Question about Pioneer VSX-D704S Receiver

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VSX-D704S When the power is turned on with nothing pluged in to it,It reads over load and then shuts down.

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  • Anonymous Sep 12, 2008

    I have the same problem, I replaced two transistor, the PNP type, but when i connected again the problem remains, also i tested most of the other elements in the amplifier pack, I think tha i need the service manual of the pioneer VSX-D704S, i really appreciate if you can sent it to me to jbeto3@hotmail.com

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  • 97 Answers

Have the speakers disconnected and turn on unit. If it still shuts down due to thermal protection the amplifier IC pack is damaged. Amplifier IC is tied to one side of the power supply by design. The left channel is probably shorted at the MOSFET on the pack. Nothing you can do but have it serviced. This is a common PIONEER failure.

Posted on Apr 10, 2007

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1 Answer

How to hook up stereo audio receiver VSX - D704S to my laptop


You need an 1/8" stereo jack to rca cord. Plug into headphone out on PC then into back of receiver (I.e. aux/cd). Then turn stereo to that input.

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MY Pioneer VSX-826-K has just switched itself off and I can not get it to come back on?


try holding "advanced surround" and power buttons - it might be in protect mode.

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1 Answer

I have a pioneer vsx-d704s reciever and when it is at a very low to 0 volume i get a low level scratching only on the left side. im not sure if it goes away when i turn it up or not but i dont think so


The volume knob is dirty. Behind the face of receiver the "pot", (as they are called) needs sprayed with contact cleaner. I use CRC QD contact cleaner. If the volume is a slider your can use the straw type devise for pin point spraying in the slider slot with receiver off and unplugged. After spraying work the slider back and forth to distribute the cleaner inside. If you have to remove the cover for a rotary "pot"spray while working the dial. Hope that helps..

Jul 16, 2011 | Pioneer VSX-D704S Receiver

1 Answer

My pioneer VSX-D704S won't turn on. Only The standby light turns on.


Hello,

Your unit being stuck in standby mode is an indication that its having a power problem. Remove its plug from the wall and fix it back into the wall, then turn it on again. If its still stuck in safe mode, then the power supply board in the unit is the cause of the problem.

The power supply board might be defective and maybe that's why the unit won't power up. Its receiving power but it cannot transfer the current to the necessary part of the unit because a capacitor, diode, etc may have been faulty. Until these bad components are replaced, the unit might not come on.

To actually find out what's wrong, you need to disassemble the unit with a screw driver and check what's wrong. You will be needing a meter in order to test the components on the power board, once you detect any bad component, you can make necessary replacement at any electronics accessories store withing our vicinity. This is the only way by which you can detect the problem.

Of course, testing the power board with a meter will require someone that has the ability. So it you can't, then you might be needing the help of a repairman or you can call a friend that has the ability to help you out.

I wish you the best of luck.

Jan 17, 2011 | Pioneer VSX-D704S Receiver

1 Answer

Vsx-d507s receiver reads "power off" and shuts down. I know there could be a few different things causing this. How do I troubleshoot


Unplug all components and all speakers then power on again- still happening?
make sure that speaker leads are not touching each other or faulty speakers

Jan 14, 2010 | Pioneer VSX-D507S Receiver

1 Answer

Blown 125v 10amp fuse blown what is the problem?


The problem shall be in the Power section of the amplifier. Check for burned transistors.

Nov 20, 2009 | Pioneer VSX-D704S Receiver

1 Answer

My Pioneer VSX-D704S WILL NOT POWER ON. WHEN I PUSH THE POWER BUTTON NOTHING HAPPENS. THEN THE STANDBY LIGHT COMES ON.


It is in protection and will need to be serviced. Find a local AUTHORIZED pioneer service center.

Jun 10, 2009 | Pioneer VSX-D704S Receiver

1 Answer

Vsx-d704s


there is a problem with the apeakers, the speaker feed wires or worse case is a blown audio output stage circuit in the amp. Good Luck

Apr 08, 2007 | Pioneer VSX-D704S Receiver

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