Question about LG 50PC3D 50 in. Plasma Television

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LG 50PC3D: Loud pop after power turned on, screen goes blank. If I keep turning set back on eventually will get picture but the loud pop sounds like some sort of circuit breaker snapping. How do I get at the problem & replace most likely fault?

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SOURCE: Loud pop Blank screen 42 inch Viore Plasma

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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alltechserv.
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SOURCE: Same problem. Was watching my LG 50PC3D, then a loud pop noise

Replace the y-sus board located on the right after removing the back panel.

Posted on Jun 10, 2009

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SOURCE: Heard a loud pop and picture went out. Still have sound

Ur tv have burns capacitors,look for pop ups caps.

Posted on Oct 22, 2009

  • 1 Answer

SOURCE: LG 50PC3D very loud pop, screen went 95% black

check the capacators on the main power board if they are not popped more than likely it is either the z or y sustain boards

Posted on Mar 22, 2010

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2 Answers

Hello, Last night my Samsung plasma TV made a fairly loud popping sound while I was watching it and then the power went off. When I turned back it on, no picture but sound was o.k.


Yes the caps on theower supply, but you can check power supply board by smell an look for burnt parts it is common. May need more than one board if they are cheap get both.

Jan 29, 2015 | Samsung Televison & Video

1 Answer

Heard two loud bangs now picture is dim and has black areas that go away when that part of turn ithe picture is light. when u turn it obn its all black and the slowly lightens up but still real dim


Sound like a defective z-sustain board. When looking at the back of set with back off its on the far right. It usually has a fuse which will also open when its defective.

Oct 17, 2010 | LG 50PC3D 50 in. Plasma Television

1 Answer

Set was on and made a loud pop noise and the picture went off. the red light was flashing and no picture. then it made a strange buzzing type of sound a few times. turned off for a couple mins and then...


It sounds like your screen inverter has just gone >bang< unfortunately.
Most screens inside use 2 main circuit boards, and you are most likely going to have to change one of them.
It's possible also for it to have been just the backlight bulb making the loud pop noise too. The inverter may have given out too much power and blown the bulb (a lot like you hear when a house bulb goes bang).

If you can't actually hear any TV sounds (normal sounds like music, voices etc. when they should be there), then it means the problem is more serious, and would need a specialist repair place to check out the electrical circuit inside.

Mar 30, 2010 | Sony KDF-E42A10 42 in. LCD Television

2 Answers

My lg 50pc3d will not turn on the power light turns green then red when i press the power button but nothing happens. It all started when i was watching tv on day the picture turned dark gray so i turned...


If there was a loud POP! sound when it turned off then you will have to replace a sustain board.

If there wasn't, then you're more likely facing either a power board or main board replacement. It can;t be said which one of the two based only on the described behavior - can be either.

Mar 13, 2010 | LG 50PC3D 50 in. Plasma Television

2 Answers

LG 50PC3D very loud pop, screen went 95% black and of course still have sound. does this sound familiar? michael


check the capacators on the main power board if they are not popped more than likely it is either the z or y sustain boards

Feb 28, 2010 | LG 50PC3D 50 in. Plasma Television

1 Answer

Heard a loud pop and picture went out. Still have sound


Ur tv have burns capacitors,look for pop ups caps.

Oct 22, 2009 | LG 42PC1DA 42 in. Plasma HDTV

1 Answer

LG 42'' Plasma 42PC1DV loud pop,buzzing, no picture cracked screen


pdp panel cracks need replaced
Manufacturer LGE 42PC1DA Part Number EAJ42047868 Description 42 INCH_XGA PDP MODU

Manufacturer LGE 42PC1RV Part Number EAJ42007501 Description PDP,MODULE-VGA

Oct 04, 2009 | Televison & Video

1 Answer

Same problem. Was watching my LG 50PC3D, then a loud pop noise


Replace the y-sus board located on the right after removing the back panel.

Jun 10, 2009 | LG 50PX5D 50 in. Plasma HDTV

1 Answer

Loud pop Blank screen 42 inch Viore Plasma


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

Dec 26, 2008 | LG 42PX5D 42 in. Plasma HDTV

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