Home Theater Questions? Ask a Technician for Answers ASAP
Hi Paul and welcome to the site, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.
Initially, the described symptom almost always is an internal hardware issue.
Are you then considering a DIY (do-it-yourself) repair approach? If yes, do you have access to and familiar with a multi-meter and even a soldering iron?