Doepfer

Hi Nick,
I'm contemplating the same thing: I have one suitcase with an old, humming ps and another with the new quiet one. What did you do with the old supplies? Auction them off?
How much time did it take to do the replacing?
g

__________________________

Message: 3         
   Date: Sat, 19 Nov 2005 14:35:22 -0500

   From: "n keller" <nirokesan@hotmail.com>
Subject: RE: g6 frame power supply replacement question


Dave ,

    PSU2 is the way to go.  There is no problem with mounting.  You'll end 
up with extra power for future expansion and you're room will be a bit more 
quiet.  I've replaced most of the PSUs in my system.  I had a problem with 
considerable ambient hum, especially noticable when the A-100 was the only 
thing powered up in the room.  PSU2 runs totally silent so they are worth it 
for that alone.

nick

>From: davevosh@aol.com
>Reply-To: Doepfer_a100@yahoogroups.com
>To: Doepfer_a100@yahoogroups.com
>Subject: [Doepfer_a100] g6 frame power supply replacement question
>Date: Sat, 19 Nov 2005 08:12:29 EST
>
>
>
>
>_Doepfer_a100@yahoogroups.com_ (mailto:Doepfer_a100@yahoogroups.com)
>
>
>
>
>hello to all -
>well, i seem to have suffered my first doepfer failure in 6 years -  a  
>power
>supply in a g6 frame seems to have failed -  "nice" scorched smell  and 
>only
>one of the busboard leds is lit.
>so, i`m about to order a replacement supply from u.s. distributor as it
>looks like an easy repair/replacement job.
>my question is - are the new supplies doepfer issued preferred or would the
>original supply be okay ? the few dollars difference aren`t the issue so 
>much
>as  i`m not sure the new version will fit/mount like the older one - ?
>any thoughts appreciated..............
>best,
>dave
>
>
>
>
>
>[Non-text portions of this message have been removed]
>

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[Non-text portions of this message have been removed]

Gino,

  How's it going?   The first replacement was because I too (dave) melted my 
PSU.  The two other replacements are now being used again since I built a 
custom set of boxes.  I actually could power my system on three PSU2s, but 
using the other two older models means I can have a separate power supply 
for each box.
   As far as time spent on each replacment.....maybe 10-15 minutes, if that. 
   Take off the back panel (6 screws), remove all wires from old PSU, 
unscrew PSU1, screw in PSU2, attach wires, attach panel.  The only thing 
that threw me at first was due to my own lack of electronic experience, but 
it seems obvious now......  the wires coming from the mains switch can 
attach either way to the posts marked "AC Inputs" ( but don't put both on 
the same side!  you'll see if you look at the PCB that there is an 
additional post for each side for connecting a +5V PSU).   Also, if there is 
no GROUND post on that end of the PCB you can attach the GREEN/YELLOW wire 
from the case to the other end of the PCB where you should find 4 of each 
post (-12V, GND, +12V)  .

  It's almost foolproof.  Just keep track of what wires from the bus boards 
go where or else you got big problems.

