1
ELECTRICAL ADJUSTMENT
1. Preparation
<Test equipment and jigs>
. Personal Computer
(Windows P/C, OS: Windows 95/98, ME, 2000, XP)
. Adjustment software:
(SINGO98.exe, DPJAdjustmentTool2.exe)
. RGB cable, Serial control cable (RS232C)
<For Connection and Setting of Personal Computer>
(1) Connection of personal computer
Connect a computer as shown in following Fig.
5-1.
Use supplied serial control cable (RS232C) for
connection.
Fig. 5-1
(2) Adjustment software
. W h e n t h e A d j u s t m e n t s o f t w a r e
(DPJAdjustmentTool2.exe) is started, the
following starting (initial) screen image (Fig. 5-
2) appears.
Fig. 5-2
. Adjustment software (DPJAdjustmentTool2.exe)
operates following adjustments.
a. Initial setting of keystone correction
(KEYSTONE)
b. Initial adjustment of input signal level (SUB)
c. LCD panel drive center voltage adjustment
(VCOM)
d. LCD panel gamma adjustment (GAMMA)
e. LCD panel color shading adjustment
(SHADING)
(Note)
When replacing main PC board, adjustment
procedure of item a to e should be applied.
When replacing LCD panel, adjustment
procedure item c to e should be applied.
(3) Setting of communication (COM) port
Select your computer’s COM port (COM1 to
COM4) from COM port pull-down menu.
(4) Turn on the power of the projector, and make sure
to see the starting (initial) screen disappears.
Control cable
RGB cable
to Control PC
to Signal PC
