Re: LG 42LD550 Won't turn on

I have the exact same TV with the same problem as the OP. My TV was a refurb originally, and when the problem developed (8 years later), I opened it up and found all the board screws quite loose, as in 2-3 turns. The main board has arcing and sparking evidence on the solder patches on the underside at the mounting holes meant to make contact with the metal shroud. There is no other evidence of faults, and securing the boards didn't fix it. So, I'm thinking the intermittent ground scrambled the on/off circuit processor. The green button, incidentally,...

Re: New Members - please post your introductions here

Hello, everyone, and thank you for making joining you possible. I have many interests that involve repairing or creating things, but my primary interest is always learning new things. I have a limited background at board level, but I am eager to find out how to fix my TV!