Acer AC 711 Panduan Servis - Halaman 4

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F. WHITE BALANCE ALIGNMENT

F.1.1 Select timing #6 (VESA 68K 1024X768) with crosshatch pattern, adjust both horizontal and vertical

OSD's size control to get display size within 310x232p 2mm.

F.1.2

Disconnect R.G.B. signal inputs, adjust OSD's brightness and G1 control to it's maximum position.

F.1.3 Auto alignment(P103 must be short)

Use automatic alignment equipment and program to get color temperature within specified

coordinates.

F.1.4 Manual alignment

P103 must be short in order to into factory mode. Select OSD function to color temperature

adjustment.

F.1.5 For 9300( 7500 ; 6500 ) color coordinate ( notes: set the minimum value of R.G.B. bias is 0,

F.1.6 Disable the video pattern( for a raster pattern ), set the maximum value of contrast and

F.1.7 Adjust bias G to get Y=1.8

Adjust bias B to get y=297 ( y=315 for 7500 ; y=329 for 6500 )

Adjust bias R to get x=283 ( x=295 for 7500 ; x=313 for 6500 )

F.1.8 Fine tune the bias G and R for x=283 , y=297 ( x=299, y=315 for 7500; x=313, y=329 for

F.1.9 Select 7500 and 6500 color coordinate separately. Repeat item 2.5.5 ~ 2.5.8 to

F.1.10 Adjust brightness control to get raster is <= 0.25cd/mm, change pattern to 2 inch square.

F.1.11 Enable G signal output of pattern generator, adjust gain G to get Y=98

F.1.12 Enable B signal output, adjust gain B to get y=297 ( y=315 for 7500 ; y=329 for 6500 )

Enable B signal output, adjust gain R to get x=283 ( x=299 for 7500 ; x=313 for 6500 )

set the value of sub-contrast "SC" is 0 ).

brightness is 255, adjust G1 to Y=0.01 cd/mm

0.06 cd/mm

6500 )

meet specificity.

1 cd/mm