Test Inspection Procedure - Optoma EP720 Family Service Manual

Defect specification table
Order
 Bright pixel ( dots)
 Dark pixel(dots)
3 Unstable pixel (dots)
4 Adjacent dark pixel (dots)
5 Dark blemish (Dirty)
6 Bright blemish (Dirty)
7 Bright dot on frame

4-5 Test Inspection Procedure

Charge parts
Update
Version Update
Color Wheel Index
Reset lamp hour
OSD Reset
EDID
Re-write Lamp
Hour Usage
Rod Adjustment
Note: If color appears abnormal after M/B is changed, please do color
wheel index adjustment.
Symptom
M/B FW
v v
v
v v
v
v
Pattern
Black pattern
( IRE=O)
White pattern
White & Black pattern
White & Black pattern
Blue 60 pattern
Gray 30 pattern
Black pattern
Color Wheel Lamp Module
v
EP720 Family/EP726 Family
Criteria
A+B=0
A+B≤3
A+B≤1
A+B=0
A+B≤4
(diameter <1/2 inch)
A+B≤4
(diameter <1/2 inch)

Engine
Module
v
v
Confidential
4-3