Optoma HD21 - Page 38

Condential
4-6
HD20/HD200X/HD2200/HD20LV/HD21/HD23
3. Dark PixelDark Pixel Pixel
Procedure - Test equipment: video generator.
- Test signal: analog 920 x 1080@ 60HZ1
- Test Pattern: full white
Inspection item - Dead pixels check.
Criteria - The dark pixel is unacceptable in zone A and
no more than 2 in zone B under full white pattern.
- Adjacent pixels are unacceptable.
- Ref. Defect specication table
4. Bright Blemish
Procedure - Test equipment: video generator.
- Test signal: analog 1920 x 1080@60Hz.
- Test Pattern: Gray 10
Inspection item - Bright blemish check.
Criteria - The bright blemish is unacceptable in zone A and
no more than 4 in zone B under gray 10 pattern.
- Ref. Defect specication table
5. Dark BlemishDark Blemish
Procedure - Test equipment: video generator.
- Test signal: analog 1920 x 1080@60Hz.
- Test Pattern: blue 60
Inspection item - Dark blemish check.
Criteria - The dark blemish is unacceptable in zone A and
no more than 4 in zone B under blue 60 pattern.
- Ref. Defect specication table
Blue 60
Gray 10
Full white