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Why does my tv power on but only see lines?
Back story: I have a LG 47LD520 tv. We had a storm and my hdmi connections started having issues as far as my ruko not working ext. I unplugged everything, plugged it in and then everything worked. Then another storm hit where we lost power. HDMI connections started having problems again, so I unplugged, replugged, and then turned off tv. Went to tune it back on and the red light flickered, turned blue and then nothing. I replaced the power board and main board (with parts from eBay). Now it turns on and I see the back light but the picture is grey black and sometimes colored lines. What can I do now?
ANSWERS:
"@leidy
start by unplugging all input sources. then go through those soures one by one. Use all of them and see if it changes anything. Also, let us know if your Menu is still visible. If so then it is possible that this is a T-con error. If not it could be a main board or panel issue. For that you will have to remove the back of your TV. Once removed take a look at all the boards for any obvious damaged components etc. Look for scorched and charred looking pieces, leaking or domed looking capacitors etc. If unsure, post some pictures of your boards with your question. That way we can see what you see. Use this guide Adding images to an existing question for that,"
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