Vintage Synth Repair

Maybe a power supply problem?? sagging? pitch response out, and volume
problems at the same time suggests maybe something is up there to me. This
is quite obvious though... did he check the power rails when the weirdness
was hapenning?

my flatmate fixed a totally dead arp axxe a few weeks ago, he managed to
work out what was what in the axxe by using odyssey schematics from the net.
though you may not want to pay a tech to work that way, its a bit slow....



julian



This ink is white.
This room is filled of bugs.
This girl have a beauty edge.
It is a noise which to cleave the head.
- English as She is Spoke

----- Original Message -----
From: "Paul BENNETT(LFM)" <p.bennett@...>
To: <vintagesynthrepair@yahoogroups.com>
Sent: Thursday, January 03, 2002 1:33 AM
Subject: [vintagesynthrepair] ARP AXXE Problems


> Right where do I start,
>
> My little AXXE (mk2 black and orange) seems to having a strange envelope
> problem. When you turn the arp on, and its set to S and H with the
keyboard
> trigger repeat set, the envelope section works as normal following the LFO
> speed. After about 15 seconds or so it starts to drop out in a very slow
osc
> type of way (very vague I know). The volume drops and everything starts to
go
> out of tune etc then returns to normal and then back again.
> At this point there normally is a tone which is on tone lower than the
lowest
> key.
> When you play notes straight on the keyboard it does the exact same thing
and
> it appears to be some sort of component break down somewhere on the
trigger
> section. The keyboard intermittently stops working too and the CV gate
sockets
> won't work.
> Its been to my repair man who needs schems, nothing is obviously knackered
but
> he's at a lose without more data.
>
> Thanks for reading this rubbish and all the best to you list guys.
>
> B
>
>
>
>
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