Re: LG 47LS4500 blacklit, no picture with sound

Just that near one of the connectors I saw suspicious white chalky material, like some water had been spilled on the screen and ran down to the bottom - with the kids using the TV for a games it wouldn't surprise me one bit.

Re: LG 47LS4500 blacklit, no picture with sound

So I got to the tab bonds. I left the TV on for a bit, but never really felt any excessive heat from any of them, nor any one of them that was cooler than they others.

I did happen to find what looked like some corrosion on the driver board near one of the tab bonds. I used a plastic brush to try to clean it off a bit, but it didn't help anything.

Based on other threads I've looked at (and linked youtube videos), if I had a tab bond issue, I'd expect either distortions on just one or both sides, rather...

Re: LG 47LS4500 blacklit, no picture with sound

I do have a basic DMM. Continuity was good and measures 11.9 V on both sides of the fuse

Re: LG 47LS4500 blacklit, no picture with sound

Pictures of the boards:

There are no video outputs, only an audio output.

I noticed this morning that while the TV is off, the red LED is on indicating power, but when I click the power button on the remote, the LED blinks 3 times, then goes off and the TV is backlit on with static.

Is the blinking of the LED indicative of a power issue?

thanks again for any assistance!

Andy...

I have an LG 47LS4500. When I plug it in, I get the red power LED, and when I turn the power on, the display appears backlit, but no images come up and I hear static as if it were set to the cable coax input with no signal.

I have a blu-ray player plugged into an HDMI port, and if I click through the inputs, using the remote eventually I stumble onto the correct input (since I can't see any menus) and I can hear the audio from the movie in the blu-ray player.

I've checked the boards in the TV and did not see any obvious problems.

Any thoughts for...

Re: New Members - please post your introductions here

Hi - Just joined trying to figure out how to repair a television. Already tried one possibility without success so I will be posting once the formalities are out of the way. My name is Andy - thanks.