Sony XR-CA600 Section Mechanical Adjustments, Section Electrical Adjustments, Tape Deck Section

SECTION 4

MECHANICAL ADJUSTMENTS

XR-CA600/CA600V/CA600X

SECTION 5

ELECTRICAL ADJUSTMENTS

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

swab:
playback 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.The adjustments should be performed with the power supply voltage (14.4 V) unless otherwise noted.

• Torque Measurement

TAPE DECK SECTION

Tape Speed Adjustment

Setting:

test tape WS-48A

(3 kHz, 0 dB)

10 k Ω

set

0 dB=0.775 V

frequency counter

+

–

Mode	Torque Meter	Meter Reading
		2.95 – 6.37 mN•m
Forward	CQ-102C	(30 – 65 g•cm)
		(0.42 – 0.90 oz•inch)
Forward		0.05 – 0.44 mN•m
	CQ-102C	(0.5 – 4.5g•cm)
Back Tension
		(0.01 – 0.06 oz•inch)
		2.95 – 6.37 mN•m
Reverse	CQ-102RC	(30 – 65 g•cm)
		(0.42 – 0.90 oz•inch)
Reverse		0.05 – 0.44 mN•m
	CQ-102RC	(0.5 – 4.5g•cm)
Back Tension
		(0.01 – 0.06 oz•inch)
		5.89 – 19.61 mN•m
FF, REW	CQ-201B	(60 – 200 g•cm)
		(0.83 – 2.78 oz•inch)

• Tape Tension Measurement

Mode	Tension Meter	Meter Reading
Forward	CQ-403A	more than 60 g
		(more than 2.12 oz)
Reverse	CQ-403R	more than 60 g
		(more than 2.12 oz)

AUDIO OUT REAR jack (CNJ151)

Procedure:

1.Put the set into the FWD PB mode.

2.Adjust adjustment resistor for inside capstan motor so that the reading on the frequency counter becomes 3,000 Hz.

Specification: Constant speed

Frequency counter

2,955 to 3,075 Hz

Adjustment Location:

– SET UPPER VIEW –

Tape Speed Adjustment

TUNER SECTION

Tuner section adjustments are done automatically in this set.

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