FM RDS S-Meter Adjustment (XR-C8100R only)

Setting :

SOURCE button : FM

FM RF signal

AM (MW) Auto Scan/Stop Level Adjustment

 

Setting :

 

SOURCE nMODE button

: AM (C8100)

MW (C8100R)

FREQUENCY SELECT switch (C8100) : AM 10K

generator

antenna

terminal

0.01 F

set

Carrier frequency : 98.00 MHz

Output level

: 35 dB (56.2 µV)

Mode

: mono

Modulation

: no modulation

AM RF signal generator

30 ½ 15 pF

65 pF

AM dummy antenna (50 ½)

Procedure :

1.Set to the test mode. (See page 25.)

2.Push the SOURCE button and set to FM. Display

SHUF

REG

3.Push the preset 10 button.

4.Adjust RV10 so that the display indication is “13.2”. Display

SHUF

REG

Specification : Display indication : 13.0 to 13.4

Adjustment Location : See page 28.

set

antenna

terminal

Carrier frequency : 1000 kHz (C8100)

 

999 kHz (C8100R)

30% amplitude

 

modulation by

 

1 kHz signal

 

output level

: 33 dB (44.7 µV)

Procedure :

1.Set to the test mode. (See page 25.)

2.Push the SOURCE button.

3.Push the MODE button and set to AM (C8100) or MW (C8100R).

Display

*1

SHUF

*2

TP

4.Push the preset 3 button. Display

*1

SHUF

*2

TP

5.Adjust with the volume RV1 on TUX10 so that the “AM” (C8100) or “MW” (C8100R) indication turns to “AM0” (C8100) or “MW” (C8100R) indication on the display window.

But, in case of already indicated “AM0” (C8100) or “MW” (C8100R), turn the RV1 so that put out light “0” indication and adjustment.

Display

*1

SHUF

*2

TP

*1 : XR-C8100R has the “MW” displayed.

*2 : XR-C8100R has the “999” displayed.

Adjustment Location : See page 28.

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Page 27
Image 27
Sony XR-C8100R service manual Source button FM