Question about Pioneer VSX-D514 Receiver
Pioneer posted this on it's Canadian Web Site:
Poor wiring connections, bad wires or a bad speaker may cause this. As you increase the volume, you will increase the amount of current you are drawing from the receiver. To troubleshoot this issue, try the following:
Posted on Mar 10, 2009
If I remember correctly, that is too much draw from the speakers.
Use smaller speakers, or try disconnecting two speakers to see if the "overload" problem goes away.
Posted on Aug 05, 2008
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Posted on Jan 02, 2017
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Aug 15, 2016 | Pioneer Audio/Video Home Theater Remote...
Just the same, FEEL for heat.
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 or marginally low impedance loading by the speakers; 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 and competent hands-on tech.
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