Hi , was watching my 42 inch LG Plasma TV last night, when I heard a click noise and the picture went immediately but the sound remained fine, I could switch channels but no picture, would you have any idea what the problem is. thanks
42 inch LG Plasma TV - Lost picture but sound still can be heard!.
the sound is fine on my plasma TV however when i turn it on all I get is a really dark screen and dark shadows.
I have the same problem with my plasma tv, model number 50PG6OUD, no picture just sound. Countless calls to LG here in Australia and they refuse to help. I have been unable to locate my receipt from last year and due to the financial downturn the store where I purchased the TV has closed down so I can't obtain a copy. LG are not interested in assisting and won't send a technician unless I find the receipt and it can be determined that the product is under warranty.
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LG ElectronicsTV/Audio/Video; TVs; 42LS5700 ... TV Support Landing Page - HDTV/Netcast/webOS 1.0/webOS 2.0 ... Adjusting Picture Settings - webOS 2.0 Video ... quality and convenience of complimentary shipping when buying directly from LG.com. ... Curved TVs · 22 Inch to 29 Inch Class TVs · 32 Inch to 39 Inch Class TVs · 40 Inch ...
Jul 13, 2011 - Uploaded by FixItUrselfDummy
Fix your tv with black screen blinking light, popping sound noise. ... Watch QueueQueue ... TV Black Screen - Repair LCD LED PLASMA - Problems SONY LG .... I have a 60 inch samsung DPL tv how can I stop the humming or ... What do I do if my tvturns on but its just a black screen so sound no picture?.
Hi it sounds like it has had an elctric fault like a resistor failing. The click you heard would be a internal switch that cuts off the elctric supply to the screen to stop furthe damage hapening. It could even be something simple like a bad solder and in that case will need locating and resoldering. How old is the telly and how often is it used. When you switch it off leave it off for about an hour then try again if you have allready done this then it probably is a blown resistor are you sure nothing has been pressed on controll have you tried seeing if you can acess the menu screen via the remote and see if that comes up on the screen let me know ok
Check the power board for any domed capacitors. Replace them. If this does not fix Replace the power board. You can check the voltages from the power board. they are labeled. VS and VA voltages are the panel voltages.
Sounds like a capacitor blew on one of the boards. Can you detect any burnt electronic smell? If the Cap blew on the Power Supply, you can either replace the Capacitor or replace the power supply board. The boards are between $79 and $149 depending where you get it. Some of the other boards, Y or Z Sus, are between $179 and $300. If you can't do it yourself, and with many 42" models selling for $649 to $899, it might be too expensive to fix.
You can find the boards on ebay or shopjimmy, youtube has videos showing how to replace them. Hope that helps.
Most likely what happened is one of the capacitors went bad. When a capacitors goes bad it produces a popping sound. This could be an easy and cheap fix if you find the bad capacitor or capacitors. The bad capacitor will have a bulging top most likely on the power board but could be anywhere.
Hi , I recently had the same problem which I was determined to fix . So I did a few weeks of research to find that it was the Y SUS board which burns out. I'm sure you realized that the TV gets hot. Personally I think this is why. circuit boards don't like heat and I've learned that the cooling fans are a joke. I replaced the board and got my picture back. I proved the fan theory because after the screen started to act up. I placed a cooling fan near the vent holes on top and the problem cleared right up,It also helps if you lower the brightness which helps out on the heat situation.I will soon be adding a fan with a temp. sensor. This shoud help if your screen has lines when you initially turn the cool TV on.then I have Some other costless solutions. Hope this helped these are great TV's and like our cars we maintain them not throw them away..................................Mr Wiseman
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.