Optical Adjustment - Eiki LC-XNS2600 Service Manual

Optical adjustment

Before optical adjustment, please remove the top cabinet refer to the "mechanical disassembly" .
Tools: a 2 mm six angle wrench and socket screwdriver.
Note: due to power failure protection, the projector can not be opened, you do not need to disconnect the
connector on the MAIN substrate.
Optical axis adjustment
[before]
Input a 100% white signal.
1 Adjust the focusing lens (OUT) , so that the screen is white.
1) if there is shadow in left or right of screen as shown in
Figure 2-1, release 2 screws C and D, adjust the focusing
bracket upward and downward until the screen becomes
100% white.
2) if there is shadow in top or bottom of screen as shown in
Figure 2-2, release 2 screws C and D, adjust the focusing
bracket rightward and leftward until the screen becomes
100% white.
2 Tighten the 2 screws C and D to fix fixed focusing lens
(OUT) .
a 100% white b
a
-28-
b
x
100% white
y
x
y