Had a wicked hour long cloud to ground storm yesterday putting strikes allover my 20 acre property. We did not lose power but lost cable/internet for about 5 minutes. My onkyo was turned off and is behind a good surge protector. We tired to use it today and no HDMI audio or video. On top of that, my cable box turns on just fine but no video when connected directly to the tv. The TV works, and hooking devices directly to the TV works. The Onkyo turns on and everything just no sound or picture. I can't even bring up the setup menu. Any suggestions where to start>?
Onkyo 707 fried by lightning?
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What have you for surge protection on that cable line? And what kind of surge protector are you calling good?
MOV surge protectors won't work if your ground ends up with a lot of voltage on it, by the way. For ultimate protection, one would probably want to look into Furman offerings with hybrid MOV/SMP protection. It would do a better job either way though of course nothing is perfect. Really, you should unplug stuff during a storm like that. Also, look into service entrance (whole house) surge protection, while still using good surge protectors for sensitive stuff. It's not that expensive, shouldn't be more than a couple hundred installed.
MOV surge protectors won't work if your ground ends up with a lot of voltage on it, by the way. For ultimate protection, one would probably want to look into Furman offerings with hybrid MOV/SMP protection. It would do a better job either way though of course nothing is perfect. Really, you should unplug stuff during a storm like that. Also, look into service entrance (whole house) surge protection, while still using good surge protectors for sensitive stuff. It's not that expensive, shouldn't be more than a couple hundred installed.
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^^
First do a microprocessor reset as mcode suggested .....
First do a microprocessor reset as mcode suggested .....
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