sh101 schematics

[Rob Zero]

Oh heck.. forget it! I was able to dl the service manual from
http://aupe.phys.andrews.edu/diy_archive/manuals/roland/sh101/

no prob.. Philips links just dont seem to work on my pooter mo-sheen.

heh!

Rob

----- Original Message -----
From: Rob Zero <cyborg_0 at iquest.net>
To: <synth-diy at node12b53.a2000.nl>
Sent: Saturday, May 06, 2000 3:07 PM
Subject: sh101 schematics


> Well, I seem to have a little problem. I *think* my cat was sitting on the
> dismantled sh101 I have sitting on my work table.
>
> I need to figure how to set vr1 and vr2.
>
> it seems that vr1 is just the voltage regulator trim, so I set that so
that
> I got out exactly 5v on the 5v supply.
>
> Now, vr2 will be a little more difficult. it looks like vr2 is set to trim
> the d/a converter, but what exactly would be the proper procedure for
this.
> I would guess that upon turning on that the output of pin 1 on IC9 should
be
> zero volts. Is this correct?
>
> Rob
>
>
>