Question about LG 50PK550 50 in. TV

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My LG Plasma 50PJ550 won't turn on. I have unplugged it and Plugged it back in. I have sprayed it out with air. I press the power button and the red light goes away, I hear a click then the red light comes on again it does it one more time on it's own then goes off and sits in "idle" ( with red light on)

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

SOURCE: Lg tv will not turn on, red light

i think your bulb is shot must be replaced

Posted on Apr 29, 2008

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

dsacco86
  • 1077 Answers

SOURCE: 42 LG plasma no picture but sound. found internal

Sounds like it started "Protection Mode" because of a failed electronic part inside the TV. When this happens, the TV will keep turning itself OFF or will not turn ON at all. This keeps the other parts inside from being damaged. Most likely the TV has a power supply related problem. The common part to go bad for flat panel screens circuit board that powers the screen itself. Most manufactures call it a Backlight Inverter Board.
But, I can't say what is 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptom.

You have a few choices:

1. Best thing to do, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, schematics, test points, and part# lists.Usually, cost under $20. Its the best repair guide material for fixing TVs. And most cases the new part cost less than $15 by searching on the internet with the part number.

2. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


I hope I shed some light on the subject for you.

Posted on Jul 21, 2009

  • 1 Answer

SOURCE: LG 42PC3D-UE Turning on, clicking, then turning off & repeat

replace the power supply it is a simple fix if you can hear the relays click 2 times or more replace the power supply board you can order them from UNION Electronics ask for kyle when you call ,,if the power supply isnt the problem then it will be the control board located below the power supply board I have repaired a few of these the voltages are marked on the power sullpy board conections be careful there is a VERY HIGH AND DANGEROUS VOLTAGE FEEDING THE X AND Z BOARDS DONT REMOVE THIS WITH SET PLUGED IN IT IS HOT ENOUGH TO BURN A HOLE IN YOUR SKIN AND EVEN DO MORE DAMAGE TO YOU if your not sure what to do Call LG they have a good support theam there

Dave
Daves Tv

Posted on Jul 24, 2009

  • 8457 Answers

SOURCE: lg 50 in clicks but won't stay on.

Ur power board need it replaced,LED indicator light not sustaning power.

Posted on Jan 05, 2010

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