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LG RD-JT40/41 Service Manual
29
Blue Edge
1.chk lens housing / DMD
housing Assembly
2.chk light pipe assembly
3.chk TIR assembly
4,change light pipe clip
5.change light pipe
Dust
Start
Pixel Failure
1.clean DMD chip
2.clean TIR(DMD
side)
change projection
lens
Focus NG
Power On
OK
Image Quality
EE
Performance
Optical
Performance
OK
OK
NG
NG
1.chk CW
2.chk DMD/b
3.chk Main/b
4.chk TR/b
No
No
No
Yes
1.change DMD
2.change DMD/b
3.clean elastomer
Yes
Yes
Yes
light leakage
No
1.chk DMD baffle
2.chk TIR
Yes
NG
System
Trouble
shooting
Guide
Brightness
1.Reset Factory mode, chk DC offset/Gain setup
2.chk DMD/b
3.clean projection lens
4.cleanTIR
5.clean optical parts
YesNG
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 TIR
2.chk DMD
3.chk DMD/b
1.chk TIR
2.chk projection lens
Yes
No
Yes
No
No
No