Mitsubishi Electronics VS-60609 Low Color Temperature, Service Mode Activate …….. MENU-0-1-5-7

MODELS: VS-45609 / VS-50609 / VS-55609 / VS-60609 / VS-60719 / VS-70709

[CRT Circuit]			Purpose:	To set the CRTs white level at Low Color Temperature.
9. White Balance			Symptom: Monchrome has a color tint.
(Low Color Temperature)
Measuring		--------	Note: This adjustment should be performed after the High temperature White
Instrument
Test Point		--------	Balance Adjustment.
			Low Color Temperature White Balance
Ext. Trigger		------
			1. Supply a Full White Raster signal to the Video Input.
Measuring		-------
			2. Enter the Service Mode, VCJ Function.
Range
			3. Adjust Item “17 RDRL” and “18 BDRL” for optimum white at the center of the
Input Signal		Full White Raster
			picture.
Input Terminal		Video Input	Note: If the Cutoff level changes during the adjustment, use Items “14 CTRL”
				and “16 CTBL” to touch up the Cutoff level. Then readjust “RFRL” and
				“BDRL”.
			4. Save data and exit the Service Mode.
	SERVICE MODE
	Activate …….. MENU-0-1-5-7
	Function …...………..AUDIO
	Item No. ……….…….VIDEO
	Adjus t Data ….…….ADJUST
	Save Data …. ………ENTER
	Exit …………..MENU (twice)

[Video Circuit]	Purpose:	To set black level of the picture.
10. Black Level	Symptom:	Excessive or insufficient contrast.

Measuring	--------
Instrument
Test Point	--------
Ext. Trigger	------
Measuring	-------
Range
Input Signal	Monoscope
Input Terminal	Video Input

Note: This adjustment should be performed after the Cutoff and White Balance Adjustments.

1.Supply a Monoscope signal to the Video Input.

2.Enter the Service Mode, VCJ Function.

3.Adjust Item “7 BRTH” so the 0% and 10% gradation levels on the Mono- scope pattern are the same. (Data should be within 31 ±4 range)

4.Save the data and exit the Service Mode.

SERVICE MODE Activate …….. MENU-0-1-5-7

Function …...………..AUDIO

Item No. ……….…….VIDEO

Adjust Data ….…….ADJUST

Save Data …. ………ENTER

Exit …………..MENU (twice)

40%	30%	20%	10%
50%	0%	0%	0%
60%	70%	80%	90%

GRADATION SCALE

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