OBERHEIM SYNTH

is the power supply right?  it may be out and the slop is making other routines have problems.
 
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On Saturday, January 18, 2014 12:05 PM, Simone Ferrari <enomys@...> wrote:
 
  
hi, i have the same problem my Matrix 12, somebody told that I have to change old electrolytic caps with new, becouse they could change their value during the years. I didn't try it yet, but maybe it's the solution.
Simon



Il giorno 17/gen/14, alle ore 09:21, <joseph.redhemption@...> <joseph.redhemption@gmail.com> ha scritto:

[Attachment(s) from joseph.redhemption@gmail.com included below] 
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>I have recieved the new dac, put into place, made calibration but still same problem.
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>I have attached scope picture of the 5V supply, U903_pin4 and U904_pin2 to show signals.
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>There is this kind of burst on the 5V supply.
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>The signal on U904_pin2 look awfull.
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>Any idea what could be wrong?
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