Sony XR-C8100R service manual FM Stereo Separation Adjustment Wide

FM Stereo Separation Adjustment (WIDE)

Setting :

SOURCE button		: FM
FREQUENCY SELECT switch (C8100) : FM 200K
FM RF signal
generator	antenna	level meter
0.01 ∝F	terminal	10 k ½
	set

FM Stereo Separation Adjustment (NARROW)

Setting :

SOURCE button		: FM
FREQUENCY SELECT switch (C8100) : FM 200K
FM RF signal
generator	antenna	level meter
0.01 ∝F	terminal	10 k ½
	set

	LINE OUT REAR		LINE OUT REAR
Carrier frequency : 97.9 MHz (C8100)		Carrier frequency : 97.9 MHz (C8100)
	: 98.00 MHz (C8100R)		: 98.00 MHz (C8100R)
Output level	: 70 dB (3.2 mV)	Output level	: 70 dB (3.2 mV)
Mode	: stereo	Mode	: stereo
Modulation	: main : 1 kHz, 33.75 kHz deviation (45%) (C8100)	Modulation	: main : 1 kHz, 33.75 kHz deviation (45%) (C8100)
	1 kHz, 20 kHz deviation (26.5%) (C8100R)		1 kHz, 20 kHz deviation (26.5%) (C8100R)
	sub : 1 kHz, 33.75 kHz deviation (45%) (C8100)		sub : 1 kHz, 33.75 kHz deviation (45%) (C8100)
	1 kHz, 20 kHz deviation (26.5%) (C8100R)		1 kHz, 20 kHz deviation (26.5%) (C8100R)
	19 kHz pilot : 7.5 kHz deviation (10%)		19 kHz pilot : 7.5 kHz deviation (10%)

Procedure :

FM stereo	Level meter	Level meter
signal generator
	connection	reading (dB)
output channel
L-CH	L-CH	A
		B
R-CH	L-CH	Adjust RV3 on TUX10
		for minimum reading.
R-CH	R-CH	C
		D
L-CH	R-CH	Adjust RV3 on TUX10
		for minimum reading.

L-CH stereo separation : A –B

R-CH stereo separation : C –D

The separations of both channels should be equal.

Specification : Separation more than 24 dB

Adjustment Location : See page 28.

Procedure :

1.Push the SHIFT button.

2.Push the 4 button three times.

3.Push the 5 button twice and set to NARROW mode.

FM stereo	Level meter	Level meter
signal generator
	connection	reading (dB)
output channel
L-CH	L-CH	A
		B
R-CH	L-CH	Adjust RV4 on TUX10
		for minimum reading.
R-CH	R-CH	C
		D
L-CH	R-CH	Adjust RV4 on TUX10
		for minimum reading.

L-CH stereo separation : A –B

R-CH stereo separation : C –D

The separations of both channels should be equal.

Specification : Separation more than 18 dB

Adjustment Location : See page 28.

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