Optoma HD65 Service Manual page 37

5. Dead Pixel (Dark pixel)
Procedure
Inspection item
Criteria
6. Focus test
Procedure
Inspection item
Criteria
7. Color performance
Procedure
- Test equipment: video generator.
- Test signal: analog 1280 x 720@60Hz.
- Test Pattern: full white
- Dead pixels check.
- White pattern (IRE=100)
- Adjacent dark pixel.
- 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.
- Test equipment: video generator.
- Test signal: analog 1280 x 720@60Hz
- Test Pattern: full screen or MEME Sony
- Focus check
- From screen 2.1 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 1080p,1080i
- Test Pattern: Master, In focus II or SMPTE RP-
133
* Please refer to 4-2 to enter service mode. Use
1080i & 1080P signal, master pattern to do
HD65/GT-7000/HD700X Confidential
Full white
Full screen
MEME Sony
Master
4-6