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Television will not power on could it be the power supply

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It could be a flyback gone bad, but will not rule out the powersupply and congradualate you on you observence you will pay $25 to have it looked at and if its a flyback yourlooking around $75-$100 bucks for a replacment flyback if its a power supply then its a 25 cent fuse, I caution you not to do it yourself if you not experienced.

Posted on May 14, 2009

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My Samsung TV HLS4288W shuts off by itself. When I turn it on it repeats with the same, shuts off. I have to repeat this process several times before the TV finally stays on.


There's a loose connection in the power supply of your television.Try to fix this problem.If you want to do the repair,just open the back cover of your TV and look the power supply.Try to resolder the board of the power supply and check the connector to power supply from the board supply.You can power on the televisions while the back cover is open to see that the power supply is working. Thanks!!

Aug 21, 2011 | Samsung Televison & Video

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Picture disappears and reappears


In that case theres a loose connection in your television.The power supply of your television have problem.If you want to try to repair your TV,just remove the back cover of your TV,unplug first before for sefety reason.Look for the power supply at the upper rights location of your television.Then remove the connector and remove the screw and cover of power supply.Then resolder the power supply PCB board using soldering iron.After the resoldering reinstall the power supply and try to power on.

Aug 18, 2011 | Televison & Video

1 Answer

My tv just stopped working. When i felt the power supply box it was very hot. I unplugged the tv and after half an hour turned it back on when the power supply cooled down. The tv worked again but only...


Hello,

It's the problem of overheating in the power supply board of the Television.on the power supply board of the Television there are few capacitors and IC.any of this IC is got short or may be weak.so due to this when you start the Television the current passes from electric outlet to the power supply board of Television.but when the current passes from that weak/faulty part at that time current gets stopped or slow and the board overheats and Television shuts off. this is a common problem faced by many other users too.the possible option to solve this issue is to check the power supply board by a meter and continuity tester and replace the faulty component on the board which is short due to which power supply board is getting overheated.its bit technical job but yes its not at all a costly repair to do or get it done by the technician. for required parts it can be easily available from local electronic hardware shop television
This will help in solving the problem.....

May 06, 2011 | Televison & Video

1 Answer

My panasonic television's power light is flashing. Model TH-42PZ8OU The television won't respond to controlers or power button. Please help


Power supply or main board would cause this problem. You will need to check the caps on the power supply and test the voltages. If power supply is good replace the main board.

Jul 11, 2010 | Panasonic Viera TH-42PZ80U Plasma TV

1 Answer

The television just turned off by itself today. Checked the outlet and there was still power. Checked the cord to the outlet and the television does not have the yellow light or green light.


Ur tv the power supply board is dead.The power supply board is 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 refurbish power supply board for the replacement.

Jun 19, 2010 | Vizio JV50P 50 in. Plasma TV

1 Answer

My LG television when powered on the red light kept on blinking without showing anything on the television


Power supply board is dead.Replaced the power supply board will solved this problems.Tries Websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Feb 17, 2010 | LG 32LC7D Television

1 Answer

Lg 52 in lcd turns off then back on when your


The problem lies either in the power supply or the main board. But most probably it lies in the main board. These boards communicate in switching on the television sequentially. The power supply sends a signal to the main board when AC power is supplied and puts the television on stand-by. When the TV is turned on, the main board sends a switched command to the power supply to deliver it's output for audio and video processing. At the same time it turns on a supply voltage for the backlights.

What probably happened is, the signal sent by the main board to the power supply is being switched on intermittently and causing the turning on and off of your television.
  1. Remove the back cover of the television to check the power supply and the main board. The power supply is the one with transformers on it and located at the center while the main board is the one where inputs are being connected to and located at the lower right back of the television.
  2. Check the power supply for any swollen capacitor.
  3. Turn on the television and check if the LED on the main board flashes as the TV turns on and off.
Please inform me what will you find above and if you can do electronic repairs. Just tell me if you need guidance in replacing parts for your TV.

Jan 03, 2010 | LG Televison & Video

1 Answer

I have no power from my power supply. Is the power supply bad or is there another cause for this. Knowing that there is outlet power present, I have nothing indicating power at output of supply.


Nothing coming out from the power supply would signal a bad power supply. The power supply is bad. Replace it. It may have blown a fuse inside.

May 14, 2009 | Optoma RD50 Television

1 Answer

Tatung V30DMTT 29.6 in. LCD Television won't power on


bad power supply,common problem w/tatung,re-build power supply

Jan 04, 2009 | Tatung V30DMTT 29.6 in. LCD Television

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