Mitsubishi Electronics mitsubishi White Balance Symptom, To center picture on the screen

		MODEL: WD-52327 / WD-62327
[Video Circuit]		Purpose:		To set high, mid and low temperature white levels.
3. White Balance		Symptom:		White areas have a color tint.
Measuring
Instrument		1.	Supply a 100% white raster to an External Video Input.
Test Point		3.	Activate the Service Mode. (MENU-5-7-5-7)
		4.	Select the “DDP” function. (AUDIO button)
Ext. Trigger
	------	5.	Select adjustment Items with the VIDEO button.
			NOTE: Data is displayed in the hexadecimal format.
Measuring	------
		6.	Adjust the data for Items “120 GGH”, “121 GRH		and “122 GBH” for optimum
Range
Input Signal	White Raster		white at the center of the screen.
		7.	Adjust the data for Items “123 GGM”, “124 GRM		and “125 GBM” for optimum
Input Terminal	Video Input		white at the center of the screen.
		8.	Adjust the data for Items “126 GGL”, “127 GRL		and “128 GBL” for optimum
			white at the center of the screen.
		9.	Press “ENTER” to save data changes.
		10.	Press “MENU” twice to exit the Service Mode.

CIRCUIT ADJUST MODE

Activate …….. MENU-5-7-5-7

Function …...………..AUDIO

Item No. ……….…….VIDEO

Adjust Data ….…….ADJUST

Save Data …. ………ENTER

Exit …………..MENU (twice)

[PICTURE POSITION]	Purpose:	To center picture on the screen.
4. Horizontal/Vertical Position	Symptom:	Picture is off center.

Measuring	----
Instrument
Test Point	----
Ext. Trigger	------
Measuring	-------
Range
Input Signal	Internal Pattern “B”
Input Terminal	External Input

NOTE: The TV must be on a flat level surface.

1.Select an External Input with no signal.

2.Press “MENU-5-7-5-7” in sequence (activates the Service Mode).

3.Press “AUDIO” to select the “FPGA” function.

4.Press “2” to activate internal Test Pattern B. (Shown below)

5.Use the “VIDEO” button to select Item “1 H-DLY”.

6.Use the “ADJUST” buttons to center the picture Horizontally..

7.Press “ENTER” to save the adjustment.

8.Use the “VIDEO” button to select Item “2 V-DLY”.

9.Use the “ADJUST” buttons to center the picture Vertically.

10.Press “ENTER” to save the adjustment.

11.Press “9” to terminate the test pattern.

12.Press “Menu” twice to terminate the Adjustment Mode.

CIRCUIT ADJUST MODE

Activate …….. MENU-5-7-5-7

Function …...………..AUDIO

Item No. ……….…….VIDEO

Adjust Data ….…….ADJUST

Save Data …. ………ENTER

Exit ………….."9" then "MENU"

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