Screen Defects; Defect Specification Table - Optoma HD20 Service Manual

Screen Defects

< Figure: Zone A, Zone B & Frame(as green line) Definition,
Active area=Zone A+ Zone B >

Defect specification table

Order
1 Bright pixes
2 Dark pixels
3 Unstable pixels
4 Adjacent pixels
5 Dark blemish
6 Bright blemish
7 Bright dots on frame
Frame
Symptom
HD20/HD200X/HD2200/HD20LV/HD21/HD23
Pattern
Gray 10 pattern
White pattern
Any pattern
Any pattern
Blue 60 pattern
Gray 10 pattern
Gray 10 pattern
Criteria
A+B=0
A=0
B≤2
A+B=0
A+B=0
A=0
B≤4
(diameter<1 inch)
A=0
B≤4
(diameter<1 inch)
≤1
Confidential
4-3