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1-20 (No.PA019)
4.4 ADJUSTMENT PROCEDURE
4.4.1 D-ILA COMMON DC adjustment
Note :
Large deviation of this adjustment can cause image flicker.
Residual image or element burn can occur when out of adjustment.
PREPARATION
(1) Connect the PC and the Projector with an RS 232C cable and turn the projector ON.
(2) Boot the SPA software.
(3) Click [Connect] in the Menu Bar and select [Auto Connect] in the pull down menu. Refer to Fig.1.
Fig.1
(4) Press the [DDIC] button in the SPA screen. The DDIC Control screen will be displayed accordingly.
(5) Press [Receive All] at the top right of the screen.
(6) Press [R] at the top left of the screen. Set the following buttons located in the furthest right of the screen as follows: Set
[GINDAT],[SUPDAT],[DCSDAT] to ON, and the rest to OFF. Refer to Fig.2.
Fig.2
(7) In the [DDIC] [Control EVR tag] screen, set the value for DC_R, DC_G and DC_B to 90, respectively. Refer to Fig.2.
(8) Put the photo-sensor at 40 cm away from the surface of the Projector lens (Screen center) and connect the sensor to the
oscilloscope.
Instruments PSA Software for HD2K
Oscilloscope
Photo sensor
REPLACING COMPONENTS
z DD SUB1.2 PWB ASS'Y
z OPTICAL BLOCK
Test point
Adjustment menu < DDIC >
Preparation Running the unit enough before adjustment
(6)Set these
button to ON.
(7)Set to 90.