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LG TV plasma 42pc5d-ab Turns on & detects remote input but no sound/picture

Turns on & detects remote input but no sound/picture

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  • 38 Answers

I've fixed a lot of those..Its usually a capacitor on the power supply main board..seen it on all brands of lcd tvs and monitors..You can open it up and the damaged capacitor will be crowned on the top or there will be a gel oosing out the bottom of it..very noticable.

Posted on Nov 26, 2013

  • Terry Nov 26, 2013

    Something different, a cable inside the unit was unplugged!!??

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Posted on Jan 02, 2017

  • 362 Answers

SOURCE: No picture or sound on LG 42" Plasma

Hi Craig,
Your Tv has a 1 year warranty, you should contact Customer Service as soon as possible. This is the number in the USA 1-800-243-0000
If needed this is the Global Site. www.lge.com/products/category/list/tv.jhtml
Enter your country then click on Support for the Service Number.
If this helps please rate this solution as a FixYa.
Lone99star

Posted on Jan 29, 2009

ProMonkey
  • 59 Answers

SOURCE: I have sound but no picture on my LG 42PC5D-AB

If the display is totaly blank from turning the set on it sounds to me that the display is gone and all you can do is replace the display witch for a 42" set it woudl be cheaper to replace.

Posted on Mar 10, 2009

  • 3 Answers

SOURCE: my lg 42pc5d tv remote sensor quit working. I am

Check on the back of the TV to see if you have a "remote in" port. It will look the same as a 3.5mm headphone jack. Unplug the TV and plug a pair of headphone into the port and then remove it. Do this several times to breakup any debris that may have gotten into it or corrosion that may have occurred in the port. If something is in the port it will disable the standard remote sensor on the TV.

Posted on Mar 25, 2012

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I think you have a defective power board. the pop sound in coming from the board and giving you a low output voltage. do it yourself price about two hundred for parts.

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Most a likely a problem with your Y-Sustain board which will then not drive the screen giving a black picture. The fuse on the board may be open circuit & need replaced but most likely you will need to have the sustain board replaced.

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You need your Tv product code wich is located in the back of the TV next to the serial number.
you can get one directly from LG ($500-$800) or you can try EBAY, look for a TV non working with a good panel, it doesn´t matter why is not working as long as the panel is in good condition, the price range is wide but you can get one for $150-$250.

And no you can not use any 42" plasma.

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I have sound but no picture on my LG 42PC5D-AB Plasma TV. I have checked the cables and they are all connected ok. turned on this morning and there was sound and no picture


If the display is totaly blank from turning the set on it sounds to me that the display is gone and all you can do is replace the display witch for a 42" set it woudl be cheaper to replace.

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1 Answer

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Hi Craig,
Your Tv has a 1 year warranty, you should contact Customer Service as soon as possible. This is the number in the USA 1-800-243-0000
If needed this is the Global Site. www.lge.com/products/category/list/tv.jhtml
Enter your country then click on Support for the Service Number.
If this helps please rate this solution as a FixYa.
Lone99star

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Hi Amhouston,

Can you turn it bak up again, manually or with the remote?

Dave

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I wish I had an answer for you but I'm in the same boat. I've got a 42pc5d and it's doing the same thing. I'll turn it on using either the remote or the power button on the unit itself. The LED will blink either two or three times, then shut itself off. I tried plugging the unit into a different outlet. I tried unhooking all inputs (PS3, DVD player, antenna, etc). The tv was still shutting itself off. I called tech support and the lady who answered asked me if there was a power button on the unit. Well, of course I understand LG has hundreds of models but I felt like I was dealing with someone who didn't care enough to even open the manual to see for herself. Anyway, after a "reset", the TV is now nothing more than a very expensive paperweight. To say I'm displeased is an understatement.

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