Adjustments; Adjustments After Parts Replacement; Note On Main Board Replacement - promethean PRM-30A Service Manual

Adjustments

Adjustments after Parts Replacement

Contrast Adjustment
Condenser lens adjustment
Relay lens-out adjustment
Fan voltage adjustment
Panel type check and setting
Auto calibration adjustment [PC]
Auto calibration adjustment [Component]
Auto calibration adjustment [Video]
Common center adjustment
50% white adjustment [PC]
50% white adjustment [Video]
White balance adjustment [PC]
White balance adjustment [Video]
Color shading correction adjustment *
* T o adjust this item, the Projector Service Tool v. 4.0 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.
- S hipment 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 cor-
rection. For further details, refer to the operation manual of the software [PROJECTOR SERVICE TOOL v4.0].
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.
disassembly / Replaced Parts
LCd/ Condenser
Prism Ass'y Lens (Out) Lens (Out)
❍ ●
❍
●
●
●
●
❍ ❍
❍ ❍
❍
-5-
● : Adjustment necessary
Polarized Glass
Relay
R G B
● ● ●
●
❍ ❍ ❍ ❍
❍ ❍ ❍ ❍
❍ : Check necessary
Power Main
Board Board
● ●
●
❍
❍
❍
●
●
●
❍
❍
❍