Calibration - Acer X1160' Service Manual

4-7 Calibration

1. YPbPr calibration
Procedure
Check pattern
Inspection item
Criteria
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
- 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.
- Test signal: 480P
- Test pattern: In focus II or 64 grey RGBW
* After finishing ADC adjustment, check 64 gray
RGBW pattern.
- Color sturations
- There should not have any lack of RGBW. The
X1160 Family/X1260 Family Confidential
SMPTE BAR
In focus II / 64 Gray
RGBW
4-7