Sanyo PLC-ET30L, Service Manual

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Optical Adjustment
2. Contrast adjustment
oF
PoL
Lever-K
1
Select the internal test pattern signal "All black" from the projector's menu "Menu -> Setting -> Test pattern".
2
Turn the lever
K
(POL) to obtain the darkest brightness and proper black color uniformity on the screen.
3
Turn the lever
L
(OF) to obtain the darkest brightness and proper black color uniformity on the screen.
Repeat steps to 3 for remaining R and B contrast adjustment.
The adjustment should be taken in order of G-panel, R-panel and B-panel.
This adjustment should be taken in the dark room to adjust precisely.
Lever-L
G-contrast
Adjustment
B-contrast
Adjustment
r-contrast
Adjustment