Acer S5301WB, S5201B service manual PC Alignment Procedure

3.PC Alignment Procedure

Equipment:

-Pattern generator (Chroma-2337) OSD Default value:

Item	Value
Cal R Offset	512
Cal G Offset	512
Cal B Offset	512
Cal R Gain	637
Cal G Gain	637
Cal B Gain	637
YPbPr R Offset	512
YPbPr B Offset	512

Procedure:

Gray Level:

1.Connect power, D-sub, into projector.

2.Change Timing and pattern of pattern generator:

3.Timing: 1024*768 @60Hz (XGA)

4.Pattern: As Figure1 {A near white color (240,240,240) and a near black color(16,16,16)}

5.Light on projector

6.Set user OSD values to default.

7.Enter factory mode.

8.Set Factory values to default.

9.Press “Calibration RGB” to let the black level to just distinguish, and the light output of white level to just max.

10.Check the 32 levels of gray. All steps must appear.

11.Calibrate Dsub_1 only .( Dsub_2 follows Dsub_1 )

White-black pattern

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