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While we were watching LG MT-42PX11H Plasma TV, there was a loud bang (similar to a firecracker) and the monitor / screen stopped working. The sound was still coming through fine though. We think a fuse blew.
Does anyone know if this conclusion sounds right and, if so, how we can repair it?
Thanks from Cape Town, South Africa
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Hi,
It is more likely to be a capacitor or the Y sustain board as these tend to go in Plasma TVs. If a fuse blew in most cases the sound would not still be working.
Unplug the power from the TV, wait a few minutes for the TV to 'discharge' and then remove the back cover and inspect the boards for any obvious signs of damage. The Y sustain board generally is on the left of the screen when looking at it from the back.
Take some close up pictures of anything that you suspect looks 'damaged' (or even not) and post them back here. Somebody no doubt will try to help.
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Hi there,
Thanks so much. You're awesome for responding and so doing it so quickly. I honestly appreciate it.
I have downloaded the service manual in the interim. I shall remove the cover and post the pictures.
hi tina, were you able to make any progress, or make any posts? same issue with mine need help :(
I'm having a similar problem. Trying to add photos now
@Adam Udell ,
What is the make and model number of the TV?
Just head same thing happen to mine, a loud POP and went dead won’t turn on. Are you still available for help?
I had this happen to me on a cheaper computer monitor.
when you get the board visible look for a blown capacitor. these are the vertical cylinders on the board that are around the same diameter as a dime but could be smaller or larger the tops of them should all be flat. if a capacitor is blown it will have a domed shaped top.
Might have to check with your local electronics store but most likely just need that capacitor replaced once I was successful replacing the one on my monitors video board it has worked great for the past 2 years with no issues!
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My LG flat screen popped sharply and sound and picture went. The decoder stayed so it wasn’t a current ‘trip’. The TV just went dark and silent
seton tarafından
tina did you ever fix it?
Zack Donaldson tarafından
I also had the same issue with my lg TV plasma 49lf631, d sound was not coming on and after a while it made a loud bang/pop and the TV went blank. Please what do I do. I really need help. Thank
ifedara2010 tarafından