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Apr 29

Vypyr Schematics Collection

Vypyr DSP Board

Vypyr DSP Board

This page contains links to my collection of Vypyr schematics, photographs, and illustrations.  Please leave a comment if you find these useful.

PLEASE PLEASE PLEASE

If you have any pictures if the inside chassis of any of the Vypyr amps that I don’t have here please send a copy to Vypyr Schematics. Also, any missing schematics would be greatly appreciated. I’m looking for the Sanpera I schematic in particular, but a lot of the tube Vypyr schematics are missing from this collection as well. Recently added the schematics for the VIP 2 amplifier. There are some interesting similarities and some surprising differences between the classic Vypyr and the VIP designs. It is pretty obvious that Peavey applies some good process improvement in their design group.

Thanks go to WashburnTabu on the Peavy Vypyr Forum for collecting most of these.

Generic Vypyr Boards
Vypyr 30 Specific Power Supply -Amplifier Schematic
Vypyr 60 Specific
Vypyr 75 Specific
Vypyr 120 Specific
Sanpera Controllers

Vypyr VIP Schematics

Generic Vypyr VIP Boards
Vypyr VIP 2 Specific
Vypyr 100 Pro Specific

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  1. The Mighty Seaman

    Are there any actual pictures of the boards available or just the drawings.
    I h
    I bought a VYPER 30, thinking that it had a USB (Because,the Peavey sticker on the Amp said the 30 Watt had ,”Studio Quality USB.”.
    I’m not good at schematics. So, if I could see the insides I’d have a better idea as to if I could get a USB board and just be able to plug it into the board on the Amp, cut a slot for the plug and call it good.
    Or, if I’ll have to do some soldering if it’s possible at all?

    1. Glen

      You can kind of see the board on the 60 and 75 watt chassis pictures HERE. The board has the aux input and headphone out jacks on it as well as the USB port. If you look, you will see that it has two ribbon cables that go to the DSP board. Your Vypyr DSP board does not have the header pins on it. Adding them involves unsoldering the pin holes on the board, then soldering in a new pin header. If you aren’t familiar with using a solder sucker you are probably not up to taking on this task.

      With the header pins soldered into the DSP board, the next step is to buy an aux/midi board and a USB ribbon cable from Peavey. I have not priced these recently, but they used to cost around $40.00.

      New Peavey board in hand, the next step is to fabricate a board mount in the chassis to hold the board and to drill holes for the Aux input, headphone out, and USB B connector somewhere in the chassis (nothing says they have to be on the front). If you aren’t familiar with metalwork in small chassis boxes I can assure you that this will end up looking like crap, so seriously consider mounting this on the back of the chassis instead of the front.

      As I said in my other response, the end result (Peavey USB connection to computer) truly is not a valid solution to recording your riffs. The only reason to consider doing this is for the novelty, not for the music.

  2. The Mighty Seaman

    Would it be possible to put a USB on a Vyper 30.
    I bought one when they first came out. When I got it at the store I took it out the box and tested it (Before I paid for it.).
    It had a nice sticker on the front speaker that said, “VYPER 30 Watts Studio Quality USB.”
    I thought that I had to by a USB adapter to plug into the MIDI port (Computers were just starting to take leaps. So,I inquire about it.).
    After, I got a computer that I thought would be able to handle the systems requirements I started to look into how to take advantage of this “Studio Quality USB”.
    Even though it says that it has a Studio Quality USB (I still have the sticker on the side of the amp.) I can only find out that it is only available in the higher Watage VYPER Amps.
    So, would I be able to put a USB port on my 30 (Like it should of already had.)?

    1. Glen

      Is it possible? Yes, but the better question should be does it make sense. I’ve spent a lot of time and effort messing with recording using the Peavey USB port and can tell you from personal experience that the Vypyr USB implementation is not adequate for recording. It is limited, tends to be noisy, Is difficult to match signal levels with computer inputs and the list goes on.

