XR-C5120RA - Sony Car Audio Service Manual (repair manual). Page 10

10

Make this adjustment after “FM Auto Scan/Stop Level Adjust-
ment”.
Setting:

[SOURCE]

 button: MW

Procedure:
1. Set to the test mode. (See page 8)
2. Push the 

[SOURCE]

 button and set to FM.

3. Push the 

[MODE]

 button and set to MW.

Display

4. Adjust with the volume RV1 on TU1 so that the “MW” indi-

cation turns to “MW0” indication on the display window.
But, in case of already indicated “MW0”, turn the RV1 so that
put out light “0” indication and adjustment.

Display

[SOURCE]

 button: FM

Procedure:
1. Set to the test mode. (See page 8)
2. Push the 

[SOURCE]

 button and set to FM.

Display

3. Push the 

[6]

 button.

4. Adjust RV1 so that the display indication is “10.2”.

Display

Specification: Display indication: 10.0 to 10.4

Adjustment Location: See page 11.

Adjustment Location: See page 11.

FM RF signal

generator

Carrier frequency : 98.00 MHz
Output level

: 35 dB (56.2 

µ

V)

Mode

: mono

Modulation

: no modulation

0.01 

µ

F

set

antenna jack (J1)

SHUF

SHUF

AM RF signal

generator

Carrier frequency : 999 kHz
30% amplitude
modulation by
1 kHz signal
Output level

: 33 dB (44.7 

µ

V)

(50 

Ω

)

set

AM dummy antenna

30 

Ω

15 pF

65 pF

antenna jack (J1)

TP

SHUF

TP

SHUF