[sdiy] Polysix keys

[Tom Wiltshire]

The other likely faults on a sick polysix beyond the already- 
mentioned battery leakage are:

1) The bank and program switches. These tend to lose their caps and  
often the switches themselves pack up too.
2) The keyboard contacts. These suffer like many cheap rubber-contact  
keyboards, and repairs are done the same way - careful cleaning and  
perhaps treatment with one of the products designed for the purpose.

It's amazing how many other weird faults on a polysix can actually be  
due to battery leakage though - I've seen the sub oscillator  
disappear, and the PWM only act as PW, for example.

The voice and effects boards actually seem to be pretty reliable, and  
the power supplies aren't bad either.

Can anyone else think of anything else that I've forgotten?

T.


On 15 Jan 2008, at 20:23, Bob Weigel wrote:

> The low C is the same as all other C's.  The HIGH C is full width  
> and unique.  I only have one in stock and thought it was spoken  
> for. -Bob
>
> Sean Ellis wrote:
>
>> Thanks for all the replies guys! Got quite a few offers but I need  
>> the
>> lowest C key, it appears the end keys are different to the rest.
>>
>> -----Original Message-----
>> From: synth-diy-bounces at dropmix.xs4all.nl
>> [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Martin  
>> Pavlas
>> Sent: Monday, January 14, 2008 9:00 PM
>> To: synth-diy at dropmix.xs4all.nl
>> Subject: Re: [sdiy] Polysix keys
>>
>> Hi,
>>
>> Senso from www.vintageplanet.nl seems to have them. Check that out.
>>
>> --
>> martin
>>
>>
>>
>> Sean Ellis wrote:
>>
>>> I am picking up a sick polysix that is missing a key and has some  
>>> other unknown problems, probably due to battery leakage. Does  
>>> anyone know a source for a replacement key?
>>>
>>> It's great to have Scott Rider's excellent polysix repair page  
>>> (here: http://www.oldcrows.net/~oldcrow/synth/korg/polysix/ 
>>> index.html ), looks like I'll be needing it very soon :) Not sure  
>>> if Scott is on this list but I'm curious about the missing page  
>>> labeled "Give your Polysix a Korg PS3100-Style Triple resonant  
>>> filter". Sounds very interesting but the schematics for the  
>>> Polysix are a nightmare to read.
>>>
>>>
>>> _______________________________________________
>>> Synth-diy mailing list
>>> Synth-diy at dropmix.xs4all.nl
>>> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>>>
>>
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