Question about Televison & Video
Did you just buy the tv new? If so either return it to the store or get it fixed under manufacturer warranty. This could be a sign of a definite problem. Did you try changing inputs at all? Does it happen on every input? are you using hdmi?If you need help contacting the manufacturer please let me know what country you are in and bought the tv in. Once I have more information I can give you more definitive answers. If you need further assistance please let me know.
Posted on Nov 15, 2010
This is usually a bad semiconductor, and what to look for is a shortcircuited Mosfet SSH25N40A (QU4) , also in the Gate of this Fet there will be a burnt SMD Resistor RCU20.to replace, value is available ONLY in a service manual.
You MUST obtain a service manual... I have been unable to locate one on the 'net, so you may have to approach LG direct and obtain one, it is impossible without one...
Possible links to service manual below, download and check it's the exact model? http://www.fixdevice.com/smanuals/file/38667.html
Below is a training manual, so you can get to grips with what is required. http://www.scribd.com/doc/7580885/LG-TV-Plasma-Training-Manual
Posted on Nov 13, 2010
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Technician (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
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