20 Most Recent Goodmans 15.4 in. LCD TV/DVD Combo Questions & Answers

YOU DO NOT STATE THE MODEL SO A PRECISE ANSWER I CANNOT GIVE BUT IT IS PROBABLY THE BACK LIGHT INVERTOR OR AT WORSE THE LCD PANEL .

Do you mean LD1540. If so try www.tvs-services.com

You dont give a model number to be able to give a correct diagnosis but i presume the back light invertor has failed or worse the lcd screen its self .
More info really required.

Very likely that where you are the over the air signals are now broadcast in digital format and you need to by a converter box to use an older television. Check places like Walmart or Best Buy or Radio Shack

Did you try pushing the On button of the set? New batteries for the remote? Power Reset, unplug from the wall socket, press and hold the power button for one minute, plug it back in?

Time for a new TV, in most cases plasma sets aren't worth fixing, parts are hard to find an costly plus one issue can lead to another, not something most people can fix without electronic experience

The applicable code(s) would be found in a compatible remote control.

No idea if any of the suggestions below will work. https://quuq.org/forum/index.php?topic=3408.0 https://www.avforums.com/threads/goodmans-ld1510-on-child-lock.812276/ Several postings on the internet found using https://www.google.com did not suggest a certain answer. Please use Comment menu to update your question if you find a way that works for you, or you want to report back on what you have tried already.

What is the exact model number to your TV?