Question about Samsung HLN5065W 50" Rear Projection HDTV-Ready Television
I have a hln5065 that i recently bought used had to put a color wheel in it worked fine for a month or two. recently while watching a dvd on dvi input the color got wierd red clouding and eventually tv just cut out color wheel still spinning and fans still spinning but no contorls no picture no volume. controls wont do anything unplugged replugged turned on samething red clouding and pixelation. then red verticle lines then cut out but wheels still spinning. unplugged switched to svideo for cable box no problems worked all day only problem with that which i have noticed since i got it is pure red backgrounds or blue back grounds i can see verticle bars ghost like swaying back and forth about 1/4 inch. im pretty sure that its a dmd failure but looking for some expert advise before i go spending more money.
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Posted on Jan 02, 2017
Pix looks like a light pipe issue, inside the Light Engine. as far as the shutting down, could be a bad fan causing the grinding and when stopps the DMD turns the set off.
Posted on Jul 17, 2007
Everybody here seems to have basically the same problem so I will write a general fix for these Samsungs. First what you got is known as Convergence failure, A Ic or resistor, fuse or some other component has failed in the convergence circuit. So finding the service menu and trying to align the colors or spinning magnets on the CRT’s or a real bad idea of tipping a CRT or mirror would be the equitant of ripping the transmission out of your car because it had a flat tire. When the convergence fails no adjustment will bring it back, and if you do one of these stupid things then you have two problems. Now most of these Samsungs have an easily replicable board that all the convergence amplifiers are on. This can be found by removing the back and seeing if there is a board about 9 X 5 inches big and mounted to the CRT mounts, there will be 5 connector to this board. Now if your set does not have this board and instead has the two convergence Ic’s (these are about the size of a playing card and have the numbers STK392-040 on them) mount down on a board below and to the right ( this is known as the deflection board) this repair will not work for you. Instead you will need to component level repair the convergence circuit. But if you do have this separate convergence board the repair is fairly straight forward. Go to www.vancebaldwin.com or some other supplier and order BP95-00142E this is the convergence board. This board has been crossed several times through the years but this is the current version. Now once you get this board simply replace it making sure to get al the connector back in there original spot. The fire up the set and run Flash focus and for about 95% this will fix the set
Posted on Feb 13, 2008
SOURCE: DMD Board failure on Samsung DLP
Posted on Feb 02, 2009
You are absolutely correct, When anyone complains of vertical lines or bars, the next step is to see if it happens on only digital inputs ( digital board ) , only analog inputs ( analog board ) , or both ( DMD board ) .
Analog board can be purchased at www.partstore.com ,
Posted on May 24, 2009
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