[sdiy] Ray Wilson Envelope Generator

[Scott Gravenhorst]

Jim Bob <c10h14no2i at yahoo.com> wrote:
>
>Has anyone built the Ray Wilson ADSR? I built two of them. One 
>works fine, but the other does not work. Two of the IC's get hot 
>when it has power. I have checkd every solder point. I have 
>checked every component value. I have checked the polarity on 
>everything. I have checked that all of the diodes are ok. I 
>removed all of the IC's, put in IC Sockets and installed all new 
>IC's. I still have the exact same problem! I can't think of 
>anything else to try. I am about to give up, If anyone has built 
>it and knows a little more about electronics than I, maybe you 
>could think of a reason IC's U3 (cd40106) and U4 (cd4066) are 
>getting hot. Any advice would be greatly appreciated. 

check the power pin wiring on the hotties, make sure it isn't backwards.

>  
>  http://www.musicfromouterspace.com/analogsynth/ADSR001/ADSR001.html
>  
>  Scott
>  
>
>		
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