      Assuming that you are looking for a USB connection to record direct from your amplifier, just say no. Reasonable audio interfaces are readily available that do a much better job at very reasonable cost that really work for recording (zero latency monitoring, proper impedance matching, headphone and line/computer outputs, etc.). Buy something like a Scarlett 2X2 audio interface and connect your Vypyr to it using the headphone out on the Vypyr to the Interface.

      Just recording your guitar riffs isn’t something that you can do much with. Once you’ve done it you will wonder why. Find a good DAW (Digital Audio Workstation) program for your computer and start doing your own multi-track recording. Lay down the rhythm for a song then play your leads to complete the song. You might even consider getting a good microphone to plug into the interface and do some vocals.

      Yeah, it is possible to solder in the USB jumpers in a Vypyr 30, change the model dip switch settings on the encoder board and buy/install a USB board from Peavey, and connect your Vypyr to your computer. My advice is that it isn’t worth the effort.

      Lots of good DAWs out there. If you have a Mac you already have one installed (Garage Band). I recommend Cakewalk products with Home Studio being a great starting point (about $60.00) or Reaper can be run in demo mode forever.

  3. Glen, You did a great job, I wanted to know if there is a way to add effects loop in this amp just after the AMP channel….so that we can put in Noise gate(that is just after the Amp’s drive), EQs, different analog effects…..followed by the amp’s inbuilt reverb and delay and then the output.

    Since you have studied the schematics it would be easy for you to state…just a little push in my direction of thought would be enough. Thank you, 😀 😀

    P.S.:Mine is Peavey Vypyr 30

    1. admin

      There is an effects loop mod that you should be able to find in the Peavey forum. This sits between the final DSP altered output and the power amplifier. Not quite what you are asking about, but it is about as close as you can get with DSP modeling I’m afraid.

      Glen

      1. Thanks a Lot glen 😀

  4. dougmtx

    Glen,

    Thanks for all the information!

    I don’t know if this will help you or not but I’m looking at the main board from a silver Sanpera 1 and it has the same part number as the Sanpera 2 in your schematic.
    If it would be of any help I’ll compare and let you know what parts are not loaded on the 1.

    The reason I came across your site is that this Sanpera 1 (again an older silver one) does not light up with my daughters brand new VIP 3. Do you know if the older Sanperas are compatible with the new VIP’s.

    Again thanks for the info!

    1. Glen

      The Sanpera’s are all supposed to be compatible with the VIP amplifiers. You aren’t getting any lights on the Sanpera? I have had problems where the MIDI cable

      1) did not plug in all the way because the chasis on the amp interfered with the plug edges
      2) plugged in upside down (bending pins). The socket is ‘upside down’ on the Sanpera
      3) plugged in one pin sideways.

      Also, if you are not using a Peavey supplied cable you may want to check that all eight pins (and the shield) are connected through. Some eight pin cables are only wired for seven pins.

  5. slied

    Do you know which screws take the 75w chassis out? Would be much help if you coukd clarify here thank you!

    1. Glen

      There are four screws on the top of the amplifier. These are on the metal strips. These are long screws and must be completely removed to take the chassis out. No need to unscrew the handle. Then, on the back of the amplifier there are two screws holding the back of the chassis up.

  6. ClassicGuitarUser

    Hi.
    I have another problem
    One time im turn on my vypyr 30 but… Sanpera doesn`t work. It`s realy dead all is turned off (leds, pedal doesn`t work). I`ve tried to check cable but aslo with connection with midi slot signal passed but all is dead. Where is the problem?

  7. stiff

    Hi

    Looking for some help with a VYPYR 30 amp, owner has been using aux out and headphones jack to run through computer

    we now have no output from the power amp (headphones good) power amp seems to be working, but no audio signal getting to the board struggling to find where iam loosing the signal

    noticed U3 running hot 5V supply is this normal

    1. admin

      This seems to be an all too common problem. The headphone jack ‘switch’ is way under engineered and breaks with the slightest abuse. It is fairly easily replaced (and inexpensive from Peavey parts). A better solution would be to wire in a proper 1/4″ switched jack on the back of the chassis.

