MOTM

I would replace it. It's off-the shelf, nothing special.

The vactrol is a combination LED and photocell. It's a variable resistor!

Paul S.

----- Original Message -----
From: Nathan Hunsicker <nate@...>
To: <motm@egroups.com>
Sent: Friday, April 28, 2000 7:52 AM
Subject: Re: [motm] 410 HELP!!!


> Also, could I have done any damage to the op amp by running it backwards?
> (it was only for 2 or so minutes) If I damaged it, is it any different
> thana standard off-the-shelf TL074? And just a curiosity question, what
are
> the vactrol units actally designed to do? some sort of LED driver? -Nate
>
>
> >
> >You're absolutely right!!! Why do they have to confuse me by putting a
dot
> >
> >and a notch on the case? I must have checked it 10 times before noticing.
> >
> >-Nate
> >
> >
> >
> >>
> >
> >>IT'S IN BACKWARDS!!!!
> >
> >>
> >
> >>
> >
> >>
> >
> >>Paul S.
> >
> >>
> >
> >>
> >
> >>
> >
> >>----- Original Message -----
> >
> >>
> >
> >>From: Nathan Alan Hunsicker <nate@...>
> >
> >>
> >
> >>To: MOTM Newsgroup <motm@egroups.com>
> >
> >>
> >
> >>Sent: Thursday, April 27, 2000 10:57 PM
> >
> >>
> >
> >>Subject: [motm] 410 HELP!!!
> >
> >>
> >
> >>
> >
> >>
> >
> >>
> >
> >>
> >
> >>> I just finished the 410 tonight, the filters work fine as do the depth
&
> >
> >>
> >
> >>> sweep controls however, I cannot get the internal LFOs to work. My
rate
> >
> >>
> >
> >>> knob does nothing and upon further investigation I found that the
TL074
> >
> >>
> >
> >>> op amp is getting VERY hot. Any ideas? I double checked all my
> >
> >>
> >
> >>> connections and solder joints, everything is in the right place and
> >
> >>
> >
> >>> facing the right way. I cannot figure it out, any help would be
> >
> >>
> >
> >>> appreciated. Thanks -Nate
> >
> >>
> >
> >>>
> >
> >>
> >
>
>>> ------------------------------------------------------------------------
> >
> >>
> >
> >>> Was the salesman clueless? Productopia has the answers.
> >
> >>
> >
> >>>
> >
>
>>><<http://click.egroups.com/1/3019/3/_/529958/_/956894148/>http://click.eg
roup
>
>>>s.com/1/3019/3/_/529958/_/956894148/><http://click.egroups.co>http://clic
k.egrou
> >>>ps.co
> >
> >>>m/1/3019/3/_/529958/_/956894148/
> >
> >>
> >
>
>>> ------------------------------------------------------------------------
> >
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>
> ------------------------------------------------------------------------
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