-18-
Optical Parts Disassembly
LCD Panel/
Prism Ass’y
Fig.5-1
b
LCD Panel/Prism Ass’y removal
(M2.5x4)x2
(M3x10)
(Bottom side)
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
Adjustment” , “Gamma Adjustment” and “Common Center 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 “Color Shading Correction”.
Summary of Contents for LC-XB42
Page 61: ...61 IC Block Diagrams FA7701 DDC Control IC5751 AN5870 Signal Switch IC5201...
Page 62: ...62 IC Block Diagrams FA7711 DC DC Converter IC5801 FA5502 P F Control IC601...
Page 65: ...65 IC Block Diagrams LM4889 Audio Output IC5031 NJW1156 Audio Control IC5001...
Page 66: ...66 IC Block Diagrams PW190 Scaler IC301 STR Z2156 Power OSC IC651...
Page 67: ...67 IC Block Diagrams TE7783 Parallel I O Expander IC1802...
Page 95: ......
Page 96: ...KG3BC April 2008 Japan 2008 Eiki Internatinal Inc A key to better communications...