Korg Poly800/EX800 Users

Sent: Tuesday, June 9, 2015 8:39 AM

To: mailto:korgpolyex@yahoogroups.com

Subject: Re: [korgpolyex] Test e-mail

On Mon, Jun 08, 2015 at 03:40:04PM -0700, Donal Finn terrible.dee@... [korgpolyex] wrote:

> Hey,
>
> Does anyone have a link to a

crystal clear instructions on changing the

> internal battery of a poly

800? (Or a Korg DS-8 for that matter)?

>
> Been poking around and

it seems this ancient wisdom is well guarded,

Open it up, remove battery, fit new battery.

--
Gordonjcp MM0YEQ

Re: [korgpolyex] Test e-mail

2015-06-18 by terrible.dee@...

Open it how? In what sequence should the screws be removed? and once open are their any wires connecting the lid I should be aware of? How about the keys? are they in any immediate danger once opened?

These and about a hundred other useful considerations are the type of knowledge people don't seem too eager to share.

But hey...you had an opportunity to be oh-so-witty and glib, you must be a killer at cocktail parties, it's a gift use it wisely...

Anyone else care to help? I've extensively modded Volcas and would be willing to tech support any such ventures in return for a little detailed 411, too bad I need to barter for help, but if that's the way it is around here, so be it.

Re: [korgpolyex] Test e-mail

2015-06-18 by terrible.dee@...

Thank you!

That's exactly the type of help I was hoping for, I really appreciate it, looks like there's some good people around hear after all :)

I've been thinking, why not just solder my own solder points to the battery? This might be horrendously stupid, but I don't know any better.

At any rate, my polly is doing the "Nothing but weird noises" thing again, after I re-loaded the factory content last time, so the problem isn't going away.....It's time, thanks for the useful info, wish me luck I'm going in.....

Re: [korgpolyex] Test e-mail

2015-06-18 by Daniel Forró

You take it too scientifically, it's not rocket science. Just go and do it.

On Jun 18, 2015, at 9:23 PM, terrible.dee@... [korgpolyex] wrote:

Open it how? In what sequence should the screws be removed?

Not important. Just remember which screw belongs where. You can find your own system how to do it. I use small plastic cups and do a description - numbers, and a simple picture with numbers.

and once open are their any wires connecting the lid I should be aware of?

I don't remember. Do it carefully, and nothing wrong can happen.

How about the keys? are they in any immediate danger once opened?

I don't remember, probably not. Use some soft pillow or similar under the instrument.

These and about a hundred other useful considerations are the type of knowledge people don't seem too eager to share.

Because it's so obvious it's not necessary to discuss.

But hey...you had an opportunity to be oh-so-witty and glib, you must be a killer at cocktail parties, it's a gift use it wisely...

I like his British (?) humor, and understand his reaction to your questions which look funny as well :-) You don't need to feel offended, I'm sure it was not his intention.

Anyone else care to help? I've extensively modded Volcas and would be willing to tech support any such ventures in return for a little detailed 411, too bad I need to barter for help, but if that's the way it is around here, so be it.

So when you have some knowledge and experience, you don't need to be so dramatically careful...

Good luck with your repair.

Daniel Forro

Re: [korgpolyex] Test e-mail

2015-06-18 by Daniel Forró

On Jun 18, 2015, at 9:30 PM, terrible.dee@... [korgpolyex] wrote:

I've been thinking, why not just solder my own solder points to the battery? This might be horrendously stupid, but I don't know any better.

Indeed it is, don't do it even when they will pay you 1000 USD for it :-) Battery can explode, and if not, you would destroy it by heat. So you can end with beautifully soldered pins on dead battery. I speak from my own research :-)

At any rate, my polly is doing the "Nothing but weird noises" thing again, after I re-loaded the factory content last time, so the problem isn't going away.....It's time, thanks for the useful info, wish me luck I'm going in.....

