Test Inspection Procedure - Optoma EP721 Family Service Manual

Defect specification table
Order
1 Bright pixel ( dots)
2 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

Change parts
Update
Version Update
Color Wheel Index
Reset lamp hour
OSD
EDID
Re-write Lamp
Hour Usage
ROD Adjustment
Note: If Color appears abnormal after changing Main Board Module, please do Color Wheel index
adjustment.
Symptom
Main
Firmware
Board
v v
v
v v
v
v
EP721/727/723/728 Family / EW1610 Family
Pattern
Black pattern
( IRE=O)
White pattern
White & Black pattern
White & Black pattern
Blue 60 pattern
Gray 30 pattern
Black pattern
Color Lamp
Wheel Module
v
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)
1
Engine
Module
v
v
Confidential
ROD
Module
v
4-3