Vintage Synth Repair

> ----- 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."
> 


What is this transistor ?? where is it in the K2000 what is the 
number on k2000 electronic diagram ??

Please help me I miss my K2000

Best regards

David