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ADJ-3
SECTION 3 ADJUSTMENTS
<LW375/LW335/LB425/LB385/LB355/LB305>
2. Optical Adjustment
Before taking optical adjustments, remove the cabinet top following the "Mechanical Disassembly".
Tools: a hex wrench and a slot screwdriver.
2. 1. Optical center adjustment
[Before]
- Input a 100% white signal.
1. Adjust the condenser lens (OUT) to obtain a completely white screen.
1) In case the shadow appears on the left or right edge of the
screen. Loosen 1 screw A and move the condenser lens unit
right or left to disappear the shadow on the screen. (Fig2-1)
2) In case the shadow appears on the top or bottom edge of the
screen. Loosen 2 screws B and move the condenser lens unit upper
or lower to disappear the shadow on the screen. (Fig.2-2)
2. Tighten screws A and B to fix the condenser lens unit.
Fig. 2-2
Completely
white screen
Completely
white screen
Fig. 2-1
a
b
y
x
x
B
B
y
a
A
b
Do not disconnect connectors on the main board, because
the projector cannot turn on due to operate the
power
failure protection.
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