Vintage Synth Repair

Hi Brian,

yes that'd be really cool, thanks.
It's actually not to bad to get to, I guess 45-60 minutes from where I live
(Uxrbdige)
I've ordered the parts yesterday but I think they come from the states so it
might be 1 to 2 weeks before I get them.

Laurent

Quoting Brian Davies <briang3oyu@...>:

> Hi Laurent
>
> I spend much of my life repairing amps and keyboards for a shop local to
> me \ufffd if you have no other offers I would willingly fit your devices for you.
> I live near Lingfield in Surrey.
>
> Regards
>
> Brian
>
> -----Original Message-----
> From: laurent [mailto:lists@...]
> Sent: Tuesday, November 23, 2004 10:43 AM
> To: vintagesynthrepair@yahoogroups.com
> Subject: Fwd: [vintagesynthrepair] K2000 outputs blown
>
> Hi all,
>
> well, I have narrowed down my search and identified and ordered the
> offending
> parts. It is a set of Junction FETS transistors fitted to each output (6 in
> total). I have ordered a set of 10 from Farnell in the uk.
> I was planning to fit these myself but since there rather small parts that
> need
> to be soldered and apart from replacing the backlight i've never done that
> sort
> of job, I was wondering if there was somenone technical enough in the uk
> that
> could help me? I live in west London but could travel a bit.
> If not, then any advice on how to replace these transistors would be
> welcome.
>
> Thanks
>
> Laurent
>
> ----- Forwarded message from laurent <lists@...> -----
>     Date: Fri,  8 Oct 2004 09:41:22 -0700
>     From: laurent <lists@...>
> Reply-To: laurent <lists@...>
> Subject: [vintagesynthrepair] K2000 outputs blown
>       To: vintagesynthrepair@yahoogroups.com
>
> Hello all,
>
> I just joined this board.
> I recently bought a Kurzweil K2000 and am experiencing strange problems.
> This Mix outputs are very low and the Headphone outs are very high, cliping
> at
> medium volume.
> A quick search on google revealed the following:
> "This was a common problem on early K2000's. Later units had a
> protection board installed (also available as a low cost upgrade for
> older systems). Problem, as I recall, was that static electricity or
> floating ground problems could blow the output transistors when
> pluggin/unplugging cables to the unit.
> There is a transistor on every output that mutes the output when you first
> turn on the keyboard.  Static electricity can fry these.  If you plug in an
> audio cable to the K2000, THEN plug that cable into an amp, chances are you
> will short the tip of the plug to the chassis of the amp.  This will destroy
> the transistor.
> The remedy is to replace the transistor."
>
> I was wondering if there was any K2K owners on this list who would be
> familiar
> with this issue and how to fix it.
>
> Thanks in advance
>
> Laurent
>
> ----- End forwarded message -----
>
>
>
>
>
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