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It sounds like you have a power supply problem. The noise is typical of a modern power supply unit that has failed or has an overload on one of its outputs. If you can get hold of one, they are normally easy to replace but it's important to make sure it is the PSU itself that is fault rather than something else that is causing it. It is also possible that it is something entirely unrelated to the power supply. Also, switch mode power supplies can generate lethal voltages internally and on their outputs as well. If you are not trained in service and repair work,leave well alone and get a professional to diagnose and repair the television. The fact that this question is asked indicates that you are not a professional electronic service engineer and therefore should not try to fix the fault yourself.
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∙ 15y ago
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You try to turn on your tv and it wont turn on the red light is on but the tv will not turn on how do you fix this?
try to check the horizontal transistor
why wont the TV wont turn on when you turn it on the light starts blinking and the screen doesn't show up and in a few seconds it turns back off?
That means its broke.
Your HD TV wont turn on in club penguin how do you turn it on?
you go to edit your home and click the tv and press the up and down buttons
If your Phillips tv won't turn on just makes clicking noise from the back what do you do?
My Phillips 42 inch Plasma TV wont turn on. It just makes a clicking noise from the back. It wont power off using the remote or the manual turn off i have to unplug it
TV switches on but wont turn to any channel?
if your using a remote try changing the batteries
How to remove TV lock?
my tv has child lock on without a remote how do i fix this? also my tv wont turn on at all.
Why wont your tv turn on?
Check the plug. If its in then that means the inside of your tv has been...over used i suppose and you will have to replace the parts inside.
Why wont your tv turn on when you press the power button?
Its maybe broken. Try to unplug and plug your tv. Or maybe tv remotes batterys are dead.
Why samsung smart tv un46d6000sf wont turn on?
because you are not pressing the right buttons.
Why do you need to turn the tv on on poptropica?
because it will make static electricity and you can get to the fish food so they are happy and wont hurt you so you can get the key
What does over range mean when you try to turn on my PS3 and it wont come up with the picture?
It means the PS3 is set at a higher setting than the TV can provide
You ran a s-video cable from your PC to your big screen tv and now your tv wont turn on what did you break and how much does it cost?
probably popped a fuse and depending on the brand and style between $2 (do it yourself) and $300 to have a professional do it for you