      1. stiff

        will try that but headphone socket works when headphones are plugged in, i take the headphone jack disconnects the input to the power amp was not clear to me maybe need to print the schematics out on A3 LOL

        gonna contact peavey hopefully they will have a stockist in the uk

      2. ClassicGuitarUser

        Hi. I have another problem
        One time im turn on my vypyr 30 but,, Sanpera doesnt work. Is realy dead all is tufned off (leds, pedal doesn`t work). I`ve tried to check cable but aso wit connection with midi slot signal going but all is dead. Where is the broblem?

  8. soad1789

    Hi, I posted in the updater blog about my amp. I’m 99% convinced now that the issue is the MIDI board. I’m not thrilled with the idea of sending in the control chassis to Peavey to fix it, since I think it’ll cost too much (shipping + parts + $55/hr). Do you think I could just replace that board to restore MIDI communication? Is there any other test I could perform to ensure it’s just that board and not the DSP board? Encoders work in test mode…

    Thanks for any advice you may have.

    1. admin

      The USB board is pretty inexpensivw and real easy ro replace.

      1. soad1789

        I assume you mean the MIDI board. I will call them for pricing and info, thanks!

  9. Reuben

    hey nice website
    I need to replace the resistor on the midi board ” R2 ” It should be 1.1 K ohms instead of 2.2K ohms. Part # 30200175
    would it be an easy fix?
    if so would it also be an easy part to purchase on a local hardware/electrical store?
    or does it has to be through peavey?
    i mean it only costs .49 cents through peavey but i would love to have it asap instead of waiting to get it shipped

    thanks

  10. Larry Braniff

    Do you have a photo of the 30 Watt Vypyr?

  11. Larry Braniff

    I have been looking through these schematics and I am curious is there a diagram from the foot switch board P1 to the 8 pin midi plug.

    1. Glen

      Not sure specifically what you are looking for, but there are four of them on the main borad in the Sanpera II schematic. P1 doesn’t go to the MIDI port. It goes to the Sanpera board which then connects to the MIDI port.

      1. Larry Braniff

        What I am trying to find out is if it possible to run a basic foot switch through the midi port or does it have to be the Sanpera. I saw a video where a guy build a home made foot switch that he ended up having to solder to the back of board where the controls are located. It worked great but would rather see if it would possible to go through the midi connector like the Sanpera.

      2. Larry Braniff

        I was referring to p1 in the Sanpera I switch/led schematic. Where does that go.

        1. Glen

          Larry – The MIDI port is a MIDI port – not just a switched line. If you want to switch your Vypyr you need to use the MIDI protocol. There are a couple of other MIDI options other than the Sanpera, but there is no way to use a simple foot switch for this.

          P1 goes to an 74HC165 on the mother board that is read by an CY8C27443 which converts the action to MIDI CC commands and sends them to the Vypyr using the MIDI serial protocol.

          1. Larry Braniff

            Thanks Glen, I figured that I havent studied or used the midi protocol to understand it so my best method would just buy one.

            Thanks for time I appreciated it very much
            Larry

  12. Steve Rutkowski

    Glen.. While looking through your pages I came across the ‘Pimp Your Vypyr’ link. This looked pretty interesting since I own a Vypyr 15. Unfortunately, the page it takes me to, drieg.com, is flagged as harmful by my Firefox browser. Could you verify that this is a non-harmful page? Or perhaps notify the page owner of the problem?

    Also, I’m going to be taking a closer look at your Virtual Vypyr program later today (gotta take my grandson fishing this morning). I’m a retired programmer with 31 years of computer graphics experience. Maybe I can put my experience to good use.

    1. Glen

      Steve,
      Thanks for the heads up. I checked the site and also found that it appears to have been hacked. I have removed the links from this site and posted what I hope are appropriate warnings. Petr is a straight up guy so I’m sure that wasn’t anything that he did intentionally.

  1. Japan

    Japan

    I like this page I think only those people who loves respect and like these pages

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