Question about Pioneer VSX-D514 Receiver
My receiver shut off after use the other day and I cannot get it to power back on? I let it sit for days to cool off but it will not turn on. Any suggestions?
Pop the top and check the fuse by the AC plug on the inside. Chances are you will need a meter to do this since most receiver fuses are either white or gray. If you have a multimeter, dial it to ohms and you will see a sign that looks like -))) When you touch the two leads together you should hear a tone and if digital, the display will read "1." Take the leads and touch either side of the fuse, if you hear tone, fuse is good. No tone, bad fuse. Radio Shack carries fuses of all types and usually has them in stock, and can test yours for you as well. If the fuse is O.K. then your unit needs to be serviced. It's either a power supply, transformer, or chipset. Hope this helps
Posted on Jul 01, 2009
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Posted on Jan 02, 2017
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Amps shut down in most cases because the receiver is detecting and impedance (below 4 ohms) that might damage the amplifier. Do a quick check of the speaker connection and look for wires that might be shorted to the frame or have crossed each other. This is the most common cause of the unit shutting down. Check your speakers impedance if you have a meter. If you don't then unplug power from the unit and then un-hook all speaker wires from the receiver. Next connect just one speaker (Front Left) and power the unit back on and take the volume up. If it shuts down then try the Front right all by itself, bring the volume up again. If the unit seems ok then add one speaker at a time and test. Continue until you find the bad speaker/cable. Your amp should be able to drive speakers down to 4 ohms. The NR808 has power monitoring (sometimes called crowbar) that looks for to much current and then shuts down. I suspect you may have a short in a cable or in a speaker. The 808 is a great amp and hopefully your problem is external. If your amp continues to shut down even with just one speaker connected then one or more of your channel amps (internal) is likley bad causing the unit to shut down. Good Luck.
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