nick


>From: "Robair, Gino" <GRobair@primediabusiness.com>
>Reply-To: Doepfer_a100@yahoogroups.com
>To: <Doepfer_a100@yahoogroups.com>
>Subject: [Doepfer_a100] RE: g6 frame power supply replacement question
>Date: Sat, 19 Nov 2005 16:08:17 -0600
>
>Hi Nick,
>I'm contemplating the same thing: I have one suitcase with an old, humming 
>ps and another with the new quiet one. What did you do with the old 
>supplies? Auction them off?
>How much time did it take to do the replacing?
>g
>
>__________________________
>
>Message: 3
>    Date: Sat, 19 Nov 2005 14:35:22 -0500
>    From: "n keller" <nirokesan@hotmail.com>
>Subject: RE: g6 frame power supply replacement question
>
>
>Dave ,
>
>     PSU2 is the way to go.  There is no problem with mounting.  You'll end
>up with extra power for future expansion and you're room will be a bit more
>quiet.  I've replaced most of the PSUs in my system.  I had a problem with
>considerable ambient hum, especially noticable when the A-100 was the only
>thing powered up in the room.  PSU2 runs totally silent so they are worth 
>it
>for that alone.
>
>nick
>
> >From: davevosh@aol.com
> >Reply-To: Doepfer_a100@yahoogroups.com
> >To: Doepfer_a100@yahoogroups.com
> >Subject: [Doepfer_a100] g6 frame power supply replacement question
> >Date: Sat, 19 Nov 2005 08:12:29 EST
> >
> >
> >
> >
> >_Doepfer_a100@yahoogroups.com_ (mailto:Doepfer_a100@yahoogroups.com)
> >
> >
> >
> >
> >hello to all -
> >well, i seem to have suffered my first doepfer failure in 6 years -  a
> >power
> >supply in a g6 frame seems to have failed -  "nice" scorched smell  and
> >only
> >one of the busboard leds is lit.
> >so, i`m about to order a replacement supply from u.s. distributor as it
> >looks like an easy repair/replacement job.
> >my question is - are the new supplies doepfer issued preferred or would 
>the
> >original supply be okay ? the few dollars difference aren`t the issue so
> >much
> >as  i`m not sure the new version will fit/mount like the older one - ?
> >any thoughts appreciated..............
> >best,
> >dave
> >
> >
> >
> >
> >
> >[Non-text portions of this message have been removed]
> >
>
>_________________________________________________________________
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>[Non-text portions of this message have been removed]
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_________________________________________________________________
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Gino,

for someone who is a bit familiar with electronics it is not a problem to
replace the old the transformer by the toroid/ringcore transformer. For
older versions of the power supply one has to drill a hole for the
transformer mounting. Newer versions of the pc board (even those with the
standard transformer) have this hole already available.
We offer the toroid/ringcore transformers as spare parts but any other
transformer with 2x15V/1200mA will be OK.

And I have to repeat this boring comment: Any modification has to be carried
our by qualified persons only because of electrical safety (dangerous mains
voltage).

Best wishes
Dieter Doepfer

> -----Ursprüngliche Nachricht-----
> Von: Doepfer_a100@yahoogroups.com
> [mailto:Doepfer_a100@yahoogroups.com]Im Auftrag von Robair, Gino
> Gesendet: Samstag, 19. November 2005 23:08
> An: Doepfer_a100@yahoogroups.com
> Betreff: [Doepfer_a100] RE: g6 frame power supply replacement question
>
>
> Hi Nick,
> I'm contemplating the same thing: I have one suitcase with an
> old, humming ps and another with the new quiet one. What did you
> do with the old supplies? Auction them off?
> How much time did it take to do the replacing?
> g
>
> __________________________
>
> Message: 3
>    Date: Sat, 19 Nov 2005 14:35:22 -0500
>    From: "n keller" <nirokesan@hotmail.com>
> Subject: RE: g6 frame power supply replacement question
>
>
> Dave ,
>
>     PSU2 is the way to go.  There is no problem with mounting.
> You'll end
> up with extra power for future expansion and you're room will be
> a bit more
> quiet.  I've replaced most of the PSUs in my system.  I had a
> problem with
> considerable ambient hum, especially noticable when the A-100 was
> the only
> thing powered up in the room.  PSU2 runs totally silent so they
> are worth it
> for that alone.
>
> nick
>
> >From: davevosh@aol.com
> >Reply-To: Doepfer_a100@yahoogroups.com
> >To: Doepfer_a100@yahoogroups.com
> >Subject: [Doepfer_a100] g6 frame power supply replacement question
> >Date: Sat, 19 Nov 2005 08:12:29 EST
> >
> >
> >
> >
> >_Doepfer_a100@yahoogroups.com_ (mailto:Doepfer_a100@yahoogroups.com)
> >
> >
> >
> >
> >hello to all -
> >well, i seem to have suffered my first doepfer failure in 6 years -  a
> >power
> >supply in a g6 frame seems to have failed -  "nice" scorched smell  and
> >only
> >one of the busboard leds is lit.
> >so, i`m about to order a replacement supply from u.s. distributor as it
> >looks like an easy repair/replacement job.
> >my question is - are the new supplies doepfer issued preferred
> or would the
> >original supply be okay ? the few dollars difference aren`t the issue so
> >much
> >as  i`m not sure the new version will fit/mount like the older one - ?
> >any thoughts appreciated..............
> >best,
> >dave
> >
> >
> >
> >
> >
> >[Non-text portions of this message have been removed]
> >
>
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