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Service Manual
Contents

1  General Note............................................................................................................................................. 2
2  Manual Changes....................................................................................................................................... 2
 2.1    Having pulse-width modulation (PWM) for the rectangular wave on OSC1..OSC3 .......................... 2
   2.1.1     OSC1.......................................................................................................................................... 2
   2.1.2     OSC2.......................................................................................................................................... 2
   2.1.3     OSC3.......................................................................................................................................... 2
 2.2    OSC3/LFO sync with OSC1 or OSC2 ............................................................................................... 3
 2.3    Even faster envelopes ....................................................................................................................... 3
 2.4    Increase the tuning range for OSC1..OSC3 ...................................................................................... 3
 2.5    General in/outputs ............................................................................................................................. 3
   2.5.1     Oscillators................................................................................................................................... 3
   2.5.2     Envelopes................................................................................................................................... 3
   2.5.3     Filter............................................................................................................................................ 3
   2.5.4     Distorter ...................................................................................................................................... 4
   2.5.5     VCA ............................................................................................................................................ 4
3 Assembly plan Analogue Print (see also separate .gif file at the homepage)........................................... 5
4 Assembly plan Digital Print ....................................................................................................................... 6
5 Adjustment ................................................................................................................................................ 6
 5.1    Adjustment of 12.000 V Supply ......................................................................................................... 6
 5.2    CV slope adjustment ......................................................................................................................... 6
 5.3    Osc1 .................................................................................................................................................. 6
 5.4    Osc 2 ................................................................................................................................................. 6
 5.5    Osc 3 ................................................................................................................................................. 7
 5.6    Filter................................................................................................................................................... 7
 5.7    Noise generator ................................................................................................................................. 7




                                                                                  
                                                                             3DJH
1 General Note
Fully schematic is not supported by this manual. If you think you really need to receive it, please write to
[email protected] .


2 Manual Changes

2.1   Having pulse-width modulation (PWM) for the rectangular wave on
      OSC1..OSC3

2.1.1 OSC1
Open B1 with a sharp cutter.

2.1.2 OSC2
Open B2 with a sharp cutter.




                                                         Pictures shows Backside of the PCB.

2.1.3 OSC3
Open B3 with a sharp cutter.




                                                     
                                                  3DJH
The square Pad is now the DC Signal input for PWM. It ranges from 

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