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This TV was unplugged. When it was reconnected there is no power, no little red light near "Turn ON" button. I have tried plugging the TV into alternative outlets with the same result.

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Hello,

your TV is having a power problem. The power supply board is defective that's why the TV won't power up. Its receiving power but it cannot transfer the current to the necessary part of the TV because a capacitor, diode, etc may have blown on the power board. Until these bad components are replaced, the TV might not come on.

If you know about TV repairers, I would suggest that you open the TV and read the power board/panel with a meter, detect the bad component and replace it. Take note that TV stores a lot of current that can shock, so leave the TV for a while before you open it.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you.

I wish you good luck.

Posted on Aug 04, 2010

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2 Answers

I have a Sharp flat panel model LC-20SH4U. The units power LED light is red. No effect (sound or picture) when remote or on/off switch is activated. The LED light slightly blinks.


Resetting the TV
If the buttons on the remote AND the buttons on the TV case do not work (channels do not change and you cannot open or navigate the menu), the TV has stopped responding. Reset the TV as follows:

NOTE:
Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.

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1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.

Hope this may help;

Regards,
VOTIT

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1 Answer

Only getting red light


Is this when the TV is on or off? If it occurs while the TV is on, is it constant or intermittent?

Try this: Unplug the TV. Hold down the power button on the TV for 30 seconds, while the TV is still unplugged. Then plug in the TV and turn it back on.

Similarly, power cycle the TV: turn it off, unplug it and leave unplugged for a couple minutes. Plug it back in and power it on. Reset settings back to factory defaults. If all else fails, I would recommend pursuing repair/replacement options.

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1 Answer

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It sounds that, the memory IC to your TV has damaged. This IC can be located very near to main system control IC. A very small one, with 8 solder terminals. Even though it is very small, function of it while the TV works is great. The work is a semi-skilled one, and you must have some knowledge in electronics to proceed.

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1 Answer

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1 Answer

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I have a Toshiba and was just reading through the manual. It suggests that if the tv won't power on or off, you should try unplugging it, plugging it back in, and try again. I hope this helps a little.

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2 Answers

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take your tv to technician who can check your power supply, if your power is coming on and off, than a problem is not as big. firstly let him check a ht of a supply constantly, your supply is cutting.

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1 Answer

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if you are not technical i sugest you have this checked out by a professional most probably a fuse has gone from iside or your driver board has gone down. The blinking should be normal after you have turneds it off because some capacitors will be discharging.

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