ifyoure555
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May 6, 2016, 12:50 AM
Post #1 of 2
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Continue repair, or replace?
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Hello. There was a lightning strike here a few days ago that took out 3 TVs and 2 phones. One of those TVs is the LG 42LB6300 LED smart TV. It was unresponsive (would not turn on). There was no standby light.
I don't know much about TV internals, but some online troubleshooting guides pointed me to the power supply board needing replacement. I had 120V in, but no 3.5V standby. It was about $50 shipped so I ordered it.
The board came in today. I replaced it. I now have 120V in and 3.5V standby, but still no standby light and the TV won't turn on.
The main board is closer to $100 shipped used. Should I cut my losses and buy a new TV instead of possibly having $150 into it and it still not working, or should I order the other board? I'm just a bit nervous that I'll have 1/3 the cost of a new TV into it and still have a dead TV.
One other note; the cable box that this TV was attached to no longer has functional HDMI output. I tried it with a working TV and there's no signal. HDMI goes into the main board. That makes me kind of want to continue, in case a surge came through HDMI as well as though the outlet and took out both boards, but I was hoping to get more experienced/educated opinions.
I would appreciate all thoughts and opinions. Thanks for your time.
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