Sony KL-W9000 service manual Glbs

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	Adjustment Items and Procedure	Tools and	Test Points	Adjustment Places Illustration Waveforms and Values
		Signals
5.	Adjust *RV so that the forward 10 IRE ~ reverse 10 IRE (A) be-			* RV5402 [GL. BIAS]
	comes *8.30±0.02Vp-p.
					10	IRE
	Adjustment is no good when 0 IRE ~ 10 IRE voltage is below
	100mV.

6.Confirm that forward 100 IRE ~ reverse 100 IRE (B) is

*3.45	0.10Vp-p.
±		B	10 IRE
			A
			10 IRE

100 IRE

* A : 8.30±0.02Vp-p

* B : 3.45±0.10Vp-p

∙ B channel		* Oscilloscope	* TP5603	[B-SIG2]
1.	Connect *oscilloscope to *TP5603.	* DC power	* TP5411	[GLBS]

2.*DC power, apply 3.60±0.02V to *TP5611.

3.Adjust *RV so that 10 IRE ~ 20 IRE becomes *800±20mV. Confirm that 0 IRE ~ 10 IRE voltage is over 7.1V.

20 IRE

10 IRE

* RV5603 [GL. GAIN] * 10 IRE ~20IRE : F800 : 20mV

KL-W7000/W9000RM-Y980