Home Theater Questions? Ask a Technician for Answers ASAP
Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.
If all of the input voltages are ok, then the power switch itself may have failed - can you try testing it for continuity, or try shorting it out to see if you get power?
With the indulgence of ITPeter and just an FYI: Hi again Philip and apologies; mobile with sluggish Internet if at all available.