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Cerwin Vega BG-250 schematic needed.

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  • Cerwin Vega BG-250 schematic needed.

    Searched hi and low and cant find one available anywhere online. Does anyone have one they can share?
    Thanks

  • #2
    I have no idea where I got it but here it is.


    CerwinVega BG250.zip

    Comment


    • #3
      Originally posted by Jazz P Bass View Post
      I have no idea where I got it but here it is.


      [ATTACH]34134[/ATTACH]
      Oh man thank you Jazz! Got a weird preamp issue and hope this will help me get it sorted.

      Comment


      • #4
        Those schematics are, unfortunately, incomplete.

        They only include PA driver, PA power section and LED board driver.

        No power supply schematics, no preamp schematics, only those three.

        Comment


        • #5
          Originally posted by teemuk View Post
          no preamp schematics
          I took that to be an RCA connector at the input of the driver board? And level control at U101?
          It's just a power amp for line level signals, isn't it?
          Originally posted by Enzo
          I have a sign in my shop that says, "Never think up reasons not to check something."


          Comment


          • #6
            That is a bummer. I will be able to get it all apart this weekend and see what is happening but not sure without a good schematic.

            Comment


            • #7
              So this is a bass amp, not just a power amp, and the preamp schematic is missing. There was another thread about it and the schematic was never found.
              I believe it used to be here, maybe wayback machine would have it? cerwin-bg250-1.jpg Photo by monolith | Photobucket
              Originally posted by Enzo
              I have a sign in my shop that says, "Never think up reasons not to check something."


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              • #8
                cerwin-bg250-1.jpg Photo by monolith | Photobucket

                That's the LED board.

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                • #9
                  That's odd. Now there are 2 pics of the LED board. Earlier when I linked it, one of them said "picture removed" but its tab was labelled "BGW 250 Preamp".
                  Originally posted by Enzo
                  I have a sign in my shop that says, "Never think up reasons not to check something."


                  Comment


                  • #10
                    If you click on the link in the first post here, you'll see what I mean. The photo name in the address bar will actually change after a few secs. Weird.
                    http://music-electronics-forum.com/t22543/#post188433
                    Originally posted by Enzo
                    I have a sign in my shop that says, "Never think up reasons not to check something."


                    Comment


                    • #11
                      Push comes to shove, this guy got it.
                      34 pages/ $20.00
                      http://www.musicparts.com/products.a...ny=Cerwin-Vega

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                      • #12
                        Originally posted by Jazz P Bass View Post
                        Push comes to shove, this guy got it.
                        34 pages/ $20.00
                        Cerwin-Vega Schematics
                        I did see that when I was hunting as well. I hope it doesn't come to that but $20 isn't a deal breaker if so.

                        Comment


                        • #13
                          If possible, post it here after you get it.
                          Juan Manuel Fahey

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