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Fender Mustang II amp no output, looking for schematic

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  • #16
    Thanks to all and find the problem of my fender mustang, resistance R160 1W completely burned, U170 also damaged, will soon sound again ...
    Without your help it would have been impossible greetings from Spain

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    • #17
      If R160 (22R/ 1W) burned check (replace) C142, C181

      Before any intervention first dismantle U108 (7915) and with an ohmmeter check for possible short circuit between -15V supply and the ground.

      If U108 (7915) burned check (replace) U108 (7915), D122, capacitors in -15V supply C145 ... C155, C183 (0.1uF) C144 (10uF / 16V)
      It's All Over Now

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      • #18
        Thanks for your help vintagekiki I am looking at the schematic and I see everything I have to replace ..in my city there is nothing I have to buy outside, I think the quality of this amplifier is bad they all burned

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        • #19
          hello my fender mustang work!!! thank you all C181 is short and burned resistence R160

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          • #20
            Hi, I tried to find the schematic diagram for mustang 2 v2, link posted by vintagekiki, but i cant find the specific model. Can someone post again a link for diagram. Thank you

            Socrates

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            • #21
              Originally posted by Setarcos08 View Post
              Hi, I tried to find the schematic diagram for mustang 2 v2
              As far as I know, this is the schematic for both the I and the II. (attached)

              Attached Files
              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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              • #22
                Originally posted by g1 View Post
                As far as I know, this is the schematic for both the I and the II. (attached)
                Thank you so much Sir g1.

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