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Optical Parts Disassembly
Before taking this procedure, remove Cabinet Top and MAIN Board following to the “Mechanical Disassembly”.
Disassembly requires a 2.0mm hex wrench.
LCD panel/
prism assy
Fig.1
1. LCD panel/prism assy removal
*Note on handling the LCD panel/prism assy
Polarized glasses are very sensitive parts.
Never touch or wipe the surface. When removing the
dust on the surface, use a commercial (inert gas) air
spray to remove them.
IMPORTANT NOTICE on LCD panel/prism assy replacement
LCD panels used for this model cannot be replaced separately. Do not disassemble the LCD panel/prism assy.
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 assy at once.
When replacing LCD panel/prism assy, take the optical and electrical adjustments following to the chapter "Adjust-
ment".
1. Remove 4 hex-screw A (M2.5x7.8) to take the LCD panel/prism assy upward
off.
A
A
A
A
There are 2 types of LCD panel/prism assy for this model. Either L-type or R-type LCD panel/prism assy is used on
the projector. Check which type of LCD panel/prism assy is used with the figure below.
When replacing the LCD panel/prism assy, you need to take "Panel type check and setting" on the electrical adjust-
ment for the replaced LCD panel/prism assy.
The gamma-characteristics are different between L-type and R-type LCD panel/prism assy.
How to check the type of LCD panel assy
Check the printed marker on the flat cable of the G-LCD Panel.
GR --> R-type LCD panel/prism assy
GL --> L-Type LCD panel/prism assy
LCD panel type check
GR
GL
L-Type LCD Panel/Prism assy
R-Type LCD Panel/Prism assy
G-Panel
Содержание PT-VW430E
Страница 82: ... 82 IC Block Diagrams IC Block Diagrams ICL3232ECV RS 232C driver IC3801 CXD3551GG E GAMMA IC501 ...
Страница 83: ... 83 IC Block Diagrams CXA3828GL E S H IC561 TLV320AIC3105 Audio control IC5001 ...
Страница 84: ... 84 IC Block Diagrams PW190 Scaler IC301 TB6608FNG IRIS Driver IC601 ...
Страница 85: ... 85 IC Block Diagrams SSC9512S Power Switching IC604 PIC32MX695F512H Netwrok IC8801 ...
Страница 86: ... 86 IC Block Diagrams TPS54286 DC DC converter IC7811 STR A6079 Power switching IC603 ...
Страница 116: ......