Optoma EP783 Service Manual page 52

Inspection item
Criteria
3. Dark Pixel
Procedure
Inspection item
Criteria
4. Bright Blemish
Procedure
Inspection item
Criteria
5. Dark Blemish
Procedure
Inspection item
Criteria
- Test signal: analog 1024 x 768 @60Hz
- Test Pattern: Any pattern
- Bright pixel check.
- Bright pixel is unacceptable
- Adjacent pixels are unacceptable.
- Ref. Defect specification table
- Test equipment: video generator
- Test signal: analog 1024 x 768 @60Hz
- Test Pattern: Any pattern
- Dark pixels check.
- The dark pixel should be no more than 4
- Adjacent pixels are unacceptable.
- Ref. Defect specification table
- Test equipment: video generator
- Test signal: analog 1024 x 768 @60Hz
- Test Pattern: Gray 10
- Bright blemish check.
- The bright blemish should be no more than 4
- Ref. Defect specification table
- Test equipment: video generator
- Test signal: analog 1024 x 768 @60Hz
- Test Pattern: Blue 60
- Dark blemish check.
- The dark blemish should be no more than 4
- Ref. Defect specification table
EP783/EP783S/EP783L/OPX5000/TX783L/TX783S Confidential
Gray 10
Blue 60
4-5