-50-
●
: Adjustment necessary
❍
: Check necessary
Adjustments after Parts Replacement
Adjustments
disassembly / replaced Parts
Lcd/
Prism ass’y Lcd Panel
optical
Parts
Main board
Power
board
Power
(dc) board
Fans
sensor
(s901)
o
p
tic
al
a
d
ju
st
m
en
t
Optical center adjustment
●
PBS adjustment
●
Contrast adjustment
●
●
●
Back focus adjustment
●
●
Convergence adjustment
●
e
le
ct
ric
al
a
d
ju
st
m
en
ts
+6V adjustment
●
AV video signal adjustment (Y)
●
AV video signal adjustment (C)
●
LCD panel L/R setting
●
Fan driving voltage adjustment
●
●
●
Gain adjustment 1 (PC)
●
Gain adjustment 2 (Composite)
●
Gain adjustment 3 (Component)
●
Common center adjustment
●
●
●
Gamma shipment adjustments*
❍
❍
●
Color shading correction adjustment*
❍
❍
❍
●
White balance adjustment
❍
❍
❍
●
Wind sensor calibration
●
●
●
*
To setup or adjust those items, the Projector Service Tool v. 4.20 software is needed. Refer to the owner's manual for this
software for the further details.
Note on Main Board Replacement
Take the following setting when the main board is replaced.
- Shipment data setting (Color Shading Correction, Gamma Shipment)
- Serial No. Setting
adjustment ship data setting
This projector stores "Color Shading Correction Data" and "Gamma Data" in the flash memory (IC1861) and memory
(IC302/IC802) on the main board. Those shipping data have been setup according to the optical characteristics of
the mounted LCD panels preciously in the factory. When replacing the main board, you need to read out the those
setting data stored in the memory ICs on the previous main board and write down them into the memory ICs on the
new main board. By this way, the projector enables to reproduce the picture which has properly adjusted color shad-
ing correction, gamma correction. For further details, refer to the operation manual of the software [PROJECTOR
SERVICE TOOL v4.20].
those software are included in the service cd-roM listed below;
ProJector serVice tooL cd-roM v4.20
serVice code: 610 343 5596
