Question about Samsung Televison & Video
Todays TV repairers can only replace entire boards
the right question to ask is
does LCD as a company provide after sales parts for your TV
or their board circuitry information to TV repairers or the general public
you may find LCD have no parts support
TV makers only want sales of the new TV produced
otherwise an oscilloscope and lots of time is required to track down the faulty diode or capacitor or micro processor
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Posted on Jan 02, 2017
I would start looking at the power supply, it's usually a separate board where the a/c line plugs into. In many cases i have seen that the problem you described is from a damaged power supply, sounds like something is shorting causing the power supply to continuously come on and off. I would first check the capictors to see if any of them have blown, usually cylinder looking and sometimes you'll see an X or a K at the top of the cylinder, if it's blown then the top will be bulging out instead of being flat. If all those look good then there is probably a short somewhere else like in one of the transistors, if so you'd be best to just find another power supply board to replace.
Posted on Nov 09, 2007
The old saying that a pictures is worth a thousand words could have been looking at this one... If the lower screen had been streaked in B&W or bands ran completely through the picture Old Drummer I would suspect the logic board also but that's lower y-board failure.
Posted on Nov 15, 2007
It does sound a lot like a buffer board problem, Just which one is the question. Sometimes it is in fact a connection issue. But 1/2 of the screen missing sounds like maybe connection between the 2 buffer boards. It could possibly be the panel. If that is the case. ITs over for that set. But i would suggest first calling samsung and asking them to extend the warranty for 90 days or so. Sometimes they will do this for nice customer such as yourself. 1-800-SAMSUNG. Let me know how this turns out first then we can proceed further if needed. Good luck and keep me posted. Sincerely Jay
Posted on Jan 31, 2008
The flashing light indicates a short circuit inside the power supply circuitry. This type of repair is not a DIY without a multimeter, desoldering iron and hand soldering skills. I repair these power supplies, if you need further info write to firstname.lastname@example.org
Posted on Jun 08, 2009
you have to first remove the side trim there should be some screws in the side usaly 2 but sometimes 4 ---you could have replaced just the fuse for less than 20 dollers
Posted on Aug 09, 2009
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