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Black and white, flickering television picture

We have a Samsung (Model HLR 4266W) flat screen tv (not a completely thin television - only the screen). It is an older model as far as tvs go - maybe 2 to 3 years. Recently, usually after bouts of bad weather, our picture looses color and flickers. We turn the set off and later back on and it then appears normal again. Our cable company insists that this problem is with the tv - not them. (We have also been experiencing issues with our internet and digital phone.) The cable Co. admits that the underground cable is bad and replaced it yesterday. (We have not had the tv problem since.) I am wondering if it is possible that the bad cable has been sending its occasional bad signal that then somehow gets stored in the tv until it is turned off and then back on - similar to when a computer freezes from memory overload. Any thoughts? If the cable co. is accurate, can this problem be fixed? We really like the tv and hope not to have to get a new one.

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If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Posted on Mar 09, 2017

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yammy_alf
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SOURCE: RCA 37" FLAT SCREEN NON STOP FLICKERING/FLASHING SCREEN

you need to remove main ckt, (m.board) some part need to re solder specially in hot area. (lost contact i one of the flickering problem you encountered.

Posted on Mar 26, 2010

KingDWS
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SOURCE: When tv is turned on picture flickers really

When it goes black can you see a ghost image? It will be a normal tv picture but very faint black and white looking, you may have to get close and look at an angle to even see it. If so that means your backlight system is failing. If you don;t see an image then it is a problem with the power section of the board inside the tv.

Check if it is covered by warrenty and get a quote if it isn't. A 42 inch is new and big enough that it should still be worth repairing but it may cost you anywhere from $100 to $250 depending on the shop to fix.

Posted on Apr 12, 2010

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