ASM-1 Problem

[Debby and Gene Stopp]

Hi Paul,

I just realized that I can't read it either, on the copies that I send out!
It's the resistor that takes the + input of the 3140 to ground, which is
labelled 15K in the schematic. Most of the boards that I've built use 10K
here - it's not really critical. 15K is just the textbook value.

In the process I realized that the 1.8K resistor in the same place on the CV
summing amp (+ input to ground) on the schematic has no place for a resistor
on the PCB - it just goes straight to ground. No big deal electronically,
but it's a mismatch between the schematic and the PCB, and probably the
parts list too. My apologies to everybody about the inaccuracies - I always
build PCB's from the trace/component level and worry about the documentation
later.

So, a message to all ASM-1 builders - thanks for the feedback, and don't
hesitate to email me if you need help! There's probably a few more errors in
there.

- Gene


----- Original Message -----
From: "Paul Wilkinson" <synthdiy at mail.com>
To: "Synth synthdiy" <synth-diy at node12b53.a2000.nl>
Sent: Friday, April 28, 2000 12:51 AM
Subject: ASM-1 Problem


> Can someone look up a resistor value on the ASM-1 parts layout sheet for
me?
> One of the resistor values is illegible.  It's in the filter between the
> 100K resistor and the 3140.  It's in the middle of the page, right on the
> crease.  If you start at the top left of the filter, go right past the 5
> CV's, the 4 IN's, the word "POT", you'll get to the 100K resistor.  It's
the
> one below that.
>
> Thanks a bunch!
>
> - Paul
>
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