ViewSonic PJ503D-1 - Page 95

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ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
5-2 Engine Assembly Trouble Shooting Guide
Blue Edge
1.chk lens housing / DMD
housing Assembly
2.chk light pipe assem bly
3.chk C/M assem bly
4,change light pipe clip
5.change light pipe
Dust
Start
Pixel Failure
1.clean DMD chip
2.clean C/M
change projection
lens
Focus NG
Power On
OK
Image Quality
EE
Perform ance
Optical
Perform ance
OK
OK
NG
NG
1.chk CW
2.chk DMD Chip/b
3.chk Main/b
No
No
No
Yes
1.change DMD
2.change DMD/b
3.clean elastom er
Yes
Yes
Yes
light leakage
No
1.chk DMD baffle
2.chk C/M
Yes
NG
System
Trouble
shooting
Guide
Brightness
1.Reset Factory mode, chk DC offset/Gain setup
2.chk DMD chip/b
3.clean projection lens
4.clean C/M
5.clean optical parts
Yes
NG
Uniformity
Contrast
Color
Color
Uniformity
1.Reset Factory mode, chk DC offset/Gain setup
2.chk DMD baffle
3.change projection lens
Yes
1.Reset Factory mode, chk CW delay
2.change CW
3.change projection lens
Yes
1.chk C/M
2.chk DMD
1.chk C/M
2.chk projection lens
Yes
No
Yes
No
No
No
Or check DMD chip socket