Sanyo PLC-XU45 service manual ⁄01 Gamma Shift adjustment, ⁄11 White Balance adjustment, Adjustment

Electrical Adjustments

⁄01 Gamma Shift adjustment

[PC-GAMMA OFF ADJUSTMENT]

1.Receive the 16-step gray scale computer signal.

2.Set to COMPUTER mode.

3.Enter the service mode, select group no. “2”, item no. “6” and change data value to reproduce the prop- er gray scale picture on the screen.

[AV-GAMMA OFF ADJUSTMENT]

4.Receive the 16-step gray scale video signal.

5.Set to VIDEO mode.

6.Enter the service mode, select group no. “2”, item no. “6” and change data value to reproduce the prop- er gray scale picture on the screen.

⁄11 White Balance adjustment

[PC WHITE BALANCE ADJUSTMENT]

1.Receive the 16-step gray scale computer signal.

2.Set to COMPUTER mode.

3.Enter the service mode, select group no. “2”, item no. “7” (Red) or “8” (Blue), and change data values respectively to make a proper white balance.

[AV WHITE BALANCE ADJUSTMENT]

4.Receive the 16-step grey scale video signal.

5.Set to VIDEO mode.

6.Enter the service mode, select group no. “2”, item no. “7” (Red) or “8” (Blue), and change data values respectively to make a proper white balance.

Confirm that the same white balance is obtained in video and computer input.

NOTE ON WHITE UNIFORMITY

ADJUSTMENT

If you find the color shading on the screen, please adjust the white uniformity by using the proper comput- er and “Color Shading Correction” software supplied separately. The software can be ordered as follows;

COLOR SHADING CORRECTION

Service Parts No. 645 051 2308

-29-