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LG RD-JT40/41 Service Manual
28
2. Engine Assembly Trouble Shooting Guide
A
Image NG?
(Blank)
Yes
No
1.Check DMD board
2.Check color wheel and Sensor board
3.Check DMD conductive elastomers
4.Check Main and Translation boards
Image NG?
(Screen flashing)
No
Yes
1.Check color wheel and Sensor board
2.Check DMD board
3.Check Main and Translation boards
Image NG?
(Screen dimmish)
Yes
1.Check DMD board
2.Check color wheel and Sensor board
No
Image NG?
(Freezing)
Yes
1.Check color wheel
2.Check Sensor board color index signal
No
Image NG?
(Missing column bar)
No
Yes
1.Check DMD holder
Image NG?
(Screen overlap)
Yes
1.Check Main and Translation boards
2.Check DMD board