Check PSU, voltages, electrolytic caps in PSU circuit, lose or dirty connectors, oxidized contacts in IC sockets (if any), PCB cracks or bad solder points or leaked battery...

I would also try to set init patch and copy it to all memories one by one...

Good luck.

Daniel Forro

Re: [korgpolyex] Test e-mail

2015-06-18 by <backshall1@...>

Yes there are wires connecting the top and bottom, lots of them, but they should all be long enough to lift the top up and back. Remove all screws and machine screws from the bottom (no particular order), turn it right side up and lift the top. The top is heavy since all the keys go with it. In the bottom is just the main board and the C-cell compartment. Soldering wires to a lithium cell is not recommended because they can explode if overheated, although I’m sure there are plenty of people who have done it without maiming themselves. Can you tell us the serial number on the bottom? I’m trying to make a list of what version of main board is in which serial number range.

Don B.

Sent: Thursday, June 18, 2015 8:30 AM

Subject: Re: [korgpolyex] Test e-mail

Thank you!

That's exactly the type of help I was hoping for, I really appreciate it, looks like there's some good people around hear after all :)

I've been thinking, why not just solder my own solder points to the battery? This might be horrendously stupid, but I don't know any better.

At any rate, my polly is doing the "Nothing but weird noises" thing again, after I re-loaded the factory content last time, so the problem isn't going away.....It's time, thanks for the useful info, wish me luck I'm going in.....

Re: [korgpolyex] Test e-mail

2015-06-18 by Michael Hawkins

1) use a blanket or towel , find a book that is thicker than the length of the joystick

2) place the Poly front side down with the book right next to the joystick so that no weight is bearing on the joystick

3) remove all of the screws around the perimeter of the keyboard, note where the short screws go and the long ones

4) open up your Poly by hinging the two halves so that the bottom of the keyboard is lying in front of the upper section

5) continue working on your sense of humor

Preview by Yahoo

/Mike

From: "terrible.dee@... [korgpolyex]" <korgpolyex@yahoogroups.com>
To: korgpolyex@yahoogroups.com
Sent: Thursday, June 18, 2015 8:23 AM
Subject: Re: [korgpolyex] Test e-mail

Open it how? In what sequence should the screws be removed? and once open are their any wires connecting the lid I should be aware of? How about the keys? are they in any immediate danger once opened?

These and about a hundred other useful considerations are the type of knowledge people don't seem too eager to share.

But hey...you had an opportunity to be oh-so-witty and glib, you must be a killer at cocktail parties, it's a gift use it wisely...

Anyone else care to help? I've extensively modded Volcas and would be willing to tech support any such ventures in return for a little detailed 411, too bad I need to barter for help, but if that's the way it is around here, so be it.

Re: [korgpolyex] Test e-mail

2015-06-18 by Gordonjcp

On Thu, Jun 18, 2015 at 05:23:57AM -0700, terrible.dee@... [korgpolyex] wrote:

> Open it how? In what sequence should the screws be removed? and once open are their any wires connecting the lid I should be aware of? How about the keys? are they in any immediate danger once opened?

You're *waaaaaaaaaaaaaaay* overthinking this.

As with any similar project, take the screws out one by one. You'll notice there are three different types - make sure you put the right type in the right place. Make notes, if you think you'll forget.

You say you've modified other kit before, so I'm guessing I don't need to tell you to put the synth face-down on something soft and make sure you don't squash the joystick.

Again, since you've worked on other kit, you will probably already know to expect a couple of wires running from the battery compartment to the PCB. They're a bit delicate, as you'd expect, so lift the bottom off carefully. I *think* there's a plug you can undo to let you lift it away completely, I can't remember.

>
> These and about a hundred other useful considerations are the type of knowledge people don't seem too eager to share.

If you're going to muck about with the insides of electronic equipment, there are certain simple common engineering techniques that you ought to know before you even start.

