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Optical adjustments
Before Adjustment
CAUTION:
When remove the BGA unit and adjust optical components, turn on a projector in the procedure shown below. (In
normally turn on, If the BGA unit is removed, the power supply circuit will be shut down and it may result in mal-
function of a projector.)
(1) "MAIN SWITCH" off.
(2) Remove the BGA unit.
(3) Press the "AUTO PC ADJ." button and "MAIN SWITCH" on the projector simultaneously and hold for 5 seconds.
The "LAMP" and "READY" LEDs indicate.
(4) Press the "POWER ON-OFF" button, the projector is turned on.
(5) To turn off the projector
"MAIN SWITCH" off. (Can not turned off the projector, even if press the "POWER ON-OFF" button.)
1. Each adjustment requires ball allen wrenches and slot screwdrivers.
2. Set the motorized lens shift to the center position (horizontal and vertical) with Lens Shift Button.
Lens shift arrow on screen turns red at center of lens shift.
3. When adjusting optical components, using Standard Zoom Lens (LNS-S03) is recommended.
4. Display adjustment grid pattern is in service mode. For setting service mode, refer to "Service adjustment
menu operation".
a) Set the projector to "service mode."
b) Select Group no. 998-0.
c) Press Point LEFT/RIGHT buttons, and each color grid pattern is displayed.
d) Press Point LEFT/RIGHT buttons serval times to quit the grid pattern mode. Press Power On-OFF button to
quit service mode.
5. When adjusting the Integrator Lenses and Prism PBS, remove the flexible cables of the LCD panels from the Main
board.
6. When adjusting lenses of the Relay and Condenser, follow the following procedure.
a) Remove the BGA board unit and remove the three flexible cables of the LCD panels from the Main Board.
(Do not touch the electrode of flexible cables.)
(To remove the BGA board Unit and remove the Main board following to the Mechanical disassemblies.)
b) As shown in a figure below, set the Main board to the upright position.
CAUTION: Do not short Main board with the chassis. Protect Main board with isolation materials from shorting.
A
Fig.52a
CAUTION: When adjusting the optical components,do not insert any materials into the optical block for blocking
the light. Or the optical block may be damaged by overheating or scratching the parts.
A
A
A
Open upper way.
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Main board
Fig.52b
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