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Part 2: Repair Information
4.5 LCD Panel/Prism Ass'y Removal
1. Insert the hexial driver into a hole
on the cabinet bottom and loosen
1 screw A on the Prism base.
2. Loosen 2 screws B on the LCD
Panel/Prism ass'y.
3. Pull the LCD Panel/Prism ass'y
upward off from the optical unit.
Note: Do not remove the LCD panels
from the Prism ass'y. Do not
replace the LCD panel
separately otherwise it cannot
obtain proper picture.
CAUTION
IMPORTANT NOTICE on LCD Panel/Prism Ass'y Replacement
LCD panels used for this model can not be replaced separately. Do not
disassemble the LCD Panel/Prism Ass'y. These LCD panels are installed with
precision at the factory. When replacing the LCD panel, should be replaced whole
of the LCD panels and prism ass'y at once.
After replacing LCD Panel/Prism ass'y, please check the following points.
• Check that there is no color shading at the top, bottom, left or right of
the screen. If there is, try to remove the shading following to the
chapter "Optical Adjustment".
• Check the white balance. If it needs the adjustment, adjust the white
balance following to the "White Balance Adjustment", "Gamma
Adjustment" and "Common Centre Adjustment" in the chapter
"Electrical Adjustment".
• Check the white uniformity on the screen.
If you find the color shading at the some part of the screen, it needs to
take the color shading adjustment. This adjustment should be
performed by a computer and it also requires a special software "Color
Shading Correction".
B
Fig. 2-16
2-12
LCD Panel/
Prism Ass'y
A
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