Home Theater Questions? Ask a Technician for Answers ASAP
Hi 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 and displayed system message almost always point to an internal hardware issue. More particularly, potential suspects are:
All of the above would require that the unit be opened up for visual inspection, voltage/continuity/resistance checks, confirm faults and effect repairs.
If not considering a DIY (do-it-yourself) repair approach, then it would be to your advantage to consult with and/or seek the services of an authorized Service Center.
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