Sanyo PLC-WL2500A, Руководство по обслуживанию

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● : Adjustment necessary ❍ : Check necessary
Adjustments after parts replacement
Adjustments
disassembly / replaced parts
LCd/
Prism assy
Condenser
lens (Out)
relay
lens (Out)
Polarized glass
Power
board
Main board
r G B
O
p
tic
al
ad
j.
Contrast adjustment
● ● ●
Condenser lens (OUT) adjustment
❍ ●
Relay lens (OUT) adjustment
❍ ●
e
le
ct
ric
al
ad
ju
st
m
en
ts
Fan voltage adjustment
● ●
Panel type check and setting
● ●
Auto calibration adjustment [PC]
❍
Auto calibration adjustment [Component]
❍
Auto calibration adjustment [Video]
❍
Common voltage adjustment
● ●
50% white adjustment [PC]
● ●
50% white adjustment [Video]
● ●
White balance adjustment [PC]
❍ ❍ ❍ ❍ ❍ ❍ ❍
White balance adjustment [Video]
❍ ❍ ❍ ❍ ❍ ❍ ❍
Color shading correction adjustment *
❍ ❍ ❍ ❍ ❍
* To adjust this item, 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 and replacement when the main board is replaced.
- Shipment data setting (Color shading correction, gamma correction)
- Memory IC replacement
●
Shipment data setting
This projector stores "Color shading correction data" and "Gamma correction data" in the flash memory (IC801) 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 IC on the previous main board and write down them into the memory IC on the new main board. By this way,
the projector enables to reproduce the picture which has properly adjusted color shading correction, gamma correc-
tion. For further details, refer to the operation manual of the software [PROJECTOR SERVICE TOOL v4.20].
PrOJeCtOr SerVICe tOOL Cd-rOM v4.20
SerVICe COde: 610 343 5596
●
Memory IC replacement (IC1371)
Memory IC (IC1371) on the main board stores the user control value including lamp used time. When the main
board is replaced with new one, the lamp used time will be reset. To keep the lamp use time, the memory IC should
be replaced with the one on previous main board.