Loads of threads out there for people who can be bothered to halp themselves.
Here's one with a sucessful outcome:
https://www.avforums.com/threads/onn-tv-le26lcd0802id-flashing-red-green-and-blue-screen.1329382/
How did I find that within 30 seconds?
http://bfy.tw/vQj
X, July 2015