XR-CA310, XR-L210 - Sony Car Audio Service Manual (repair manual). Page 16

16

0 dB=1 

µ

V

When the tuner unit is defective, replace it by a new one be-
cause its internal block is difficult to repair.

Adjust the tuner section in the sequence shown below.

1. FM RDS S-Meter Adjustment
2. FM Auto Seek/Stop Level Adjustment
3. FM Stereo Separation Adjustment
4. MW Auto Seek/Stop Level Adjustment

[SOURCE]

 (CA310) or 

[TUNER]

 (L210) button: FM

Procedure:
1. Set to the test mode. (see page 14)
2. Push the 

[SOURCE]

 (CA310) or 

[TUNER]

 (L210) button and

set to FM.

Display

3. Push the 

[6]

 button.

4. Adjust RV100 on main board so that the display indication is

“8.2”.

Display

Specified Value: Display indication: 8.2 

±

 0.2

Adjustment Location: See page 18.

[SOURCE]

 (CA310) or 

[TUNER]

 (L210) button: FM

Procedure:
1. Set to the test mode. (see page 14)
2. Push the 

[SOURCE]

 (CA310) or 

[TUNER]

 (L210) button and

set to FM.

Display

3. Adjust with the volume RV3 on TU100 so that the “FM” indi-

cation turns to “FM0” indication on the display window.
But, in case of already indicated “FM0”, turn the RV3 so that
put  out light “0” indication and adjustment.

Display

Adjustment Location: See page 18.

µ

Ω

Ω

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SHUF

MBP

REG

MBP

SHUF

REG

MBP

SHUF

REG

SHUF

MBP

REG