Question about Pioneer A509R Amplifier

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Pioneer A-509R amplifier: whenever I try to use it, the standby function cuts in and I cannot turn standby off. Your advice would be much appreciated! Thanks! edowenmadrid@gmail.com

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  • Pioneer Master
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It is possible that your amplifier is cutting off the power due to a protection in the system. The output or power circuit could have a fault that trips off the protection circuit to worrk. now this is ttricky and might need a lot of power board electronics experience as the fault needs to be traced . You can disconnect the poweer drivers and see if the poweer come on. If so the drivers must be chacked for short and replaced. Check also the speakers for any short and disconnect and check. hope you try. Good day

Posted on Jul 30, 2010

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Posted on Jan 02, 2017

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My pioneer vsx 815 amplifier has a flashing blue standby light. Have tried resetting by pressing enter and advanced surround keys. All it does is flash a few other LEDs and then goes back to the flashing...


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Pioneer-VSX-815-K-Receivers-manual/id/385dj989/t/2/

"enter and advanced surround keys"? I don't see that documented as a special function in the manual.

BTW: other than the Flashing light, is there a malfunction?

Page 72 describes how it REALLY resets...

Resetting the main unit

Use this procedure to reset all the receiver's settings to the factory default. Use the front

panel controls to do this.


1 Switch the receiver into standby.


2 While holding down the TONE button, press and hold the STANDBY/ON button for about three seconds.


3 When you see RESET? appear in the display, press ENTER .

OK? shows in the display.


4 Press SYSTEM SETUP to confirm.

OK appears in the display to indicate that the receiver has been reset to the factory default
settings.

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Pioneer vsx-604s power problem


Pete,

The problem is not likely to be the power supply, but shorted output transistors. If you do not see the standby light, then the problem is likely to be either an open standby transformer (primary) or perhaps the 5V regulator transistor. You have given very little info to go on here. Can you provide a little more info on what happens when you try to turn it on?

Thanks,
Dan

Nov 02, 2009 | Pioneer Audio Players & Recorders

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