Canon LV-7545U, Service Manual

Page: 41 / 130

Part 2: Repair Information
2-16
5. LCD PANEL/PRISM ASS'Y REPLACEMENT
5.1 LCD Panel/Prism Ass'y Replacement
1. Remove the cabinet top and main
board according to "Service:
Mechanical Disassemblies".
2. Remove 4 screws by using the 2.0
mm hex driver and take the LCD
Panel/Prism ass'y off upward from
the optical unit.
Install the LCD Panel/Prism ass'y in
the reverse order of removal.
Important note on LCD panel/prism ass'y replacement
LCD panels used for this model cannot be replaced separately. These LCD
panels/prism ass'ies are adjusted with precision at the factory. When replacing the
LCD panel, whole of the LCD panels and prism ass'y should be replaced at once.
After replacing LCD Panel/Prism ass'y, please check the following
adjustments.
• Perform the Condenser Lens Adjustment, Relay Lens Adjustment,
White Balance Adjustment and Common Center Adjustment.
• Check the white uniformity on the screen.
If you find the color shading, please adjust the white uniformity by
using the proper computer and "Color Shading Correction" software
attached with this manual.
CAUTION
Fig. 2-24
LCD Panel/Prism
Ass'y
Note:
Do not remove the LCD
panel separately, otherwise
it cannot obtain proper
picture.