Question about LG 50PX5D 50 in. Plasma HDTV

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My lg plazma has loud pop at start up - LG 50PX5D 50 in. Plasma HDTV

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You may have problem with the power supply. The only thing in a TV that can make loud pops is high voltage. There are seriously HIGH VOLTAGES in a plasma TV.
I WOULD NOT OPERATE this TV until it has been checked by a qualified TV technician. The pop means something may be shorting. If it shorts to the frame, you can be seriously injured.

Posted on Oct 06, 2009

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Posted on Jan 02, 2017

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jan mczeal
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SOURCE: Picture went out on p50hdm Vizio Plazma tv after loud POP

It's either the backlight lamp or backlight inverter is busted due to a power failure or fluctuation. Here's how to determine which is which:

  1. Grab a flashlight.
  2. Turn on the TV.
  3. Shine the flashlight onto the screen.
  4. If you cannot see any display even a faint one, the backlight inverter is dead, else the backlight lamps are busted.
  5. Replace which ever is the culprit.

Posted on Sep 26, 2009

  • 8457 Answers

SOURCE: I have 42 inch plazma no picture

Ur backlight video inverter board is dead.Buy parts like capacitors for replacement with soldering or buy the whole board.Tries these websites.Shopjimmy.com,Partstore.com or Ebay.com.

Posted on Sep 29, 2009

get-it-goin
  • 85 Answers

SOURCE: lg plazma tv du-42x12x/12xc picture

hi there.most likely the fuse on the ysus panel has failed,which is the board on the left,looking at it from the back.if the fuse has failed,then so has the board...quite a common fault with all lg plasmas...

Posted on Sep 11, 2010

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Ur backlight video inverter board is dead.Buy parts like capacitors for replacement with soldering or buy the whole board.Tries these websites.Shopjimmy.com,Partstore.com or Ebay.com.

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Picture went out on p50hdm Vizio Plazma tv after loud POP


It's either the backlight lamp or backlight inverter is busted due to a power failure or fluctuation. Here's how to determine which is which:
  1. Grab a flashlight.
  2. Turn on the TV.
  3. Shine the flashlight onto the screen.
  4. If you cannot see any display even a faint one, the backlight inverter is dead, else the backlight lamps are busted.
  5. Replace which ever is the culprit.

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1 Answer

3 loud pops and picture faded away


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