Korg Poly800/EX800 Users

I agree, and give you full permission to post the details wherever
they would be helpful. Pictures are probably necessary for beginners
as well, unfortunately the pics I have are from a cell phone, but
still might help...


Erik

--- In korgpolyex@yahoogroups.com, "korgpolyex800"
<korgpolyex800@...> wrote:

>
> Hi Erik,
>
> I really think we should post your directions onto a web site
> somewhere since fixing those buttons is probably a number one
> maintenance issue for many Poly and EX owners.
>
> I could put a page together on my MKIII blog. I might call it the
> maintenance and repair page.
>
> With your permission of course.
>
> Mike.
>
>
> --- In korgpolyex@yahoogroups.com, "Erik Hines" <sablerock@> wrote:
> >
> > Just some info for EX owners: put down your solder guns, The

buttons

> > on this puppy can be refurbished easily! With the help I got from

you

> > guys on button replacement, I went in for 'surgery'. After

removing

> > the top board, and closely looking at the buttons, I noticed they

are

> > a simple 5 part assembly that can be taken apart and cleaned! My
> > buttons are working like new again (and no pesky solder burns)!!

Once

> > you remove the top board and remove the 2 cables, look closely at

the

> > buttons underside. There are 2 black 'clips' that attach the

button

> > face to the actual switch. Carefully and slightly wedge a small
> > flathead screwdriver at the bottom corner edge of the clips to
> > release it from the tab and remove the button face. Next, you

want to

> > carefully use a pair of small tech pliers to 'pinch' close the

white

> > botton shaft that is held to the switch by two small tabs at the

top

> > and bottom of the switch (be careful here, you can easily lose

the

> > internal contact inside the switch, I recommend working on a

clean

> > table or in a clean room) Once that is removed, you should see

the

> > copper side of the internal contact, I had to tip the board

upside

> > down to remove the contact, put in a safe place.. Next, get some
> > alcohol, and about 10 q-tips. Roll the q-tip between your figers

so

> > that it will fit inside the hole in the switch where the contact

was,

> > dip in alcohol and insert into the hole, rotating the q-tip to

remove

> > debris. Next, use the other end of the q-tip (and alcohol) to

clean

> > BOTH sides of the internal contact you removed, clean well, as

this

> > is the part with the most debris. Replace the contact into the

hole

> > (copper side up), replace the white button shaft (tabs top and
> > bottom) and finnaly the button face..Voila!! A brand new
> > (refurbished) button... Do the buttons one at a time, or else

your

> > asking for trouble losing the contacts..Should takE about AN HOUR

TO

> > DO ALL 15!!
> >
>