Re: LG 47LV5500 - No picture, no back light, no sound, powers on.
Yes - how long indeed!
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Re: LG 47LV5500 - No picture, no back light, no sound, powers on.
Sorry for going MIA after you all responded so quickly to me - it's just been one of those busy periods.
Anyway, yesterday, out of sheer reckless curiosity, I decided to throw the main board in the oven @385F for 10 minutes and let it cool for an hour. This is an absurd thing to do that has nothing to do with the thorough and methodical methods I came to this board to learn about. But, it worked... I put the main board back in and the TV works fine now - all inputs are working.
I have...
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Re: LG 47LV5500 - No picture, no back light, no sound, powers on.
I disconnected the PSU from the main board. Once done, the power LED no longer turns red when TV is plugged in and on/off toggle seems to have no effect. Backlights did not come on.
I am not sure which are the main filter caps......
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LG 47LV5500 - No picture, no back light, no sound, powers on.
HI all - so I grabbed a non-working LG 47LV5500 from a friend as a project. I am totally new to TV repair...
So, here are the symptoms:
The TV has no picture and, as far as I can tell, no sound.
The unit powers on - i.e. when plugged in, the LED indicator shows red in standby and changes to white when powered on.
When powered on, the back lights do NOT come one and there is no picture visible with a flashlight. I plugged a laptop into HDMI 1 and 2, and while the laptop recognizes the TV properly, there is no sound. Of course I cannot...
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