P5271/P5290/P5390W/P5271i
Confidential
4-3
Order
Symptom
Pattern
Criteria
1
Bright pixel (dots)
Gray 10 pattern
A+B≤1
2
Dark pixel (dots)
White pattern
A+B ≤ 6
3
Bright blemish
Gray 15 pattern
A+B ≤ 10
4
Dark blemish
Blue 60 pattern
A+B ≤ 10
5
Bright dot on frame
Gray 10 pattern
≤ 1
6
Unstable pixel
White & Black pattern
A+B ≤ 1
7
Adjacent dark pixel
White & Black pattern
A+B = 0
4-6 Test Inspection Procedure
Update
Change parts
Main
Board Firmware
Color
Wheel
Lamp
Module
Engine
Module EDID
Lamp
Driver
Lamp
Blower
Version Update
v
v
v
Color Wheel Index
v
v
PC Calibration
v
v
Reset Lamp Hour
v
OSD Reset
v
v
EDID
v
Re-write Lamp
Hour Usage
v
Reset Default
Language
v
v
v
Rod adjustment
v
Waveform Download
(for P5271/P5271i)
v
Restore Blower Speed
v
v
v
Note: - If Color appears abnormal after changing Main Board Module, please do Color Wheel index
adjustment.
- After changing parts, check the information above table.
Defect specification table
