Acer X1160 Serie, Service Manual

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X1160 Family/X1260 Family Confidential
4-7
right sides should not over 8 color levels.)
- Grey level should not have abnormal color or
heavy lines.
- The PC mode functionally sure be workable
include support format with frequency and auto
detected functional will be workable
4-7 Calibration
1. YPbPr calibration
Procedure - Test equipment: video generator.
- Once main board is changed, YPbPr calibration
should be done as well.
(1) Test signal: 480P
(2) Test Pattern: SMPTE BAR
- Note
(1) Calibration pattern should be in full screen
mode.
(2) Please refer to 4-2 Guide to get into Service
Mode and OSD Reset.
(3) Choose and access YPbPr Calibration for
correction in service mode. Choose “menu”
to leave the service mode after all.
Check pattern - Test signal: 480P
- Test pattern: In focus II or 64 grey RGBW
* After finishing ADC adjustment, check 64 gray
RGBW pattern.
Inspection item - Color sturations
Criteria - There should not have any lack of RGBW. The
SMPTE BAR
In focus II / 64 Gray
RGBW