Acer H7530 Series, Service Manual

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Confidential
4-5
H7530/H7530D
Full white
1 pixel is allowed on the frame.
- Adjacent pixels are unacceptable.
- If there is blemish on full black pattern, please
use gray 10 pattern to judge it.
- Ref. Defect specification table
3. Dark Pixel
Procedure - Test equipment: video generator
- Test signal: 1080p/ 60Hz
- Test Pattern: Full white
Inspection item - Dark pixels check
Criteria - The dark pixel should be no more than 5 under
full white pattern.
- Adjacent pixels are unacceptable.
- Ref. Defect specification table
4. Bright Blemish
Procedure - Test equipment: video generator
- Test signal: 1080p/60Hz
- Test Pattern: Gray 10
Inspection item - Bright blemish check
Criteria
- The bright blemish should be no more than 10
under gray 10 pattern.
- Ref. Defect specification table
5. Dark Blemish
Procedure - Test equipment: video generator
- Test signal: 1080p/60Hz
- 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
Gray 10
Blue 60