CDX-C860, CDX-C860RDS - Sony Car Audio Service Manual (repair manual). Page 25

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Procedure :
1. Set to the test mode.
2. Push the  SOURCE  button and set to FM.

Display

SOURCE button : FM

3. Push the preset  3  button.

Display

4. Adjust with the volume RV2 on FE601 so that the “FM”

indication turns to “FM0” indication on the display window.
But, in case of already indicated “FM0”, turn the RV2 so that put
out light “0” indication and adjustment.

Display

REG

SHUF1

REG

SHUF1

*1 : “REG” is displayed only for CDX-C860RDS.
*2 : CDX-C860RDS has the “98.00” displayed.

Adjustment Location : See page 27.

REG

SHUF1

*

1

*

2

*

1

*

2

*

1

*

2

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

This set have the test mode function. In the test mode, FM Auto Scan/
Stop Level and AM (MW) Auto Scan/Stop Level adjustments can be
performed easier than it in ordinary procedure.

<Set the Test Mode>
1. Set the “OFF” mode.
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.

The adjustments of tuner section, should be performed according to
the following sequence.
1. FM Auto Scan/Stop Level Adjustment
2. FM Stereo Separation Adjustment
3. FM RDS S-Meter Adjustment (CDX-C860RDS only)
4. AM (MW) Auto Scan/Stop Level Adjustment

Carrier frequency : 97.9 MHz (C860)

: 98.00 MHz (C860RDS)

Output level

: 22 dB (12.6 µV)

Mode

: mono

Modulation

: 1 kHz, 22.5 kHz deviation (30%)

FM RF signal

generator

0.01 µF

antenna
terminal

set