Acer P1100C Series, Service Manual

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P1100C/P1200i/P1200B Confidential
4-6
Full screen
5. Dark Blemish
Procedure - Test equipment: video generator
- Test signal: 1024(H) x 768(V)
- Test Pattern: Blue 60
Inspection item - Dark blemish check.
Criteria
- The dark blemish should be no more than 10
under blue 60 pattern.
- Ref. Defect specification table
6. Focus Test
Procedure - Test equipment: video generator
- Test signal: 1024(H) x 768(V)
- Test Pattern: Full screen
Inspection item - Focus check
Criteria - From screen 2 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.)
7. Color Performance
Procedure - Test equipment: video generator.
- Test signal: 480p, 720p, 1080p
- Test Pattern: Master, 64 gray RGBW or
SMPTE bar
* Please refer to 4-2 to get into service mode. Use
720p & 1080p signal, master pattern to do HDTV
test. Color cannot discolor to purple and blue.
Inspection item - Check if each color level is well-functioned.
- Color saturation
Criteria - 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 unacceptable to have few lines flashing.
- 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
Blue 60
Master
SMPTE BAR
64 gray RGBW