7.4.3 Adjustment Procedure
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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.
7.4.3.1 When replacing single LCD panel (R, G or B)
● The procedure is described as an example when LCD panel (B) is replaced.
1. Display the green crosshatch pattern and adjust the lens focus.
2. Display green and blue crosshatch patterns.
3. Adjust focus by shifting the panel adjuster for LCD panel (B) back and forth, then tighten the
2 screws.
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. 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.
8. After the adjustment, reassemble the projector according to the section 6.13. "Replacement of
LCD Panel".