Belkin DLA-HD2KU, DLA-HD2KE service manual Gamma adjustment

4.4.3 GAMMA adjustment

Instruments	PSA Software for HD2K	REPLACING COMPONENTS
	Excel file for Gamma adjustment	z DD SUB1.2 PWB ASS'Y
	Color-meter (CL-200)	z OPTICAL BLOCK
Test point
Adjustment menu	< DDIC > < Gamma >
Preparation	Completed D-ILA COMMON DC adjustment

„PREPARATION

(1)Open the Black (GAMMAOFF) sheet in the GAMMA adjustment file and click [CONNECT] in the same way as the DC adjustment. Refer to Fig.1.

(2)On completion of the connection, click [MEASURE]. Refer to Fig.1.

(3)On completion of the measurement, click [CONNECT] again to disconnect the system. Refer to Fig.1.

(1)Click

(2),(3)Click

Fig.1

(4)Open the É¡ calculation sheet in the GAMMA adjustment file (GAMMAOFF_1.0_without color compensation). Click [CREATE FILE] near the BK16 cell and save it with an appropriate file name.

(5)Connect the PSA and click [Gamma] on the PSA screen.

(6)Click [CUSTOM] on the Gamma correction screen. Refer to Fig.2.

(7)Right-click on the Gamma curve in the [Gamma Correction] screen to select [Load CUSTOM Data] and then select the file saved in step 3).

(8)Click [RGB Transmit All] on the [Gamma correction] screen. Refer to Fig.2.

(6)Click

(7)Select

(8)Click

Fig.2

(9)Click [DDIC] in the SPA menu and set [GAMDAT] to [ON] as shown in Fig.3. Refer to Fig.3.

(9)ON

Fig.3

(No.PA019)1-23