Question about LG 42PC3D 42 in. Plasma Television

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Could you tell me the part # for lg tv 42pc3dv-ud display board

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could you tell me the - moz-screenshot.jpg MAKE: LG MODEL: 42PC3DV-UD
P/N: 6870QYH005B
4954e83.jpg

Posted on Jan 15, 2009

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LG solid white line how do I fix model number 55 LS 4500 UD


Unfortunately, it's most likely the display itself or the matrix circuitry which is part of the display. Usually costs more to fix than the TV is worth.
Find a electronic repair shop and show them the picture you have shown us, they should be able to tell you right away if I'm correct.

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Lg 42pc3dv has white speckles all over the screen


Could still have some bad caps, or your main board needs replaced

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My LG plasma 42pc3DV-UD just turns off while we're watching it and then turns itself back on again. It does this sporadically, any body got the fix on this?


The tv power supply board have dying parts call the capacitors.These capacitors are dying and have leaking gases.These dying capacitors are alway bulges up on it tops or puffing up on it tops.The power supply board the board that the board,where the power a/c cord plug into it.U have tools like a soldering iron,desoldering pump or desoldering braids,solders?U can do basic soldering?U have basic understanding of electronic?Replaced these dying and leaking gases capacitors,that are bulging up on it tops or puffing up on it tops.This sporadic turn off and on will stop.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Oct 20, 2010 | LG 42PC3DV 42 in. Plasma EDTV

1 Answer

LG 42PC3DV-UD turns off/on by itself. Is this a common problem? What part needs to be replaced?


Power board have dead capacitors,like puff up or burst open,these capacitors must replaced.Know how to solders?Or replaced the whole power refurbish power board.Tries Shopjimmy.com,Ebay.com.

Jan 19, 2010 | LG 42PC3DC 42 in. Plasma HDTV

1 Answer

Backlight video ? lg plasma 42pc3d


It is only LCD's that use backlights, Plasma TV's use a different concept to produce the picture. I assume you have no picture, this does not mean the screen is faulty. It could be either a sustain board or control board fault.

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TV TURNS IT SELF OFF AND ON I HAVE A LG 42'' MODEL 42PC3DV


You have a bad start relay in the power supply Replace it

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1 Answer

Sound but no pic


The Lg you have actually has three boards that can cause the problem you are talking about. The control board, the y-board or the z-board. Usually most technicians will change the y-board and z board together since it is usually a combination of both that cause the problem. The control board by itself can cause the problem. The part #'s are as follows and these are straight from the LG plasma tv training manuals. 1- Control board 6871QCH053G, 2- Y board 6871QYH036D, and the Z-board is
6871QZH041B. The boards can be checked by looking at the voltages and signals but as I said some of those problems for no picture interrelate between boards. Hope this helped. Also with the back cover off those boards are clearly marked. The y board is a small board on the left and the Z board is on the right. The control board is of course in between them. They have tiny white stickers with the part # and assy# on them an also directly on the board itself. Always disconnect the power cord when looking at the inside by taking the back cover off.

Jan 15, 2009 | LG 42PC3D 42 in. Plasma Television

1 Answer

I have sound but no pic


replace display board.
if unit is under warenty
LG is very good at sending out replacment boards.

Jan 15, 2009 | LG 42PC3D 42 in. Plasma Television

1 Answer

LG 42pc3dv-ud


Yes you need to replace the board LG 6871QYH048B. The board has a short. Check the fuses and one of them should have no continuity
because it is open.

Replace that board and problem solved

Aug 25, 2008 | LG 42PC3DV 42 in. Plasma EDTV

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