-75-
Optical Adjustment
3. Contrast adjustment
Before adjustment :
1
Remove the shutter assy on the prism/LCD panel assy.
2
Select the internal test pattern signal "All black" from the projector's menu "Menu -> Setting -> Test pattern".
Adjustment :
1
Loosen 1 screw
A
on the polarized glass mounting base and 1 screw
C
on the optical filter(HCP) mounting base.
2
Turn the polarized glass mounting base with lever
B
to obtain the darkest brightness and proper black color uni-
formity on the screen.
3
Turn the optical filter(HCP) mounting base with lever
D
to obtain the darkest brightness and proper black color
uniformity on the screen.
4
Tighten the screws
A
and
C
to fix the optical filter and polarized glass mounting base.
Repeat steps 2 to 5 for remaining R and B contrast adjustment.
The adjustment should be taken in order of G-panel, R-panel and B-panel and taken in the darkest room to adjust
preciously.
A
B
D
C
G-polarized glass assy
B-polarized glass assy
R-polarized glass assy
Summary of Contents for LC-XT6
Page 192: ...192 IC Block Diagrams CXD3548 Gamma IC401 CXA7009 S H IC501 IC531 IC561 IC1501 IC1531 IC1561...
Page 193: ...193 IC Block Diagrams FA5501 PFC IC1601 IC1651 HIN202 RS232C Driver IC3801...
Page 195: ...195 IC Block Diagrams AX11005 Network IC8301 TE7783 I O Expander IC1801...
Page 196: ...196 IC Block Diagrams...
Page 204: ...SPL 8 LC XT6 Exploded Views M01 4 M01 5 Lens shift assembly M01 1 M01 3 M01 2...
Page 209: ...SPL 13 LC XT6 Exploded Views Optical filter LC CS L19 Integrator assembly S06 L11 S06...
Page 211: ...SPL 15 LC XT6 Exploded Views Relay lens OUT assembly L06 S06 S06...
Page 212: ...SPL 16 LC XT6 Exploded Views L08 L07 In the Optical unit L15 L15 L05 L22 L14 L13 L21 L09 L10...
Page 213: ...SPL 17 LC XT6 Exploded Views Optical filters assembly Mirror assembly L16 L16 L18 L17...
Page 214: ...SPL 18 LC XT6 Exploded Views Labels W09 W07 W01 W01 W06 W08 W04 W04 W04 W03 W02 W05...
Page 218: ...SPL 22 LC XT6 Mechanical Pats List...