3-8
Part 3: Adjustment
2.7 White Balance Adjustment
Input signal ...........................16-step gray scale
Enter the service mode.
Adjust white balance in computer and AV input modes with the VOLUME +/- button.
Item No. Input mode
17, 18 Computer
17, 18 AV (NTSC)
(17: Red; 18: Blue)
Select each item alternately and adjust white balance with the VOLUME +/- button.
2.8 Contrast Linearity Adjustment
Input signal ...........................16-step gray scale
Enter the service mode.
Check gradation at bright and dark 16-step gray scale areas. If it darkens, adjust it
with the VOLUME +/- button.
Item No. Input mode
16 Computer
16 AV (NTSC)
2.9 Color Shading Correction
If you find color shading on the screen, perform color shading correction. To do this,
use a proper computer and "Color Shading Correction" software.
The software is supplied with this service manual.
* This model (LV-X1) does not need optical adjustments.
Replace the following units:
PART NO.
YG7-0173-000 LENS ASS'Y
YG7-0175-000 BASE, OPTICAL BLOCK
DY5-0065-000 PRISM/LCD ASS'Y
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