Electrical Adjustments; Adjustments After Parts Replacement (Electrical Parts) - Sanyo PLC-XF47 Service Manual

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
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;
Disassembly / Replaced Parts
Unit_
Unit_
SW
Poerw
sub-
Power
board
Power
(25V)
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PROJECTOR SERVICE TOOL Ver. 4.10
Service Parts No. 610 337 8787
- 84 -
● : Adjustment necessary ❍ : Check necessary
CG
Unit_ Unit_ Main
Mother
P.F.C Ballast Board
Board
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●
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●
❍
❍
❍
5BNC Other
Board Board
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