TC-KE240, TC-RE340 - Sony Audio Service Manual (repair manual). Page 10

10

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

swab:

record/playback/erase head

pinch roller

rubber belt

capstan

idler

2. Demagnetize the 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 power supply

voltage unless otherwise noted.

Mode

Torque Meter

Meter Reading

 2.74 – 6.86 mN•m

Forward

CQ-102C

(28 – 69 g•cm)

(0.42 – 0.90 oz•inch)

Forward

0.1 – 0.59 mN•m

CQ-102C

(1.1 – 6.0 g•cm)

Back Tension

(0.01 – 0.06 oz•inch)

2.74 – 6.86 mN•m

Reverse

CQ-102RC

(30 – 69 g•cm)

(0.42 – 0.90 oz•inch)

Reverse

0.1 – 0.59 mN•m

CQ-102RC

(1.1 – 6.0 g•cm)

Back Tension

(0.01 – 0.06 oz•inch)

6.86 – 15.68 mN•m

FF, REW

CQ-201B

(70 – 159 g•cm)

(0.83 – 2.78 oz•inch)