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7 Display Performance
This section of the service manual describes the parameters for optimum screen quality.
7-1 Display Area
The display area is the entire area available to display an image. It spans from one edge of the CRT screen
to the other edge.
Width : 250 + 3 mm (5:4 Format), 267 + 3 mm (4:3 Format).
Height: 200 +3 mm.
7-2 Centering
Centering means to position the center point of the display in the middle of the display area. Horizontal
size and position and vertical size and position control the centering of the display.
Adjust the horizontal size and vertical size to their optimal settings: 267 mm (H) x 200 mm (V)
Adjust the horizontal position and vertical position to <4.0 mm of the center point of the screen.
1A-Bl
<40mm.
1C-D1
<4.0mm.
7-3 Distortion
Distortion refers to the geometric shape of the display. The corner angles of the display should be 90
degrees. Adjust the trapezoid, parallelogram and pincushion distortions to below the maximum tolerances.
7-3-1
Trapezoid
7-3-3 Pincushion
1A-Bl
< 20mm
1C-D1
< 20mm
1C111C21<2.0
mm,
1D11,1D21< 2.0mm.
C2
A —
4
|
7-3-2 Parallelogram
2.0 mm
Samsung Electronics SyncMaster 15GLi
7-1
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