32LX4DC-UB, 32LX4DCS-UB (CHASSIS:LA53A) - LG TV Service Manual (repair manual). Page 12

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(D) Readjust after confirming the case Pattern or

adjustment condition where the adjustment errors. 

(E) After adjustment is complete, exit the adjustment mode

by  pressing the ADJ KEY.

Adjustment for reduce color difference Main/Sub screen of RF
or Video signal.

(1) Connection the Video Signal Generator(Master) to the TV

AV Input terminal.
After input pattern(Model: 201(NTSC-M), Pattern: 33(100%
color Bar), pressing the ‘Rev’ button and appear as below
figure

(2) After receive signal, confirm the signal receiving.

And Enter the ‘EZ-ADJUST’ by pressing the ADJ Key on
the Service R/C.
Select ‘5. Video(UPD)-Set’ and enter the adjustment mode
by pressing the right key (G ).

(3) When enter the adjustment mode, displayed the TV 2CH

SPLIT Screen automatic at picture and appear as below
figure.

(4) When the automatic adjustment is over, 'RF Configuration

Success’ is displayed. If the adjustment has errors, 'Video
Configuration Error’ is displayed.

(5) After the RF signal automatic adjustment is over, convert

the Video Mode as below figure and adjust with automatic
movement the Video Mode. 
When the automatic adjustment is over, 'Video
Configuration Success’ is displayed. If the adjustment has
errors, 'Video Configuration Error’ is displayed

6. EDID(The Extended Display 

This is the function that enables “Plug and Play".

- RGB

- DVI(128Byte)

- DVI(256Byte)

<Model : 201(NTSC-M), Pattern : 33(100% color Bar)>