SONY XR4300RV
Manual de Servicio

SECTION 4 MECHANICAL ADJUSTMENT
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. 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. � Torque Measurement
Mode Forward Forward Back Tension Torque Meter CQ-102C Meter Reading 2.95 � 6.37 mN�m (30 � 65 g�cm) (0.42 � 0.90 oz�inch) 0.05 � 0.44 mN�m (0.5 � 4.5g�cm) (0.01 � 0.06 oz�inch) 2.95 � 6.37 mN�m (30 � 65 g�cm) (0.42 � 0.90 oz�inch) 0.05 � 0.44 mN�m (0.5 � 4.5g�cm) (0.01 � 0.06 oz�inch) 5.89 � 19.61 mN�m (60 � 200 g�cm) (0.83 � 2.78 oz�inch)

SECTION 5 ELECTRICAL ADJUSTMENT
TAPE DECK SECTION
Tape Speed Adjustment Setting:
speed checker or frequency counter 10 k �

0 dB=0.775 V

test tape WS-48A (3 kHz, 0 dB) set

�

+

AUDIO OUT 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 speed checker or frequency counter becomes in specification. Specification: Constant speed
Speed checker �1.5 to +2.5% Frequency counter 2,955 to 3,075 Hz

CQ-102C

Reverse Reverse Back Tension

CQ-102RC

CQ-102RC

FF, REW

CQ-201B

Adjustment Location:
� SET UPPER VIEW �

� Tape Tension Measurement
Mode Forward Tension Meter CQ-403A Meter Reading more than 8.83 mN�m (more than 90 g) (more than 3.18 oz) more than 8.83 mN�m (more than 90 g) (more than 3.18 oz) Tape Speed Adjustment

Reverse

CQ-403R

TUNER SECTION
Tuner section adjustments are done automatically in this set.

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