Optoma HD83 Service Manual page 43

2. Bright Pixel
Procedure
Inspection item
Criteria
3. Dark Pixel
Procedure
Inspection item
Criteria
4. Bright Blemish
Procedure
Inspection item
Criteria
5. Dark Blemish
Procedure
- Test equipment: video generator.
- Test signal: analog 1�20 x 1080�60Hz
- Test Pattern: gray 10
- Bright pixel check.
- Bright pixel should be no more than 1 in the should be no more than 1 in the
active zone; 1 pixel is allowed on the frame.
- Ref. Defect specification table
- Test equipment: video generator.
- Test signal: analog 1�20 x 1080�60Hz
- Test Pattern: full white
- Dead pixels check.
- White pattern (IRE=100)
- The dead pixel is unacceptable on full white pat- The dead pixel is unacceptable on full white pat-
tern in zone A and no more than 2 dark pixels in
zone B
- Adjacent pixels are unacceptable.
- Ref. Defect specification table
- Test equipment: video generator.
- Test signal: analog 1�20 x 1080�60Hz
- Test Pattern: gray 10
- Bright blemish check.
- The bright blemish is unacceptable under gray
10 pattern in zone A and no more than 4
bright blemish in zone B.
- Ref. Defect specification table
- Test equipment: video generator.
- Test signal: analog 1�20 x 1080�60Hz
1�20 x 1080�60Hz �60Hz
in the
1�20 x 1080�60Hz �60Hz
1�20 x 1080�60Hz �60Hz
�20 x 1080�60Hz �60Hz
HD83
Gray 10
Full white
Gray 10
Blue 60
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