Go to www.Shopjimmy.com
They have parts, videos, and test equipment for most brand flat screen TV/Monitors.
My LG 40" Television had the same symptoms.
No picture, but sound.
Did the flash light test, and that showed that the LCD was working.
In my case the LED Strips for the back lighting had burned out.
Thus, I ordered a replacement set of LED Strips from Shopjimmy.
Watched the disassembly video for my model TV.
Then when I got the parts in, I was able to do the repair within about 2-3 hours.
I needed to get some suction cups from Harbor Freight, for handling the LCD Screen.
Some Tar/Bug/Glue remover to get the sticky stuff off, where the old burned LED Strips had been attached.
So, I spent about $70 in total for the repair.
Terry Baker
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1
crwdns2944067:03crwdne2944067:0
mine is 9 years old same problem
crwdns2934271:0crwdnd2934271:0 etandcgreen crwdne2934271:0
now both my picture and sound is off
crwdns2934271:0crwdnd2934271:0 Celestino Ciancibello crwdne2934271:0
@fiocco1234 what make and model? What does your power LED show, any blinking? What have you checked? Anything happened to the TV? Give us more information
crwdns2934271:0crwdnd2934271:0 oldturkey03 crwdne2934271:0