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kevinkeyser

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  1. kevinkeyser

    Hi Kevin 

    I am working on a MXR 130.  It was intermittent when I got it so I decided to re-cap, relay and TC9147BP plus trim cap.  I still have no display or control.  I did find and replace several shorted caps and burnt resistors.  I recently repaired a MXR 90 and have been comparing voltages, as the circuits are very similar.  Any areas to check and voltages would be greatly appreciated.  

     

    KevinKeyser

    1. kve777

      kve777

      Look at all of your powers and grounds to the IC's. I've found numerous shorted caps and open resistors along those paths. 

    2. kevinkeyser

      kevinkeyser

      Thanks   Will check the next time I get some time to play. 

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