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 Forum index » DIY Hardware and Software » Ken Stone designs - CGS
Steiner VCF Euro
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w4z



Joined: Aug 27, 2009
Posts: 13
Location: Detroit

PostPosted: Sun Sep 06, 2009 10:06 am    Post subject: Steiner VCF Euro Reply with quote  Mark this post and the followings unread

Could some one be so kind as to take a picture of this modification?

Ken says on his site;
IMPORTANT! Further builds have discovered a problem when running this design on 12 volts. If you wish to run on 12 volts and find the module hard or impossible to set up due to uncontrollable resonance, short out every third diode in the diode divider chain. It will still work on 15 volts with these diodes shorted out.

I'm having a hell of a time figuring this out. I am assuming i need this mod since I am fitting it in my euro system. I am fairly new to DIY so any input would be greatly appreciated

Thank you,
-Waz
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andrewF



Joined: Dec 29, 2006
Posts: 1176
Location: australia
Audio files: 4

PostPosted: Sun Sep 06, 2009 4:33 pm    Post subject: Reply with quote  Mark this post and the followings unread

hi
There is a series of 12 diodes in the circuit,
you need to replace every third diode with a link (a piece of wire will do, clippings from the resistors)
If you look at the PCB, say diode #1 is next to the CGS35EURO label, replace diodes 2, 5, 8, 11 with links.

'short out' usually means to replace a component with a link, so there is a direct connection between two points of the circuit.
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