sneakthief Posted July 28, 2007 Report Share Posted July 28, 2007 My MIDIbox CV suddenly started only putting out 1/2 the voltage that it should.So in the calibration page, when I select 1v, my multimeter reads .5v, and when I select 4v, I get 2v.Any ideas? I tried replacing the shunt but that didn't work.Any ideas?(note: my psu is correctly putting out +/-12v) Quote Link to comment Share on other sites More sharing options...
midiboxxer Posted July 28, 2007 Report Share Posted July 28, 2007 I have no experience with this project, but when I looked at the schematics I saw the 8 pots. When I´m right, you can adjust the outputrange with this 8 pots.There is a mathematical formula on the schematic. You should check the value of your resistors and then calculate the value of the pots.Best regardsMarkus Quote Link to comment Share on other sites More sharing options...
sneakthief Posted July 28, 2007 Author Report Share Posted July 28, 2007 solved!!!R1 had a dry solder joint :) Quote Link to comment Share on other sites More sharing options...
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