Vintage Synth Repair

Hi Tim,

If your OMNI seems to be out of order.... It could maybe save mine !!!! I am
searching for the master oscillator :

MK50240 (octave divider) from Mostek for my ARP OMNI MK1

I only need this IC.... I can trade with various SSM and CEM if you want....

Let me know...

Best Regards ;-)

@lexandre


----- Original Message -----
From: <nationwideclyde@...>
To: <vintagesynthrepair@yahoogroups.com>
Sent: Sunday, January 12, 2003 1:43 AM
Subject: [vintagesynthrepair] A Host of ARP Omni Problems


> As my DW8000 is sidelined, I figured I'd fire up the ARP Omni Mk1 I
> bought on eBay for $95, some repair necesary.
>
> Well, here's what's wrong so far.  First, I don't notice any
> difference at all with the Voice buttons on the right.  The Bass
> keys...most of them Do Not Work.  The polysynth string section seems
> to be ok except for dead top note, but the bass keys have all kinds
> of problems.  Some work, some interrupt a working note, some do
> nothing, and one or two of them actually modulate a working note.
> Bottom C has gone vibrato, no notes sound through low G, wich is the
> one that cross-modulates other notes, low F is the first note with no
> sound that will cut out a higher working bass key...etc... the Attack
> and Release sliders on string section do Nothing...LFO Speed slider
> is REAL touchy, all the range of it seems to be on the very rightmost
> of the slider, Master Volume switch, in addition to being snapped off
> flush with the panel, also does nothing.  Chorus Phaser also does
> nothing.  Also, half the slider caps on the top row are gone along
> with the caps for the Cello and 8' buttons.  Also, buttons tend to
> stick.
>
> On the plus side...none of the keys are cracked off as is common on
> old ARP's...
>
> So, did I get soaked for $95?  ($70 + $25 ship?)
>
> What must I do?
>
> Tim Hansen
>
>
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