Question about LG 42LC2D 42 in. LCD HDTV

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Lg 42lc7d-ab.aauvlh firmware - LG 42LC2D 42 in. LCD HDTV

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Posted on Jan 02, 2017

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SOURCE: I have a LG lcd

were you able to fix this because I have the same problem.

Posted on Apr 25, 2010

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SOURCE: LG 42LC7D-UB, Bad LCD Controller Board????

Steve, that was awesome. Thanks a bunch. I already have the tools and I can get the solder easy enough. Thanks a again. I went to Best Buy this weekend and all they could say is that the entire board would need to be replace and that they really recommended a new tv as the cost for the new board would be as much as a new TV.... :( typical of them!

Posted on Nov 22, 2011

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Lg 42lc7


Which circuit board you have replaced. Except its main power board replacement, for all other board replacements, a firmware update is necessary. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

Apr 25, 2014 | LG 42LC7D-UB Television

1 Answer

Update firmware tv lcd


Look for firmware instruction on lg website

Aug 03, 2013 | LG 42LC7D-UB Television

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I have the exact same issue as the unsolved problem below on this page: I have a LG 42LC7D that is about 3 years old. A Problem with the LG 42LC7D-UB Television I have a LG 42LC7D that is about 3 years...


The power on problem is a cap in the power on circuit. The loss of signal for an areal is delayed. Nothing you can for DIY.It needs repair shop visit.

Feb 12, 2011 | LG 42LC7D-UB Television

1 Answer

How do I replace the bulb on an LG 42LC7D


first you need to remove old bulb there is model no menstion on the top side.please check and replace with same no.

Oct 16, 2010 | LG 42LC7D-UB Television

1 Answer

My Lg 42lc7d 42 inch flatscreen tv has no sound


1- check all the cables that are hooked up to the TV 2- try to get audio to and external speakers or home theater (to check the sound card). 3- if the step # 2 don't work either you have a bad sound board on your TV. 4- opn the TV try t get the part # of the board, and replace it

Nov 11, 2009 | LG 42LC7D-UB Television

1 Answer

42LC7D-AB cant find bolts to fit for wall mount


http://www.scribd.com/doc/6399173/LGTV

here is the owner manual. look on page 16 and you will see one way to wall mount. Ragarding the size of the bolts needed, go to the hardware store and get one bolt of each size close to what u think u need and use the trial and error method. OR go to an electronics store and ask one of the techies. Be nice and they will help u for free.

May 02, 2009 | Televison & Video

2 Answers

Cuts off


Most likely the power supply board.

Lie the tv down on a bed and unscrew the back. Its only about 9 screws around the edge and look at the power board, on the left, see if theres any burn marks.

I have a brand new board I bought the other day for the same issue but before I replaced it, stupidly, I checked with LG and turns out mine is still under warranty so I'm stuck with a new board.

Let me know if you want it. I'll match any price you can find online.

Mar 20, 2009 | LG 42LC7D-UB Television

1 Answer

Replace main board on LG 42LC7D-UB


not sure what you're referring to as a "main board", but heres the LCD Control Board for the TV

http://cgi.ebay.com/LG-42LC7D-UB-LCD-CONTROL-BOARD-6870C-0119A_W0QQitemZ150277759127QQcmdZViewItem

Mar 13, 2009 | LG 42LC7D-UB Television

1 Answer

Missing LG pedastal


You can find a replacement base stand assembly for that model (42LC7D) at the following link:

LG 42LC7D Replacement Part Base Stand Assembly

Model # RU52SZ30 may have no stand / pedestal available.

Nov 17, 2008 | LG RU52SZ30 52" Television

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