Took it to the shop, $225 just to look at. $1600 to repair, looks like they want to replace every module in the darn thing. Set is 2.5 years old and paid the short side of $3K for it. Is there a outside source for the boards and modules? Plug and Pray might be the way! Of course they recommend a new one.
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Re: Loud pop, picture went black, sound ok.
The loud pop might have come from a part that is mounted on the Ysustainer board or Zsustainer board. If you are able to find the replacement parts, this is a DIY keeping in mind to be very careful when working with high voltages.
Check the picture from this website and here to have a reference how the part looks like. If you open the plasma, look for a label on that board and you can go ogle to find for a part supplier.
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Check your lamp. This is a common problem in projections. Sometimes there is a lamp door and two screws holding it in. you can physically see if it is bad. itll be shattered or have rings aorund it. anything that doesnt look right. If your lamp is fine then you may have blown a fuse or diode or ic chip..theres really a lot to go wrong. I would then take it to a repair shop.
Your set has a problem with its power supply. If it is under warranty, have it replaced ASAP. If your warranty has expired, you can take the set to any good repair shop - ask for an estimate before having any work done to it.
This sound is a capcitor pop and this could be in the power supply unit itself. The glass could be a fuse that took the brunt from the capcitor pop.
1. Unplug the unit and do not plug it in.
2. if its under warrenty take it in please!
3. if its not under warrenty and you know eletronics verify what cap popped and replace that and the fuse.
4. if you do not know about eletronics this work would cost you around $150 for the wrok done.
I suggest you guys take your TV's into a repair shop like Sears or Best Buy... The main reason most plasmas go dark is because of decay, but I don't think this is the case. Because what you describe is similar to what happens in LCD's when their back light goes out. Although you can open up and repair the back light your self in a LCD, I would not advise you to do so for a Plasma, because of the hazardous chemicals used in the plasma display plus the fact that plasmas don't use back lighting. And 2 years is way to soon for decay to be a factor. So more than likely a circuit shorted out and the TV has to be opened up to be repaired.
humm from the sound of a loud pop that would tell me you have a high voltatge problem. at the shop i have seen when i replaced tubes in this set that when the tubes are unbalenced (screen voltages) then sound will come up with no picture. then the tubes warm up and the picture comes up. this is an idication that one of the tubes have gone bad. and now that it has completly failed i suspect it has taken the horizontal ouput transistor and possilby flyback tranforner, NOW what all that tech talk means? not good im sorry. but in my opion this set is not good. these set cost about 800 new at your local walmart. We charge at my shop bout 600 to 700 for such a repair..of course u may get a tech to look at it and find something simple. but i feel this is the case if you have any more qestion feel free to email me or ask again here firstname.lastname@example.org
Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
Hope this might be of use to anyone whose lost the picture after a loud popping/snacking noise but still has sound.
This just happened to my Z50 yesterday...10 days after it came back from the repair shop! The first repair was for the "popping" problem where the tv makes a loud pop and the screen goes black. This took 6 weeks to get fixed. For this new problem the repair center is getting hold of LG to find out what to do. I am also calling them because I see this is a major problem that people have been experiencing out of warranty. The first customer service rep told me I was out of luck but I am not accepting that answer. Good luck, we'll both need it.