Sanyo PLV-Z4000 Service Manual page 36

Optical disassemblies
Panel type check
There are 2 types combination of the LCD Panel/Prism Ass'y and the optical unit, named Type-L and Type-R.Since both have no
compatibility, each type should be combined with the same type, and the specificparts should be used. If not, the poor optical
characteristics may degrade the quality of a projected image.
Lcd panel / prism ass'y (type-r)
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 adjustments.
- Check the "White Balance Adjustment" and "Common Center Adjustment" following to chapter "Electrical
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 "Projector
Service Tool" software supplied separately. The software can be ordered as follows;
Projector Service tool Ver. 4.10
Service Parts No. 610 337 8787
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Lcd panel / prism ass'y (type-L)