Tuesday, April 4, 2017

Peavey PV20 USB 20 Channel Mixing Console repair

Recently I needed to fix a Peavey PV20 USB 20 Channel Mixing Console.  The main volume sliders had worn out.  It took a while of searching but I found the needed parts.  They are Panasonic 10K ohm 60 mm slide potentiometers.

To get inside you have to remove the security screws and the screws that hold the power supply to the bottom cover.  Then you have to remove the knobs, nuts and screws to remove the main board.  There is one screw hidden under the reverb board.

The new sliders were a little shorter than the old ones so I had to mount them above the board as can be seen in the following picture:

Then there was another problem.  The new controls did not work at all!  They are stereo controls and the old ones were mono controls.  So there needs to be two jumpers installed on the bottom of the mixer to make it work.  Those jumpers are shown in the following drawing:

Here is a picture of the jumpers on the back side of the main board.


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Rich Pashia said...

Call Peavey Parts at (800) 752-7896 and they will sell you the correct fit part and in most cases cheaper than anyone else. I've bought several of these from them over the past few years for repairs and they sell an updated version of that slider. If Im not mistaken the last ones I bought were less than $3.