Question about LG 42PX5D 42 in. Plasma HDTV

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My lg plasma tv will not turn on. The tv first started flashing on and off for about 10 seconds and then shut off the power light flashed green three times and the the red light came on. The sound worked for about thrirty minutes when I was trying to see what was going on, then the sound quit as well. So I unplugged the TV for 48 hrs and turned it on agian and the green light flashed three times and then the TV shut down , same as before

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: LG LCD TV Standby Light Flashing Red Continuously

I have had this same problem twice in the past 3 months. So far both times I've been able to get it back after a week or two. I'm not sure what works, but unplugging and detaching the antenna and cable and waiting a few days seems to be the key. In both instances, I unplugged it for a few days then plugged it in for a few days and repeated the processes until I eventually got the steady red led. Both times prior to the red led the led would flash red then green and make a clickiing noise for several hours before I was able to get it working again.

Posted on Apr 22, 2008

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  • 133 Answers

SOURCE: LG 42 plasma power problem

needs power supply Part number 6709900023A
it is a 171 dollar part, you should be able to order through LG,

Posted on Jan 10, 2009

lightnbaby
  • 36 Answers

SOURCE: LG 50PC3D PLASMA WILL NOT TURN ON

Unplug power cord- safety first!
open backcover
check powersupply- top center right is p.s.
top left side of powersupply you'll see 5 capacitor 3300uF 10V.
see any pop up on top? replace it All with same rate or 16v is O.K.
do not use temperature rate 75c. Use 105C.
if you know how to solder. you save $300 least!

Posted on Mar 15, 2009

  • 41 Answers

SOURCE: I have an LG plasma TV, model: 50PC1DRA. We had a

Defective power board. Maybe best to call local service man.

Posted on Dec 18, 2009

  • 8457 Answers

SOURCE: Tv turns on green light blinks three times then TV turns off

Ur power supply board is dead.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Apr 07, 2010

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good luck

caypianan@yahoo.com

Oct 25, 2008 | LG 42PX5D 42 in. Plasma HDTV

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