Acer X1160' Service Manual page 68

6. Focus test
Procedure
Inspection item
Criteria
7. Color performance
Procedure
Inspection item
Criteria
- Adjacent pixel with each other is unacceptable.
- Ref.Defect specification table
Note: The defect criteria follows TI specification.
- Test equipment: video generator.
- Test signal: analog 1024 x 768@60Hz
- Test Pattern: full screen or MEME Sony
- Focus check
- From screen 1.5 M via visual to check the focus,
look at the entire screen, focus shall be clear,
crisp, and sharp over the entire surface of the
display pattern. (Blur word on one of the corner
after adjustment is acceptable. However, the
word should at least be recognizable.)
- Test equipment: video generator.
- Test signal: DVI (HDMI) 720p,1080i
- Test Pattern: Master, In focus II or SMPTE
RP-133
* Please refer to 4-2 to get into service mode.
Use 720P & 1080i signal, master pattern to do
HDTV test. Color cannot discolor to purple and
blue.
- Check if each color level is well-functioned.
- color saturations
- Screen appears normal. It should not have any
abnormal condition, such as lines appear on the
screen and so on.
- Color appears normal.
- It is acceptable to have few lines flashing at the
center and on the edge of 1080i image. How-
ever, rest of the image should appears stable.
- RGBW should all appear normal on the screen
and sort from R -G-B-W.
- Color levels should be sufficient and normal.
(the unidentified color levels on both left and
X1160 Family/X1260 Family Confidential
Full screen
MEME Sony
Master
InFocus II
/ 64 gray RGBW
SMPTE RP-133
4-6