Question about Audio Players & Recorders
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Posted on Jan 02, 2017
Is your BluRay connected via HDMI? and if so, are any other sources connected the same? if not, just for arguments sake, try hooling up the BluRay via component and digital coaxial or optical. Yamaha as well as all other AV receiver MFG have had big issues with HDMI processing. HDMI has been battling with the recording industry over HDCP and copyright issues on recording via HDMI. So, that's why HDMI has been so flaky. It's been thru versions 1.1,1.1a,1.2,1.2a,1.3a, and now 1.3b, which seems to work so far.... Anyway, sorry to stray off topic, however, HDMI has been a blessing and a curse for both professionals and consumers alike and has caused multiple strange issues with all products that use the technology. Hope this helps. Post a comment if you need further help. I've got lots of contacts for crazy issues!
Posted on Aug 18, 2009
SOURCE: Yamaha RX-V793 receiver shuts down when I turn up volume. Checked the speaker wires and they seem okay. I then hooked it up to an older DVD player I had and it works fine. Don't know if it's 5.1 bu
My first thought would be that when you moved the receiver to connect another DVD, the problem quit since the speaker wires moved. The best way to test would be to re connect the original unit the same way as the new unit and test again. If it still cuts out, disconnect the speaker wires and re test. if it still cuts out, try the new player and test again. if it does not cut out, there may be a problem with the old units audio output. Generally if its a problem with the receiver it would not matter what source you are using, even the tuner on the receiver, if there was a short in the receiver it would cut out. Let me know what your results are and I will help more if needed. Best of luck!
Posted on Nov 30, 2011
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Generally speaking, an amp protects itself from heat, shorts and overloads by refusing to turn on or stay on.
Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.
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