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I unplugged our LG 47LE5400 TV and now need help to reset or restart this LG tv?

I tried to reset the channels but it doesn't work.

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You need to go into the TV menu and reprogram everything one at a time. You probably received an owner's manual with the TV. Read it to st up the TV....or, if you feel confident reading the choices in the menu in the TV, start there....go to setup and have the TV scan for all available channels...etc!

Posted on Jan 01, 2013

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SOURCE: LG 42pc3r, Starting problems.

First thing to try is a power drain:


1. Unplug the product's power cable so that the device is not grounded to the house. Do not simply turn off the power-bar if one is in use.
2. Press and hold in the products power button for 1 minute to release the retained electricity from the capacitors and circuit board. 3. Plug the product back into the wall outlet rather than a power-bar to rule it out of contributing to the problem and turn the device back on.
If this doesn't solve the issue, it sounds like your TV's connection between the power supply and the mainboard is defective. If the power supply was shot, you would hear nothing at all. I hope the above step helps.

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taran_2005
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SOURCE: lg plasma tv. 42pc5d.

Hi,

I am sorry to hear regarding the trouble.This is a common problem on these models.Unfortunately, there is no reset button or fuse.The unit has to be repaired. You could try to unplug the unit for few minutes, say 15 minutes and then see, if that resets the problem unless repair is the only option.

These sets do have problems with the upper and lower sustains. But before I would say that they are the problem,I would check all of the capacitors on the power supply board.
I have seen many failures in the following capacitors. Look for bulging or swelling of the following. C238, C240, C241, C242, & C253 their values all 3300 mfd 10 volt.

You can see a picture of the power board at the following link.
http://www.shopjimmy.com/lg-eay32808901-power-supply.htm

You can also see other parts and prices and can order from the following link.
these are for you model and include the upper and lower sustain boards.

http://www.shopjimmy.com/catalogsearch/result/index/?q=42PC5D-UC&stock=all&limit=25


It would be hard to determine an estimate until you find which board may be bad.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Nov 25, 2010

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Got an lg 47le5400 led tv...turned on but just the logo shows..nothing else. beeping sounds from menu etc... any thoughts?


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. 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/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

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Hey cthaemar, it sounds like it may have been switched off the correct channel. If it is hooked up with a Coaxial cable it will be on channel 3 or 4, and if it is hooked up with an AV cable then it would be on one of the inputs.

If it's channel 3 or 4 try pressing the gray TV button on the remote and changing the channel. If that doesn't work you may need to use the TV's remote or the TV itself.

If it's on an input press the same gray TV button and then try pressing Input. With this you can also try the TV remote or the TV itself to change those if our remote doesn't change it.

Let me know if you have any other questions or concerns!

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