Question about Samsung HP-R4252 42 in. Plasma HDTV
I have a Samsung HP-R4252 plasma 42in. It worked great for 6 months, with an occasional wierd "Glitch" as I like to call it here and there. The top half of the TV would blink, then turn into a sorta blurry/fuzzy rainbow colored assortment of lines that went side to side, with no visible picture behind them. A solid mass of colors and fuzz. This happened on and off for the next 6 months, and like a dummy I didn't have it serviced. Now that the warranty has expired, it finally blew up. The lines have moved from the top half of the tv, to the lower left corner, and it is constant. The lines run up and down, and side to side, moving with the picture displayed in the section of the screen. Multi-colored and mostly purple, fuzzy and VERY annoying. They are not solid anymore, but almost like a plad pattern you would find on fabric. I have tried everything Samsung told me, besides getting it serviced. I am not affraid to take it apart, as I am a certified computer repair technician and certified Automotive mechanic. By this I mean I know what not to touch. (Capacitors, Transformers, blah blah) If anyone has any suggestions, please let me know. Thanks!
Hi i myself have a problem with my samsaung where the picture is there and sound ect, but the picture is speckerly with colour just like a mesh efect . after sometime the picture will come perfect and stay like that until i switch the tv of . then when switched back on the fault returns any ideas
Posted on Nov 06, 2007
I just had my lower Y-buffer board swapped out to fix a problem similar to yours. After an hour and a half of on-time, the lower half of the screen would flicker on and off with the same appearance you mentioned. Changing out this particular board fixed it for me. However, since it has gone from top to bottom on your set, it may be more of a main board problem for you (that controls both upper and lower halves). Beyond this, I don't know any more. I am considering getting a service manual to gain more knowledge about the various PCBs in the unit so I can fix any future problems myself.
Posted on Aug 27, 2007
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