2. Demagnetize the record/playback head with a head demagne-

tizer. (Do not bring the head demagnetizer close to the erase
head.)

3. Do not use a magnetized screwdriver for the adjustments.
4. The adjustments should be performed with the rated power sup-

ply voltage (9V) unless otherwise noted.

2.95 – 6.86 mN•m

Playback

CQ-102C

(30 – 70 g•cm)

(0.42 – 0.97 oz•inch)

0.15 – 0.53 mN•m

Back Tension

CQ-102C

(1.5 – 5.5 g•cm)

(0.021 – 0.076 oz•inch)

5.4 – 13.2 mN•m

Rewind

CQ-201B

(55 – 135 g•cm)

Fast Forward

(0.77 – 1.87 oz•inch)

FWD

CQ-403A

more than 100g (3.53 oz)

 0dB = 0.775 V