Acer X1130P Series, Service Manual

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3. PC Alignment Procedure
OSD Default value:
Item Value
Cal R Offset 512
Cal G Offset 512
Cal B Offset 512
Cal R Gain 1024
Cal G Gain 1024
Cal B Gain 1024
YPbPr R Offset 512
YPbPr B Offset 512
Procedure:
Gray Level:
1. Connect power cord, D-sub cable, and pattern generator into projector
2. Light on projector
3. Change Timing and pattern of pattern generator
4. Timing:
For X1130P/X1130PA : 800*600 @60Hz (SVGA)
For X1230PK/
X1230P/ X1230PA/ X1237 : 1024*768@60Hz (XGA)
5. Pattern: pattern 1
6. Press keypad “Resync” to confirm image frame is correct
7. Enter factory mode and select 3rd page in factory mode
8. Set Factory values to default
9. Change Timing and pattern of pattern generator
10. Timing:
For X1130P/X1130PA : 800*600 @60Hz (SVGA)
For X1230PK/
X1230P/ X1230PA/ X1237 : 1024*768@60Hz (XGA)
11. Pattern: As Figure above {A near white color (240,240,240) and a near black color
(16,16,16)}
12. Press “Calibration RGB” to let the black level to just distinguish, and the light output
of white level to just max
13. Check the 32 levels of gray. All steps must appear
14. Done.
White-black pattern