SONY XRC2300R
Manual de Servicio

TAPE DECK SECTION

0 dB= 0.775 V

Adjustment Location: PB head

1. The adjustments should be performed in the order given in this service manual. 2. The adjustments should be performed for both L-CH and R-CH. Test Tape
Type P-4-A063 WS-48A Signal 6.3 kHz, �10 dB 3 kHz, 0 dB Used for head azimuth adjustment tape speed adjustment

FWD

   adjustment  screws REV 

PB Head Azimuth Adjustment Procedure: 1. Put the set into the FWD PB mode.
test tape P-4-A063 (6.3 kHz, �10 dB) 4� set
+ �

level meter

speaker out terminal (1300R) or AUDIO OUT jack (CN400) (C2300R)

2. Turn the screw and check the output peak value. Adjust the screw so that the peak value in channels L and R coincides within 2 dB.

See the adjustment location from on page 16 for the adjustment. Tape Speed Adjustment Setting:

L-CH peak output level

within 2 dB within 2 dB

screw position

R-CH peak L-CH peak R-CH peak

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

speed checker or frequency counter 4� set � + speaker out terminal (1300R) or AUDIO OUT jack (CN400) (C2300R)

3. Check the phase in the FWD PB mode.
test tape P-4-A063 (6.3 kHz, �10 dB) L-CH set 4� V+ + H �� R-CH 4� speaker out terminal (1300R) or AUDIO OUT jack (CN400) (C2300R) Screen pattern

oscilloscope

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 �2 to +3% Frequency counter 2,940 to 3,090 Hz

Adjustment Location: See page 16.

in phase 45 ° good

90 ° 135 ° 180 ° wrong

4. Repeat the above adjustment for the REV PB mode. 5. Check that output level difference between FWD PB mode and REV PB mode is within 4 dB.

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