Optoma HD83, Руководство по обслуживанию

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