Question about Televison & Video
Hi I have the 42inch thomson wysius pc moniter my problem is that when I turn the sound up on the moniter I get a buzzing/squeak sound is it a part I have to replace.if i do have to replace a part can let me no what that part is and the name of the part I would most likely get the part of ebay ig they are cheap if they do the parts.i live in the UK
It sounds like its back-light inverter board has damaged. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy Pull up older posts. Surf the site with patience.
Posted on Apr 17, 2014
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Posted on Jan 02, 2017
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.
Posted on Jan 17, 2008
Most of the times this type of damage is due to panel overheating. This can occur due to many situations but most offten is due to internal mulfunction of some of the high power/voltage driving circuits. You can only hope that the dealer will replace the set under warranty. Do not settle with a repair.
Posted on Feb 07, 2008
SOURCE: LG Plasma TV 42''
These problems are probably bad inverter board that supply the inverted voltages to the back lights. It also could be a failure of the back light itself. This problem should be taken to a service center, where they can test the inverter board and the back lights. You can got to the website of the product and check out the frequently asked questions to see if your problem or similar one have been posted and answered. Hope this helps you with your problem.
Posted on May 14, 2009
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