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When power button is pushed power light goes off ten tomes and repeats sequence what is problem

Power supply board and both sustain boards.

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What is the brand name to your TV? These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.

Posted on Dec 16, 2014

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Posted on Jan 02, 2017

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1 Answer

Toshiba 50hp66 Plasma repeats power sequence without turning on


A case of which came first the chicken or the egg, Power supply board may be the issue or the sustain board--have you looked for the usual bad caps on the power board?

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Please Help! We have LG Plasmas and both TV's when you go to turn it on it clicks on/off and won't come on at all. The red light turns green for a second and goes right back to red???


Hello.
You could have problem with power supply or sustain board.
If problem was developing slowly ( it was taking longer for TV to turn on, sometimes several attempts pushing power button on remote or set) than it is most definitely Power Supply problem that involved bad capacitors. If problem happened suddenly - it could be either or both boards involved.
I would recommend professional to diagnose it. If your TV is smaller than 40" - just forget about it and invest in new one. Repair will not be cost-effective.
Regards.
Russ.

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1 Answer

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The tv power supply board is dead.That the board where,the power a/c cord plug into it.That the power supply board.Tries websites like Shopjimmy.com Ebay.com to buy a whole refurbish power supply board for the replacement.

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SAMSUNG PS42Q96HD PLASMA ,16 MONTHS OLD, RED LIGHT COMES ON WHEN STARTED UP BY PUSHING IN THE ON BUTTON, AND BEFORE A NANO SECOND IT THEN TURNS ITSELF OFF, ANY IDEAS PLEASE ANYBODY ????


Could be power board. Check for swollen capacitors . If ok next check buffer boards for burnt ic. With set unplugged unplug power board from sustain boards. Plug back in and see if it turns on. Unplug again and disconnect buffer boards from sus board plug power supply back into sus to see if it powers on. If it does then buffer boards bad. Isolate upper and lower to Determine which one is bad. Just always remember to disconnect power board from sus boards when disconnecting panel to buffers. Power supply stores a lot of energy and will burn these connectors while reconnecting them.

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1 Answer

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I had this problem with a different brand plasma and it turned out to be cracked or missing solder on the power board lead to y sustain. I removed the power board, desoldered the connection, clean it up and then resoldered the connection. Everything works great now.

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1 Answer

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1st your power supply needs replaced. But you could have issues with the sustain boards and or your panel that is causing your power supply to fail. once you replace your power supply you should be able to power up the set, but if you don't get a picture then you will have to trouble shoot the sustain boards and panel.

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1 Answer

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You have a 8.6v supply error according to the 7 error code being displayed, what you can try is when the set goes to blinking disconnect the Y sustain board (if looking at the tv from the back the board on the left) from the upper left side of the power supply, if the error code stops then you know your Y sustain board is pulling down your power supply and causing the error, if the error code continues you have a probelm with your Logic Board (located under your Small Signal Board) disconnect this from the Y sustain board and see if the error code stops if it does you know that the Logic board is bad, if the error code is still blinking then the 8.6v supply line from the Power supply is faulty and the Power Supply needs to be replaced

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1 Answer

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could be a y-sustain board, av board or power supply board. i would think y-sustain if i had to guess

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