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TV grinding noise

Hi I have a Samsung HLS5687w that makes like a grinding noise coming from the rear of TV It last about 10 to 15 sec. then stops, then it starts back. when it does it the TV screen flickers dim then it goes light momentarily then it dims again. No gray screen, No color distortion, just noise and screen flickering light then it dims. I've changed lamp ballast & lamp. Any input or suggestions would greatly be appreciated Thanx Dee

Posted by dcollins35 on

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Sonny Berry

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A grinding noise in that model usaully means the light engine is defective or it could be the color wheel. But light engine is most suspect as there have been some issues with the light engine assemblies

Posted on May 11, 2008

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2 Answers

The screen color started flashing funny. I turned the TV off. When I turned it back on, it makes a horrible groaning almost grinding noise, on and off, then finally stops trying to do what ever it's trying...


This tv have a colors wheel,it dying,now it dead.Colors flashes black&white and grinding noises,the colors wheel was spinning off of it motor axis and rubbing it sides wall.The colors wheel,now require changing to make the tv work again.The colors wheel it pretty hard to replaced,because it require take out many machanicals parts even can get to the colors wheel to replaced it.Best it to hire a tv tech. to do the job.If u never done or change anythings,that require take out alots and many machanicals parts before.

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You might have the problem with your standby processor on it, that needs samsung technicians.

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Hi, your color wheel needs to be replaced, the bearings fail causing the grinding noise, the new ones use "air bearings" so they are supposed to last much longer, video-tek

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Help


color wheel can make a squealing noise when the bearings go out, or a defective light engine can make a grinding noise.

Jun 11, 2008 | Samsung HLR5067WX 50" Rear Projection HDTV

1 Answer

Grinding Noise


sounds like the light engine there are alot of problems with the light engines and quite a few have had a grinding noise. The only other possibility would be the color wheel. But I would lean heavier toward the light engine being the fault.

Apr 09, 2008 | Televison & Video

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