Question about Pioneer VSX-456 Receiver
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Posted on Jan 02, 2017
have you fixed it already?
I have the same receiver with the same problem as yours.
I found the fault in the voltage selector rotary switch. I'm refering to the round voltage selector switch not the other one, because you'll notice that there are 2 voltage selector switches at the back. The lock was broken so it couldn't switch the primary terminals of the main transformer.
Basically this amp has 2 power transformer, the small standby traffo and the large main traffo.
Try to press that round switch and press the front panel power switch. If it goes ON, then fix the center lock of that round switch.
Hope it helps.
Posted on Nov 19, 2009
SOURCE: pioneer vsx-456
I have um Acquitance Groundbreaking VSX -456 as you I turn on appears Poweroff and he turns off automatically if he may go feasible ma ajudem,pois did not what to do. thank you Awaiting recurrence for its email: email@example.com
Posted on Jun 08, 2008
I have the same problem. my sandby light is on but my receiver will not turn on! I checked my power going into the power supply board that was good. But i do not have power going to the transformer or the receptacle. And both of my fuses r good. check ur fuses and go from there . If u know how to get a power supply. please let me know.
Posted on Oct 14, 2008
Tips for a great answer:
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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
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