Question about Pioneer VSX-454 Receiver
As stated above,powers on correct,displaysss sweet just on full volume only a slight whispering sound of the music shows up on full volume,radio doesnt even work?
It sounds like you're not in the right input source (mode) or you have a external source selected. I show your unit as a 1995 model and so check your Tape 1, Tape 2 selection buttons. These "Tape" selection button get dirty contacts that will kill the audio. To clean, with the volume low, press them on and off around 20 times each. This works the contacts back-n-forth and will help clean them.
Posted on Nov 02, 2012
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Posted on Jan 02, 2017
Your receiver is basically going into protect mode.
Just check your speaker cabling again. Make sure that all of them are seated properly, none is touching each other or the body of receiver. Take out all the wire and put them back again if necessary..
Some times even a little tiny frayed wire touching the receiver could trigger the protect mode. Be careful, since protect mode is sometimes not fast enough and it could blown a few trasistors in the power circuit.
Just check your speaker as well....whether they play all right thru another receiver or amplifier. its posiible they might be shorting inside. A little frayed wire could also trigger the protect circuit in your receiver.
I hope this should solve your problem.
If everything else seems all right and still your receiver shut down when you raise the volume then it possible that there are bad connections on the main board that are set in.
This would generally happen if the system is slighly old or have dry solder and when you raise up the volume. This should be a simple repair that will not require parts. If you can solder, you will be able to repair this yourself. If not, then a local service center will change the local labor rate.
Hope you can sort out your problem with the above trouble shooting. Let me know if I can guide you further.
Best of luck! Thanks for using FixYa!
Posted on Apr 21, 2009
SOURCE: Pioneer Amp VSX-D409 Volume
I have a VSX D508 Looks just like the VSX D409. Had the same prob with the volume control when I bought it. I first tried the cleaner. Better than what it was but didn't compleatly solve the problem and before long it was getting worse again.
It does have a rotary encoder instead of the traditional varible restance volume control. I finally broke down and removed it from the board and lightly sanded the contacts with fine sandpaper.
This involves removing the whole face from the main board and chassis. Not that bad, a couple screws and some ribbon jumpers and latches and it's off.
Next carefully pull the volume control straight off the shaft, remove the nut under it and lay it face down on a soft surface. Remove the screws that hold the circuit board to the face and slowley seperate the too, you'll have to release some latches also to sepperate them.
If you replace the volume control with a new one or clean the old one you have to go this far because it's soldered to the front side of the board. Yes, it has to be de-soldered from the board.
This control was not designed to be dissassembled but I was able to carefully open it and remove the shaft to totaly expose the contacts for a complete even couple of passes with the sandpaper.
I did have to use some 5-minute opoxy when I put it back together because I couldnt get the metal tabs to close as tightly as they were before it was opened.
I soldered in the volume control, put it back together and it's worked perfectly ever since. I don't know how much pioneer wants for a new one but I can tell you they wanted $69 plus shipping for a new remote for my receiver. And with this style of volume control you might be at their mercy as far as finding one from another source that fits.
Posted on Apr 03, 2010
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