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An audio/video receiver (AVR or home audio receiver) is a consumer electronics component used in home theaters that convert signals into sound.

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will turn on then shuts right off

I have a pioneer VSX530 and I turn it on and it light up then shuts off right away

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My TV is also a Pioneer. It only shuts off after The receiver only shuts off only after it warms up with the TV on for a few hours.

i have a LG xboom 300w home audio... the amp dont get hot but the fan goes on everytime the system is switch on to use then it never stops it keeps on making a grindling sound how it spins, some songs plays the others dont which the fan compressed the sound with it loud spinnings

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Jeff, According to some forums, etc. that I read possible causes are amp. shutting off, is over heating, speakers are the wrong impedance 4 Ohms instead of 8, too many speakers connected to a channel, damaged/pinched/frayed wire.

Disconnect all speaker wires from the amplifier, see if it still shutting off. If staying on, reconnect one speaker at a time, turn volume levels up and down as you add more speakers.

If amplifier turns itself off when speakers connected, check their impedance, check the wiring of the speaker that caused it to stop working.

If the amplifier is still turning off with no speakers or wires connected to the amp., it will have to be opened and checked for bad components. Good luck.

I hope this helped you out, if so let me know by pressing the helpful button.

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You could try opening it and blowing the dust out with an air compressor and nozzle.

yes dust & humidity.. when i clean it with toothbrush the primary & secondary power supply board its done no more issue in my vsx531a/v pioneer

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You might also check the wall plug or surge protector to see if it supplies the demand volts. I'm not a professional but nothing hurts my audio receiver would cut on and cut off also but they said it was in protector mode with happens if volume gets too load without proper speakers or fuse popped

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What about if it show power off on display what is the cause.. Any suggestion or openion much appreciated...

I'm working on a Ohkyo TX-NR809 it shuts off in a few seconds found off the bottom of Primary power board if I unplug the red grn and black wires plug off the bottom the display stays on. The plug leads the a rectifier I believe has a short in it have to take apart to get to it to read it not sure if that is the case though.

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