Korg Poly800/EX800 Users

hey all!

I finally this weekend managed to get not one but two korgs working  
again after I had been struggling with some issues with the first one  
for a little over two years.

I bought my first one for $10 at a swap meet, where i saw the midi in/ 
out and said i gotta have this, all my other midi gear (sampler,  
electric piano, cubase) not having a control keyboard sucked.

it was totally DOA, but after some investigation with the schematic,  
I managed to get the heavenly 11P up on the display

it was able to send and receive midi now, and all the keys were  
working, however i wasnt able to get any sound out of the headphones :-/

I had been looking for what i thought was a replacement tone  
generator chip for a while with no luck, and eventually managed to  
get another dead one for the parts i thought i needed a few months  
back, which was slowly making its way to me here in australia by ship.

It got here a week ago, and i finally managed to get this dead one  
and my other together to make one good working one! (it also had the  
same power supply issues as my first one, so fixing that was easier  
this time around)

i then had sound coming out the L-R outputs, but only a very faint  
one out the headphones (only just noticeable at max volume)
further reading thru the schematics and i found that the headphone  
amp and chorus were on the same board so i plugged those over and  
voila!!! instant headphone noise too!

I then realised that i may have misdiagnosed the first one's issue as  
being no sound, instead of faulty headphone amp, so i banked that  
motherboard back in and it came up lovely too!!

now to try the moog slayer mods on one!@$!@$!@$

Marcus Wilson

On 23/11/2005, at 7:25 AM, alpoly800 wrote:

> hey guys
> just dropping a line to say hi
> great group with the patch sheets
> im in awe of my poly800 i got today
> i never had 1 before and its the sound ive been looking for for years
> ie "bobby o" the flirts and some music i collected from the 80s  
> when i worked in a 2nd
> hand vinyl shop for years. i allways wanted this sound now i got it
>
> seems weird.....
> with all the technology today it makes sense, broadband, wires,  
> wireless but putting some
> squiggly sounds via casette tape in a poly 800 seems more tech  
> advance then all this stuff
> today!
>
> havent done that since c64  days and i forgot how mad it was
>
> hope to speak to a few of you over the next while
> take care and party on!!
>
> alalal
>
>
>
>
>
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