Home Theater Questions? Ask a Technician for Answers ASAP
Hi Fred, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.Initially, please re-confirm that it is a VocoPro KJM-7808 Karaoke.
Still, proposed preliminary tries (if have not been done):
All others would be internal and would require the use of a multi-meter and a soldering iron.