●
:
Adjustment necessary
❍
: Check necessary
Unit_
SW
Power
(25V)
Poerw
board
Unit_
sub-
Power
Unit_
P.F.C
Unit_
Ballast
Main
Board
CG
Mother
Board
5BNC
Board
Other
Board
- 84 -
n
Electrical Adjustments
●
Adjustments After Parts Replacement (Electrical Parts)
Electrical Adjustments
Voltage adjustment
●
●
AV video signal adjustment
●
Fan driving voltage ajustment
●
●
●
Gain ajustment 1 (PC)
●
Gain ajustment 2 (Composite)
●
Gain ajustment 3 (Component)
●
Common center ajustment
●
Gamma, White balance, White uniformity
❍
Color shading correction
❍
LCD panel L/R change
❍
Disassembly / Replaced Parts
Note ;
Read/Write of LCD panel gamma data when Main Board replacing.
The gamma adjustment data of each LCD panel has been adjusted preciously to much each LCD panel characteristics at
factory.
When you replace the Main Board, you need to read out the gamma data stored in the memory IC on the previous board
and write down the gamma data into the memory IC on the new board. By this way, the projector is enabled to repro-
duce the picture which has the properly adjusted gamma characteristic.
Use "PROJECTOR SERVICE TOOL" for Read / Write of the gamma data as follows;
PROJECTOR SERVICE TOOL Ver. 4.10
Service Parts No. 610 337 8787
Содержание PLC-XF47
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