Question about Televison & Video
Need to know your TV manufacturer and model number. You, having that info can get detailed instructions a user manual in a readable PDF format. To do the search, and with the carefully typed information, type it in to a search engine window with the quotes, e.g., "Manufacturer Model Number" "user manual"
Of course, replace your own TV's manufacturer in place of the word there - same with model number.
Maybe that will get you the help you need.
If no physical damaged occurred, i.e., lightning, surges to damage circuits, then a reset may do the job.
Posted on Dec 03, 2016
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Posted on Jan 02, 2017
check power supply capacitors..i repair these every day and the power supply is prone to faulty capacitors..the capacitors should have flat tops and if they are bulging or leaking brown fluid, replace
Posted on Oct 17, 2009
Go ahead and try unplugging the video (yellow) cable and plugging it back in.
If that doesnt work, do you have any spare video cables try those.
Then unplug your tv for 2 mins and hope for the best.
Posted on Jun 03, 2010
SOURCE: one day my tv was
There's a good chance you have failing electrolytic capacitors either in the power section or the inverter section or both.
Any caps in these sections that look bulged at the top, or bulged/leaking at the bottom need to be replaced.
If you repeatedly turn it off and on, eventually it'll probably stay on, but every time you turn it off, the TV will get harder and harder to start up until one day it just won't.
Sometimes you have to do the opposite to start it up and unplug it for some time and then try again.
If you aren't tech savvy, don't worry, read the rest of this solution and watch the videos.
If you are handy with a soldering iron and can identify the power supply and inverter / FM section for the backlights, an inexpensive handful of capacitors will likely fix you right up.
Match the capacitance on the capacitors. Go over voltage if you can, and still have them fit.
IE - it's not a bad idea to replace a 10V cap with a 16V or 25V or even a 50V, but don't replace a 680uF cap with a 500uF or a 1000uF (unless you are positive it's only doing ripple filtering, and even then, you should go OVER, not under the uF rating).
Most of the caps that go are 10V 1000uF or 3300uF.
I found some great videos of the procedure (for many Samsungs with the same issue) on youtube.
As you can see, this issue spans plasma TVs, as well as large and small LCD TVs and monitors.
The parts are cheap, and skill required is minimal.
I get mine at www.digikey.com online for less than a buck a piece plus shipping, and they usually arrive next business day.
Posted on Jul 13, 2011
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