Question about LG 42PC3D 42 in. Plasma Television

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What does a pcb look like i want to make sure i am right

I am looking at at my boards and i want to make sure i have the right board on my lg 42pc3d tv

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PCB means printed circuit board.All the boards in your TV are PCBs, Please specify which board. example YSus, ZSus, Power Supply. Control board, YDrivers etc

Posted on Jun 09, 2014

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Posted on Jan 02, 2017

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SOURCE: LG "NO PICTURE" , IF FIX WILL RECUR? ,DID LG FIX DESIGN FLAW 42PC3D

I had same problem - no picture, but sound worked - LG 42PC3d - was two months past warranty, but LG agreed to fix it as a warranty call. Service guy was out within a week to replace the Z SUS(?) board. Works fine now. This must be a typical problem, as LG did fix it, even though the warranty had expired. Good luck.

Posted on Nov 15, 2008

  • 1 Answer

SOURCE: Issue with LG Plasma tv model # DU-42PX12X

Another "same probelm"

My set has encountered this magical 50/50 split screen and it seems to be quite a problem since I am not the only one researching this issue. LG was of no use because of course it is just out of warranty. Any solutions on fixing this or am I out of money in buying a new plasma?

Posted on Nov 10, 2009

  • 1 Answer

SOURCE: LG 42PC3D ZSUS Board Location

the z sus board is the board thats on the right next to the right speaker looking at it from the back, and you can get it at ebay cheap.

Posted on Jan 11, 2010

  • 1 Answer

SOURCE: TV Guide on LG TV

I have the lg du-42py10x tv with a cable card slot. I have Time Warner cable in Cincinnati Ohio. I split their cable coming in and put one end on the cable input and one end on the antenna input on the tv. I now have TVGOS with my cable card. By putting one end of the cable on the antenna RF input, I received the CBS station in analog. That is what you need to get TVGOS to work.

Posted on Oct 01, 2010

  • 3 Answers

SOURCE: lg plasma 42PC3D no picture with sound

I know you already replaced the board, this is for future searchers. If you heard a popping sound, then the picture went out, there is a 32 pin Sanyo module that goes bad on the board. That's probably what caused the fuse to blow. Replace the module, then replace the fuse. The module is less than half the cost of a used board. Since this was a popular model TV, there are lots of replacement boards on the used market.

Posted on Dec 31, 2010

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2 Answers

What causes my tv when i push the power button to have the green light to blink 3 times than shut off


For this model it is usually power supply(look for popped or bulged capacitors) or YSus board(look for shorted components}

May 17, 2014 | LG 42PC3D 42 in. Plasma Television

1 Answer

Repair LG Plasma #42PC3D


Look to see what inverter board/s this model uses---likely if two--one is bad or if one it drives the left/right sides of the Panel--should not be too hard to locate by Google the model number "boards"

Mar 27, 2012 | LG 42PC3D 42 in. Plasma Television

1 Answer

My LG modle #42pc3d-ud 47 inch plasma picture suddenly went out but can hear sound. What is the problem and is it worth fixing?


The problem is the Y-Sus PCB; You'll have to take the cover off and see the model # on the board (this board is on your left side as u take the cover off)

Aug 18, 2010 | LG 42PC3DC 42 in. Plasma HDTV

1 Answer

LG Plasma 42pc3d turns on, pops, then turns off


The first thing you should look into is the Z-SUS board, the one situated on the right side viewed from the rear. This board develops a high voltage during operation that might be the source of the popping sound. It is also responsible in refreshing the panel for proper picture display. The weird colors on your TV indicates a faulty Z-SUS board.
Note: Unplug the TV and wait for at least five minutes in order to allow the voltages to drain before you disconnect or reconnect any connector.

  • Disconnect the Z-SUS board from the Y-SUS board. The Z-SUS board is situated on the right side viewed from the rear of the TV while the Y-SUS is on the left.
  • Plug the TV back and turn it on.
  • You will still be able to see the weird colors the moment the TV shut off but do not flash. If it does not pop and stays on and there's a sound, you are pretty sure the Z-SUS board is faulty. Replace it.
  • If it still pops and shuts off, disconnect the Y-SUS board from the power supply. The Y-SUS board also develops a high voltage during operation. The power supply is the one right between the Z and Y-SUS boards.
  • Re-apply AC power then turn the TV on.
  • You'll not be able to see any color or video. If it does not pop and stays on with sound, you have a faulty Y-SUS board, replace it.
  • If it still pops and shuts off, please let me know.
Feel free to update me of the result and your own findings.

Dec 03, 2009 | LG 42PC3D 42 in. Plasma Television

1 Answer

I have a lg 42pc3dv plasma tv. it made a loud pop


Looking at it from the back, the board on the left is the ysus. You should see a big red cable coming from the power supply board in the middle of the set going to the ysus. Near the red cable plug on the ysus should be a fuse. Most likely the fuse has blown. If it is you need a ysus PCB. Check out encompassparts.com. If you get a new board be sure to set all the controls on the new board to match the old board. If you don't you will have little sparkles all over the screen when it comes back on. I hope this helps. You may want to check all fuses on the power supply and the zsus which is on the right side of the set. I have seen both the ysus and zsus be bad together. Good luck and thanks.

Oct 24, 2009 | LG 42PC3D 42 in. Plasma Television

3 Answers

Black screen


first try the address board or buffer board.if this
does not repair it,the panel is defective.

Jul 17, 2009 | LG 42PC3D 42 in. Plasma Television

2 Answers

LG "NO PICTURE" , IF FIX WILL RECUR? ,DID LG FIX DESIGN FLAW 42PC3D


I had same problem - no picture, but sound worked - LG 42PC3d - was two months past warranty, but LG agreed to fix it as a warranty call. Service guy was out within a week to replace the Z SUS(?) board. Works fine now. This must be a typical problem, as LG did fix it, even though the warranty had expired. Good luck.

Nov 03, 2008 | LG 42PC3D 42 in. Plasma Television

1 Answer

LG 42PC3D ZSUS Board Location


the z sus board is the board thats on the right next to the right speaker looking at it from the back, and you can get it at ebay cheap.

Sep 26, 2008 | LG 42PC3D 42 in. Plasma Television

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