Sanyo PLC-XL50A, Service Manual

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L
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There are types of LCD Panel/Prism Ass'y for this model. Either L-Type or R-Type LCD Panel/Prism Ass'y is used on the projec-
tor. Check which type of LCD Panel/Prism Ass'y is used with the figure below.
When replacing the LCD Panel/Prism Ass'y, you need to take "Panel Type Check and Setting" on the Electrical Adjustment for
the replaced LCD Panel/Prism Ass'y.
The gamma-characteristics is different between L-Type and R-Type LCD Panel/Prism Ass'y.
R-type LCd Panel/Prism Ass'y L-type LCd Panel/Prism Ass'y
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 Adjust-
ment” , “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 “PROJECTOR SERVICE TOOL”. The software will
be supplied separately and can be ordered as follows;
PRoJECtoR SERVICE tooL Ver. 4.20
Service Parts No. 610 343 5596
Optical disassemblies