Question about Peavey Music
Owner's manuals and spec sheets that are not available on our web site may be obtained by mail (via money order) or by phone (via credit card). Spec sheets and schematics are $2.50 per copy, and owner's manuals are $7.50 (paperback) and $20 (notebook).
Send Money Order to:
Peavey Electronics Parts Department
PO Box 2898
Meridian, MS 39302
Credit Card orders by phone:
Posted on Sep 25, 2017
SOURCE: Peavey 400SC
You can find Peavey's manuals in their archives at
They are grouped alphabeticaly across the top.
Go Fer' It,
Posted on Dec 15, 2008
The negative battery terminal will go to a black wire and that will be soldered to one of the volume control cases. That makes the remaining wire easy. The negative terminal pole on the battery is the larger round one.
Posted on Jul 06, 2009
The preamp section has a problem. It could be anything in the preamp but is OFTEN the input jack itself. They take a lot of abuse.
Also the insert jack contacts that forward the preamp to the power amp if no external FX are used can go bad.
Additional things are circuit board cracks caused by rough handling and also controls that have had the knobs mashed in which can destroy the potentiometers they are connected to.
Posted on Sep 22, 2009
SOURCE: I have a Peavey MAX
The amp is doing what is called "motorboating". This is usually caused when the voltages to sensitive preamp stages are inadequately filtered or regulated and the sudden load of the output stages cause a dip in the voltages sent to the preamps which in turn vary the input to the output stages starting the cycle over. This will require electronic troubleshooting and if your not skilled in that, then it is NOT a DIY fix. What you are seeing is NOT normal, there is a defect.
Posted on Apr 23, 2011
Try these schematics:
Scroll down to "Get Manual" at the web page and click on it to download.
Please note that on the first schematic above, the power amp schematic is way down beyond the parts list and layout of the preamp section... keep scrolling. ALSO the powoer amp shows a real WIERD connection where the output transistors drive against ground and the center tap of the power supply transformer for the power amp portion then bounces around with the audio output... that is a wierd connection but it is possible.
Posted on May 24, 2011
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