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This projector stores " Color shading correction data" and "Gamma correction data" in the memory IC (IC801) on the
MAIN board. Those adjustment 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 us-
ing the software [PROJECTOR SERVICE TOOL v4.20]. By the way, it enables the projector to reproduce the picture
which has properly adjusted color shading correction, gamma correction. For further details, refer to the operation
manual of the software [PROJECTOR SERVICE TOOL v4.20].
Note:
"Color shading correction data" and "Gamma correction data" cannot be read out or wrote in by the software [NVRead-
Write]
2. Adjustment data setting
The NVRedWrite v1.0.0.0, projector service tool v4.20 and serial no. setting tool v1.00 can be down-
loaded from the projector service web site.
3. EDID IC replacement
The serial number is also stored in the EDID memory (IC1051). After replacing the MAIN board, remove it on the privi-
ous MAIN board and replace it on the new board since this data in the EDID memory cannot be rewritten by using
the software.
Servicing Notice