Sanyo PLC-XF47, Service Manual

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12
-2
LCD panels removal.
1. Remove 9 screws-A and remove the LCD panels.
Except when there is the necessity for replace, do not remove the LCD panel.
Note :
Do not remove all three LCD panels at the same time. The standard in convergence adjustment runs out
and it becomes not possible to do an adjustment. When exchanging three LCD panels at the same time,
it recommends to exchange every in the Prism/LCD panel unit.
Optical Unit disassemblies
12
-1
Prism/LCD panel unit removal.
1. Remove 4 screws and remove the Prism / LCD panel unit.
(Be careful not to damage the Prism / LCD panel unit with the driver.)
Note :
Prism / LCD panel unit is a precision part. Be sure to han-
dle this part with special attention. Do not drop it or give
it excessive force. It may damage the parts and align-
ment.
Caution :
(1). Do not touch the LCD panel and prism part directly
with hand. Otherwise the optical parts may get dirty.
(2). Since the LCD panel is equipped with CMOS-LSI,
pay attention to static electricity. And do not touch the
electrode of flexible cables.
Prism / LCD panel unit
Prism / LCD panel unit
Do not touch the electrode
of flexible cables.
LCD panel (Blue)
LCD panel
(Red)
LCD panel
(Green)
MPORTANT NOTICE on LCD Panel/Prism Ass'y Replacement
After replacing LCD panel or LCD Panel/Prism ass'y, please check the following adjustments.
- Check the "Optical Adjustment".
- 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.