Vintage Synth Repair

I used soap and water on the cpu board. The voice board didn't seem to

have any acid on it except in one spot where the acid seemed to move
along the "jumper ribbon". I cleaned that with a Q-tip,soap and water.
It ended up eating traces for a couple of capacitors and a transistor.
The "high" and "bend" adjustments are just below this spot so maybe
it's gotten to them as well.
--- In vintagesynthrepair@yahoogroups.com, "Brian Davies" <brian@...>
wrote:
&#10;>
> How did you clean off the battery acid?
>  
&#10;> Regards
> Brian G3OYU
> www.g3oyu.co.uk
>  
>   _____  
> 
> From: vintagesynthrepair@yahoogroups.com
> [mailto:vintagesynthrepair@yahoogroups.com] On Behalf Of plastikanimal
> Sent: Wednesday, 04 June 2008 08:26
> To: vintagesynthrepair@yahoogroups.com
> Subject: [vintagesynthrepair] Korg POLY-61 pitch drift problem
>  
> Hi, I'm trying to repair a POLY-61 for a friend. I have very
> little
;experience at this.(I replaced the battery in mine so he
> thinks I'm a
genius).
Anyway, I replaced his
battery,but
> some of the ni-cad acid found it's
way across to the voice
board. I
> had to replace a transistor and some3;
other things. I
thought I had
> it right, but after a few minutes voice
2 and 3 begin to
drift up
> in pitch to no end. I don't know if I used
the wrong parts
&#10;or if
> something else is wrong.

Any ideas?
>  
> 
> 
> 
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