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CGS 116 ADSR question

2012-09-22 by Stephen Richards

Hi Ken

I have everything working on the MARSH panel except the ADSR's.

I have installed the transistor marked in red on the build page backwards. I used a BC547 there though not a 2N3565.

Everywhere else that required a 2N3565 , i used a 2N3904 in it's correct orientation.


Everywhere else that required a 2N5089 , i used a 2N3904 in it's correct orientation.


Everywhere else that required a 2N4250 , i used a BC557 in reverse orientation.


I'm getting an led constantly lit at power up.

Could any of this be the problem ?

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