SONY XR-2300R
Service Manual

SECTION 3 MECHANICAL 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
Mode Forward Forward Back Tension Reverse Reverse Back Tension FF, REW CQ-102RC Torque Meter CQ-102C Meter Reading 2.46 � 5.39 mN�m (25 � 55 g�cm) (0.35 � 0.76 oz�inch) 0.15 � 0.39 mN�m (1.5 � 4 g�cm) (0.02 � 0.06 oz�inch) 2.46 � 5.39 mN�m (25 � 55 g�cm) (0.35 � 0.76 oz�inch) 0.15� 0.39 mN�m (1.5 � 4 g�cm) (0.02 � 0.06 oz�inch) 4.91 � 14.70 mN�m (50 � 150 g�cm) (0.69 � 2.08 oz�inch)

SECTION 4 ELECTRICAL ADJUSTMENTS
TEST MODE This set have the test mode function. In the test mode, FM Auto Seek/Stop Level, FM RDS S-Meter adjustments and MW Auto Seek/Stop Level check can be performed easier than it in ordinary procedure. <Set the Test Mode> 1. Turn ON the regulated power supply. (All LEDs on the set lights up, and the clock is displayed.) Note: Press the [OFF] button, if the clock is not displayed. 2. Push the preset [4] button. 3. Push the preset [5] button. 4. Press the preset [1] button for more than two seconds. 5. Then the display indicates all lights, the test mode is set. <Release the Test mode> 1. Push the [OFF] button.

CQ-102C

CQ-102RC

CQ-201B

� Tape Tension Measurement
Mode Forward Reverse Tension Meter CQ-403A CQ-403R Meter Reading more than 5.89 mN�m (more than 60 g) (more than 2.12 oz)

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