LG RU-44SZ51D Ragged Black Stripe down Left Side of Screen and Grainy Picture
My tv just started looking grainy and "unsharp" and has a strange shadow "stripe" only on the left side of the screen. it is not uniform like a bar, it is more like a long thin triangle thick at bottom and comed to a point near the top of the screen. It is black, but translucent since I can see the image through it. It is even there when I turn the tv off while the bulb cools, but when the light goes out you cannot see it on the screen.
I came looking for a solution to the same prob but on the right side of the screen, i did take out the lamp which is on the right (looking at it) you need to undo two screws on the case and two on the unit and just pull it out, and i found quite a bit of ash there,almost like ciggy ash, i cleaned it out but problem is still there, so if i find a solution i will repost and would like to hear from you if you find one many thanks adders
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Check the ribbon cables in side the TV that connect to the panel. They are the left side looking at the back. Make sure they are all seated propporly. If that does not fix, then your Upper Y Buffer board needs to be replaced.
Is it an LCD or DLP? The Model below suggests it is an DLP. Sounds as if you have the dreaded light tunnel collapse common to all LG DLP TV's. Inside the light engine there is a square tube made up of four mirrors. These mirrors deform and crack with the heat of the lamp. They fall down over the light aperture and cause a shadow of varying degrees. It is fixable now at a realistic price ( used to have to replace engine) as LG have made the parts available. It would take a competent tech around three hours to complete or if you are technically minded you could do it yourself. I hope this helps. Good Luck.