Panasonic PT-LB10NTU Service Manual page 32

8.4.3. Adjustment Procedure
Prepare 2 pieces of thick black paper (23 mm × 100 mm) that can be shaded.
- Cover and shade LCD panels with the paper except the panel for
adjustment.
8.4.3.1. When replacing every LCD panel or LCD block
1. Display the green crosshatch pattern and adjust the lens focus.
2. Adjust focus by shifting the panel adjuster for LCD panel (G) back
and forth, then tighten the 2 screws.
3. Display green and blue crosshatch patterns.
4. Adjust the LCD panel (B) position so that the vertical center of
blue crosshatch pattern is overlapped with the vertical center of
green crosshatch pattern.
5. Adjust the LCD panel (B) position so that the horizontal center of
blue crosshatch pattern is overlapped with the horizontal center
of green crosshatch pattern.
6. Correct the tilt of the blue crosshatch pattern by adjusting the
LCD panel (B) position.
7. Adjust the LCD panel (R) position similarly.
8. Display green, red and blue crosshatch patterns and confirm the
convergence. If it is necessary, fine adjust the convergence so
that the red and/or blue crosshatch pattern is overlapped with
green one.
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