EH1020
Confidential
4-1
Chapter 4
Function Test & Alignment Procedure
4-1 Service Mode Instruction
(This section links to common
service manual 4-2 Service Mode)
1. Turn on the projector.
2. (1) Press "Power ->Left ->Left ->Menu" button sequentially to get into factory mode 1
(2) Press "Power ->Left ->Up -> Down" button sequentially to get into factory mode 2
3. Factory mode will be shown. After confirming the configuration, press "Exit" to exit.
Order
Symptom
Pattern
Criteria
1
Bright pixes
Gray 10 pattern
A+B=0
2
Dark pixels
White pattern
A=0
B≤2
3
Unstable pixels
Any pattern
A+B=0
4
Adjacent pixels
Any pattern
A+B=0
5
Dark blemish
Blue 60 pattern
A=0
B≤4
(diameter<1 inch)
6
Bright blemish
Gray 10 pattern
A=0
B≤4
(diameter<1 inch)
7
Bright dots on frame
Gray 10 pattern
≤1
Defect specification table
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