The menu screen is stable but when I input video or r.f. it is wobbles and the quality is poor
SOURCE: samsung hlr5667w green screen issue
how surprising !!! I have the exact same problem with my samsum hl-r5667 which I've had since 2006. This issue happenened after moving my tv from my old to my new apartment. I read some where else that the problem could be secondary to a mulfunction of the twin-tuner. I'm not even sure whether our tv set has this twin-tuner model, but if it does then the main tuner which provides the main screen may be damagned, but the second tuner (PIP) is still ok. I don't know how to repair this, but I just read it and thought it could be useful for you too.
SOURCE: samsung hl-r7178w has green video and vert. lines
Hi,sounds like It could be the DMD board.This is how the DMD board works: http://electronics.howstuffworks.com/dlp1.htm Basically when that Dmd chips starts to fail that's what you'll get color discoloration vertical lines, white spots.You will need to replace the dmd only you can find it on ebay,samsung,or shopjimmy.com God bless you!
SOURCE: Need to reset the Lamp counter.in my Samsung HLR5667W
here you go here is this web site where you can see how to reset your lamp
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