Question about LG 42PX5D 42 in. Plasma HDTV

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Loud pop Blank screen 42 inch Viore Plasma

Watching television. heard pop and screen went blank. Sound still works.Found blown fuse on circuit board on back that has 8 ribbons connected and going to screen. replaced fuse tv clicks like its coming on then goes off. disconnected board from tv turned on and seems like power stays on. What is this board and where do u get one. Justin 918-850-9406 or goodnight_justin@yahoo.com

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  • Anonymous Mar 27, 2014

    Hi, out 50inch flat screen JVC tv has just made a loud popping sound and the screen went blank, the blue power light was still on and smoke started to come out of the top, I switched it straight off from the mains, does this mean our tv is now broke? We brought it from Curry's just before xmas 2013 so should have one years garauntee? Thanks

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  • 298 Answers

Unfortunately, that board is the inverter board. And for this model the inverter board is only supplied with the the PDP panel. The panel is quite expensive, here's a link if needed:

LG 42PX5D Replacement Part PDP Plasma Display Panel

Posted on Dec 29, 2008

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I have a 42" LG


Hi,
It can't be fix by replacing the fuse alone because the IC's and other parts are already faulty. You need to replaced the entire Y-sustain board. Try this LINK or obtain it from your local LG Service Centers.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Jdvillanueva

Jul 05, 2011 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

I have a RCA Plasma TV p42whd33. was watching tv heard a pop and the screen went blank. How do i fix this


This sounds alot like the same issue I had with my HP 42 inch plasma. Many plasmas had an issue with failures on the YSUS and ZSUS printed curcuit boards.

If you are willing and able to do some dissasemply yourself, open the TV and see if it uses these cards...if so then look at the solutions listed for the HP PL4260N TV issue.

I found the fuse blown on my YSUS board, I removed it and had it repaired by coppel TV..if you find a board that is bad, chances are someone on EBAY repairs them or swaps them out...mine cost $75 to repair and I was back in business...TV works fine again now that I had the board repaired.

Jan 22, 2011 | Flat Panel Televisions

2 Answers

My LG Plasma television DU-42PX12XC had a loud pop


Your tv contains protection circuitry that would shut down the tv if the ymain was out. If the ymain had blown, you'd have no sound and just a flashing standby light. My gut tells me you need to replace the Power Supply Board (PSB). I've seen this before and after spending too much money trying to diagnose a ymain failure, I was surprised to learn that when you have sound but no picture, the psb is a gonner. Try ebay, shopjimmy.com or discount-merchant.com for a replacement.
Good Luck!

Apr 20, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

Pop sound then no picture, just sound


I assume this is a plasma TV? You will have a fuse blown on either the Y or Z sutain board, there is also a possibility one of the driver IC's has blown on the buffer board, this will shut down the screen & leave the audio working normally. You can check these boards which sit on the left & right hand sides of the screen.

Sep 23, 2009 | Flat Panel Televisions

2 Answers

50 inch vizio, no picture but theres sound!!


check y-sus board(top left with 2 white fuse)
check z-sus board(right small board with 2 white fuse)-view from back
blown fuse? replace that board. partstore.com or discount-merchant.com

Aug 05, 2009 | V, Inc. Vizio P50HD Plasma Television

2 Answers

Loud pop


If there was a loud pop then it would appaer a fuse has probably blown either on power supply especially if there is no indicator light showing. If you are getting the red stand by light then possibly a different fuse on the sustain board has blown. You would need to remove the rear cover & check any of the fuses. Most likely if they have blown something more serious has occured to cause & replacing the fuse will result in it blowing straight away.

Jul 26, 2009 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

Tv lg blank screen


sounds likea pcb board has gone i have boards at 60 pounds each where are you located

Mar 03, 2008 | LG 42PC1D 42 in. Plasma Television

1 Answer

No picture


Have you tried checking the fuses this is a solution i posted a little while ago!!! I was watching tv there was a popping noise and screen went blank. My husbands very practical and we took the back off the tv ,we tested the fuses with a fuse tester and one had blown we took the fuse too Maplin our nearest electrical wholesaler who found us new fuses £1.29 for a pack of 10. We replaced the blown fuse now everything works as it should. Hope this helps we saved about £275 by doing it ourselves but do make sure you feel competent enough to have a go its not that hard but do make sure you unplugg the tv from the electric before you attempt taking off the back and checking the fuses and be careful as tvs can store a electric ok

Feb 24, 2008 | LG RU-42PX10 42 in. HD-Ready Plasma...

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