Integrator Lens Adujstment - Canon LV-7105 Service Manual

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3.2 Integrator Lens Adujstment

[Before adjustment]
• Adjustment requires a 2.0mm hex driver and a slot screwdriver.
• Remove cabinet top following to "Mechanical Disassemblies".
Do not disconnect the connectors on main and component boards
CAUTION
otherwise the projector can not be turned on.
[Adjustment]]
1. Turn on lamp by a state of without FPC cable of LCD panels.
2. Project only green light component. Shield the red and blue lights by inserting thick
papers etc. in front of Red and Blue LCD panels to project only green light and make
a fine focus.
3. Remove the shield in front of Red LCD panel to project green and blue light.
4. Adjust the adjustment base of integrator lens ass'y to make color uniformity in
yellow.
1) If the color shade appears on the left or right of the screen as shown in Fig.3-13,
loosen 1 screw A with the 2.0mm hex driver and adjust a slot
uniformity in yellow by turning a slot screwdriver.
2) If the color shade appears on the top or bottom of the screen as shown in Fig.3-
14, loosen 2 screws
color uniformity in yellow by turning a slot screwdriver.
A
5. Tighten 1 screw
6. Remove the shield in front of Blue LCD panel and project red, green and blue light.
Check that there is no color shade on the left or right of the screen. If you recognise
the color shade, the "Relay Lens Adjustment" should be carried out to obtain the
proper color uniformity.
C
with the 2.0mm hex driver and adjust a slots
C
and 2 screws
to fix the integrator lens unit.
3-17
Part 3: Adjustment
B
to make color
D
to make

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Lv-7105uD78-5132Lv-7105eD78-5133

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