Question about Sylvania 6620-LF 20 in. EDTV-Ready LCD Television
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Posted on Jan 02, 2017
SOURCE: Distorted Picture
I don't think that the cable is your problem. Set may have a defective tuner or small signal board. (Tuner is soldered onto the small signal board).
Most likely fix is to find and replace the small signal board with tuner. Should be able to find one for less than $200.
Another thing to try is your video inputs. Use external devices such as a DVD play hooked you using proper video lines and check you inputs. Are they doing the same thing as your cable? If not, then it maybe just a tuner. Some makes and models won't allow you to solder in a new tuner without a full board replacement, but this however may allow you to hookup a VCR with a tuner built in and from VCR to your TV using video input jacks and then programming the VCR tuner to all your cable channels may get your set watchable again without having to tare it apart and replacing a board. However if your input jacks are distorting like the cable channels are, then a small signal board replacement is a must for your set.
Posted on Jan 18, 2009
Won't be worth it screen very expensive. save yourself the trbl and buy a new tv. if you still want to try replacing it try this site.
Posted on Oct 19, 2009
Must change the Signal Tuner board.U well have good video after that.Not than 100% ur LCD Black projection Screen is dead not worth repairing.
Posted on Jan 17, 2010
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