R
L
L
There are 2 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. 4.10
Service Parts No. 610 337 8787
- 32 -
Optical disassemblies
Summary of Contents for PLC-XL50
Page 81: ... 81 IC Block Diagrams BA7078 Sync Separator IC5301 AN5870 Signal Switch IC5201 ...
Page 82: ... FA5502 P F Control IC601 HIN202EIB RS 232C Driver IC3801 82 IC Block disgrams ...
Page 84: ... L3E01060 Level Shift IC2501 IC2531 IC2561 M62334 DAC IC3501 84 IC Block disgrams ...
Page 85: ... NJW1141 Audio Control IC5001 PW190 Scaler IC301 85 IC Block disgrams ...
Page 86: ... STR Z2156 Power OSC IC651 86 IC Block disgrams ...
Page 107: ... 107 Integrator Lens In 109 102 107 Mechanical Parts List ...
Page 108: ... 108 103 113 104 111 117 118 108 112 112 107 105 106 108 Mechanical Parts List ...
Page 110: ... 110 ...
Page 111: ... 111 ...
Page 112: ...SM5110903 00 PLC XL50 Dec 2007 DC 350 Printed in Japan ...