Vintage Synth Repair

hi!

check out the kurzlist, a kurzweil forum...

they´d be able to help you!

good luck!

D


--- In vintagesynthrepair@yahoogroups.com, laurent <lists@t...> wrote:
> 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