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LG

To adjust the geometric parameters of the image is fed to the antenna input on the TV with the TV signal generator signal "test pattern".

Adjust alignment horizontally

Select an option H-CENTER and change its value to align the center of the image horizontally to the geometric center of the tube screen. To save your selections click OK.

Adjust the vertical alignment

Select an option V-CENTER and change its value to align the center of the image vertically with the geometric center of the screen.
Then click the OK button.

Adjust the vertical linearity

Select an option V-LIN and change its value in order to achieve the same size of image details at the top and bottom of the screen. To save your selections click OK.

Adjust the vertical size

Select an option V-AMP and regulate its value to align the size of the image vertically with the geometric size of the screen. To save your selections click OK.

Adjust Size and distortions "parallelogram"

2
Х Install a 100% contrast and the brightness and color saturation - no more than 50%;
Х variable resistor VR404 (located on the main board of the TV) set the desired size of the image horizontally;
Х variable resistor VR403 (located on the main board of the TV) are making parallel vertical bands of the image and the screen vertically.

adjustment of the accelerating voltage, and white balance

Х Press and hold the MIX button on the remote control in service mode until the screen horizontal light line;
Х Rotate the knob SCREEN on line transformer counter-clockwise until it stops. The line on the screen to disappear;
Х Rotate the knob SCREEN on line transformer clockwise until the display light horizontal lines;
Х press the SWAP button on the remote control to return to TV in service mode;
Х fed to the antenna input of the TV signal, "grayscale";
Х set the brightness and contrast to a position close to the maximum, and adjust the parameters of G-GN and B-GN, so that the screen image without colors;

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