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P7280/P7270I/P7280 Refresh/P7270I Refresh
Confidential
4-6
- Ref. below table
Note: The defect criteria follows TI specification.
4. Dead Pixel (Bright pixel)
Procedure
- Test equipment: video generator.
- Test signal: analog 1024x768@60Hz.
- Test Pattern: full black
Inspection item
- Bright pixel check.
Note: Frame dimension under operative zone1
inch
Criteria
- Bright pixel is unacceptable.
- Ref. below table
Note: The defect criteria follows TI specification.
5. Dead Pixel (Dark pixel)
Procedure
- Test equipment: video generator.
- Test signal: analog 1024x768@60Hz.
- Test Pattern: full white
Inspection item
- Dead pixels check.
- White pattern (IRE=100)
- Adjacent dark pixel.
Criteria
- The number of the dead pixels should be less or
equal to 6 pixels.
- Adjacent pixel with each other is unacceptable.
- Ref. below table
Note: The defect criteria follows TI specification.
6. Focus test
Procedure
- Test equipment: video generator.
- Test signal: analog 1024 x 768@60Hz
- Test Pattern: full screen or MEME Sony
Inspection item
- Focus check
Criteria
- From screen 1.91 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
Full black
Full white
MEME Sony
Full screen