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Samsung Plasma TV keeps powering on and off as soon as i turn on mains.

Samsung PS50B451B2W Not even staying on long enough for screen to come on, repeating until i unplug mains. Have tried unplugging power for hours and removing all connected devices.

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  • Samsung Master
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Failing power supply

Posted on May 20, 2019

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6 Suggested Answers

6ya6ya
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SOURCE:

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Posted on Jan 02, 2017

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  • 790 Answers

SOURCE: Plasma TV

did you hear the sounds? or maybe you have defective power source in hot side..

Posted on Oct 02, 2007

  • 53 Answers

SOURCE: No POWER

How many times does the POWER led flash per second? (Dont worry about the OPC).

1x (steady constant blink) = Lamps or inverters
2x = Power Supply
3x = Main Unit

If i am reading it correctly, looks like the POWER led is flashing 2x, which means it is a power supply failure. Either way, your TV needs to have a board replaced, there isn't anything you can do to fix it yourself. Try locating your local sharp authorized service center to repair your TV (1-800-237-4277)

Posted on Mar 16, 2008

  • 1 Answer

SOURCE: LG 42PC3D-UE Turning on, clicking, then turning off & repeat

replace the power supply it is a simple fix if you can hear the relays click 2 times or more replace the power supply board you can order them from UNION Electronics ask for kyle when you call ,,if the power supply isnt the problem then it will be the control board located below the power supply board I have repaired a few of these the voltages are marked on the power sullpy board conections be careful there is a VERY HIGH AND DANGEROUS VOLTAGE FEEDING THE X AND Z BOARDS DONT REMOVE THIS WITH SET PLUGED IN IT IS HOT ENOUGH TO BURN A HOLE IN YOUR SKIN AND EVEN DO MORE DAMAGE TO YOU if your not sure what to do Call LG they have a good support theam there

Dave
Daves Tv

Posted on Jul 24, 2009

budmrtn
  • 11361 Answers

SOURCE: My Sceptre LCD TV Power turns on briefly (blue

Power supply is the place to look, look for bulging on top of the capacitors in the secondary side of the main power supply.

Posted on Oct 24, 2009

  • 8457 Answers

SOURCE: Have an LG 50PC1DR 50

Power supply require replaced.Short somewhere in power board.

Posted on Nov 23, 2009

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I have a 51" samsung plasma TV that keeps turning on and off while watching.


Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Mar 05, 2016 | Samsung Televison & Video

2 Answers

I have a Samsung Plasma PN63A650 that has worked 4 8 years, until today. I turned it on, stays on for 14 seconds, then turns off for 8 seconds. Would not respond to remote commands either


Easy fix for new Samsung TV switching on and off power ...

? 4:41
https://www.youtube.com/watch?v=H0cG3lzjuw8
Sep 15, 2012 - Uploaded by alwaysafix
My tv turns on and off by itself the minute I plug in the cable. ....Samsung E6030 led tv hv blinkin red light issue ... capacitors are looking good ...

Help PLEASE! Samsung Plasma Turning On/Off Repeatedly.

michiganstate.247sports.com > Topics

247Sports.comMy Samsung Plasma HDTV (approx 3.5years old) has some issues as of late. When Iturn the tv on, invariably, it starts to turn off and back on repeatedly.

Samsung Smart TV turning off - Forums - CNET

www.cnet.com > Forums > Samsung

CNETJun 11, 2015 - I have a Samsung plasma 60 inch model number PN60E6500EFXZA TV. It began to turn itself off every 5 minutes, for the past few days. I was able to factory ... Samsung TV Keeps turning off and on.
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Jan 13, 2016 | Samsung Televison & Video

1 Answer

Plasma TV wont turn on


Fault in the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit.Contact any service technician.If you wish to get some details; check the site linked here.Surf the site with patience.Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Feb 25, 2015 | Samsung PN51D550 51 3D HDTV Plasma TV

1 Answer

My 50" ps50b451b2w Samsung has just had a new main


Clicking sounds like a bad power board. There are small relays on power boards that would make a clicking noise.

I don't know why a main board would have been replaced for that, as I don't know of any main boards with relays or anything that would cause a clicking noise on them.

Sep 15, 2012 | Televison & Video

1 Answer

My New Samsung 50" Plasma (PS50C451B2D) keeps


if timer is not activated, your unit needs servicing.
have the power supply check first for output voltages it may not have enough to power up some of the circuits board.

Feb 08, 2011 | Samsung PS50C451B2D 50 in. Plasma TV

1 Answer

I turn my tv on by pushing the button but it just keeps clickin on and off without no picture coming up


If the TV is set to PC input when it's turned on it will turn off after a little while when no input is detected (you should be able to tell what channel it's on in the top corner of the screen). If that isn't the case try plugging the TV straight into the wall if you have it in a power board or multiple adapter. Sometimes they won't turn on if they aren't getting enough amps and you're sharing the power with other appliances.
If that fails then unfortunately it could be the power supply. Where I work we have about 50 Samsung plasma and lcds (and I own one at home) and although they are fantastic screens they do have a common fault with the power supply.

Jan 21, 2011 | Samsung PS42P2S 42 in. Plasma Television

1 Answer

TV shutting down


Probable main power supply failure. In all modern sets, there will be two power supplies; one that keeps the set enough alive to respond to the remote and a second one that does the 'heavy lifting' supplying several regulated voltages for different subsystems. This latter one has failed.
If you can locate the main supply board, it may be fairly easy to remove to send off to the factory for repair.   

Dec 04, 2008 | Televison & Video

1 Answer

Can not get tv to turn on


It's normally a power failure/surge on the main board. Most common with LG tv's of this type. Samsung tv's of this type don't actually turn off, they only go on standby, which is why you can turn the Blue Eye off in the menu. One solution to try (if you haven't already), is to disconnect it from the mains (this is also the only way of actually turning the tv off), leave it for 24 hours, and try again.

Nov 28, 2008 | Samsung HP-R5072 50 in. Plasma HDTV

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