Question about Televison & Video
Hello. I have a Samsung Ln46b550k1fxza TV. Our 3 year old spayed the screen with Windex and I think it dripped down into the bottom lip of the TV. Now we have a dark line running from top to bottom on the left side of the screen. The width of the dark line is about 4-5 inches. Is there anything I can do to fix this?
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Posted on Jan 02, 2017
Vertical hold circuit is failing.
Check capicitor in vertical hold circuit. You should have solid knowledge of electronics repair before attemping repair. TV's can emmit harmful radiation, and produce voltages up to or in excess of 30kV.
Posted on Nov 09, 2008
Please DO NOT attempt to repalce the flyback as mentioned in the earlier posting. There are potentially dangerous voltages (33,000Volts) present there even with the TV unplugged. Your set has a problem with the horixontal circuit that can be as simple as a bad solder connection. I would recommend that you get a detailed repair estimate from a local repair shop BEFORE you attempt any repair. Please note that we can help to guide you through this process, but caution is required.
Posted on Mar 01, 2010
i suggest you doing this
HARD RESET: First, do the hard reset so that if there is a corruption of the soft codes, this will reprogram them back to the original factory settings. Just unplug the power cord for 4 hours; thereafter plug it in and power it up.
WHACKING Test: Smack the set with your hand or fist all around the chassis; side, top, back, etc. This will reactivate any loose connection or cold solder joint.
If the above two procedures do not help you should be thinking about purchasing a new set. This one is already near the end of life and fixint it will just add to the cost of owning it. You will be better off with a new tv.
The cause of this is most likely coming from the convergence function; this circuit organizes the video signal and modulates the picture and the raster sweeps to each other so that the picture is properly assembled on the screen for viewing. When it goes out, the entire picture will be effected.
If smacking the set restores the picture, try to find a magic smack, or put a magazine or book under one corner to see if it will put some torque on the chassis to keep it going.
But, the set is too old to put very much money into its repair.
Hope this helps you find the right solution.
Posted on Mar 19, 2010
On a 32 inch it may not be worth fixing--not going to be a reset etc--base decision on fact that possible repair should not exceed used value of set--which in my view it likely will.
Posted on May 27, 2012
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