Acer X1161 Service Manual page 60

Check pattern
Inspection item
Criteria
3. G Sensor Calibration
Procedure
buttons sequentially to get into Service Mode.
(3) Choose "Analog Settings", press "Menu" button
to access "Video Calibration for" correction in "
Service Mode. Choose "Exit" to leave the
Service Mode.
- Test signal: 480i
- Test pattern: In focus II or 64 grey RGBW
* After finishing ADC adjustment, check 64 gray
RGBW pattern.
- Color saturation
- There should not have any lack of RGBW. The
color should appear normal and sort in right order.
- Color levels should be sufficient and normal. (the
unidentified color levels on both left and right sides
should not over 8 color levels.)
- Test equipment: video generator
- Once Main Board is changed. G Sensor Calibration
should be done as well.
- Please put the Projector on a horizontal surface.
- Note
(1) Calibration pattern should be in full screen
mode.
(2) Please press "Power", "Left", "Left" and "Menu"
buttons sequentially to get into Service Mode.
(3) Choose and access "G Sensor Calibration" for
correction in Service Mode.
X1161/X1261 Confidential
InFocus II
/ 64 gray RGBW
4-