If you need to be told which way to turn a screw to loosen it (yes, I have a trainee a bit like that at work) then you're not ready to solder stuff in equipment yet.

>
> But hey...you had an opportunity to be oh-so-witty and glib, you must be a killer at cocktail parties, it's a gift use it wisely...

I was being perfectly serious. This isn't rocket science (nowhere near enough nasty chemicals) or even car cylinder head replacement (where you *do* need to be really careful about the order you remove and refit the head bolts).

> Anyone else care to help? I've extensively modded Volcas and would be willing to tech support any such ventures in return for a little detailed 411, too bad I need to barter for help, but if that's the way it is around here, so be it.

You shouldn't need your hand held through this. It's not difficult. Stop looking for complication where there is none.

--
Gordonjcp MM0YEQ

Re: [korgpolyex] Test e-mail

2015-06-18 by Gordonjcp

On Thu, Jun 18, 2015 at 10:14:27PM +0900, Daniel Forró danforcz@... [korgpolyex] wrote:

> >
> >But hey...you had an opportunity to be oh-so-witty and glib, you
> >must be a killer at cocktail parties, it's a gift use it wisely...
>
> I like his British (?) humor, and understand his reaction to your
> questions which look funny as well :-) You don't need to feel
> offended, I'm sure it was not his intention.

Scottish, most certainly *not* British :-D

--
Gordonjcp MM0YEQ

Re: [korgpolyex] Test e-mail

2015-06-18 by <backshall1@...>

You still have to remove the key bed machine screws, not just the screws around the perimeter, or the bottom and top will not separate.

Don B.

Sent: Thursday, June 18, 2015 9:45 AM

Subject: Re: [korgpolyex] Test e-mail

1) use a blanket or towel , find a book that is thicker than the length of the joystick

2) place the Poly front side down with the book right next to the joystick so that no weight is bearing on the joystick

3) remove all of the screws around the perimeter of the keyboard, note where the short screws go and the long ones

4) open up your Poly by hinging the two halves so that the bottom of the keyboard is lying in front of the upper section

5) continue working on your sense of humor

Preview by Yahoo

/Mike

From: "terrible.dee@... [korgpolyex]" <korgpolyex@yahoogroups.com>
To: korgpolyex@yahoogroups.com
Sent: Thursday, June 18, 2015 8:23 AM
Subject: Re: [korgpolyex] Test e-mail

Open it how? In what sequence should the screws be removed? and once open are their any wires connecting the lid I should be aware of? How about the keys? are they in any immediate danger once opened?

These and about a hundred other useful considerations are the type of knowledge people don't seem too eager to share.

But hey...you had an opportunity to be oh-so-witty and glib, you must be a killer at cocktail parties, it's a gift use it wisely...

Anyone else care to help? I've extensively modded Volcas and would be willing to tech support any such ventures in return for a little detailed 411, too bad I need to barter for help, but if that's the way it is around here, so be it.

Re: [korgpolyex] Test e-mail

2015-06-18 by Michael Hawkins

1) use a blanket or towel , find a book that is thicker than the length of the joystick

2) place the Poly front side down with the book right next to the joystick so that no weight is bearing on the joystick

3) remove all of the screws around the perimeter of the keyboard, note where the short screws go and the long ones

4) remove the two screws found roughly in the center of the bottom half of the Poly

5) open up your Poly by hinging the two halves so that the bottom of the keyboard is lying in front of the upper section

6) continue working on your sense of humor

/Mike

From: "backshall1@... [korgpolyex]" <korgpolyex@yahoogroups.com>
To: korgpolyex@yahoogroups.com
Sent: Thursday, June 18, 2015 10:00 AM
Subject: Re: [korgpolyex] Test e-mail

You still have to remove the key bed machine screws, not just the screws around the perimeter, or the bottom and top will not separate.

Don B.

Sent: Thursday, June 18, 2015 9:45 AM

Subject: Re: [korgpolyex] Test e-mail

1) use a blanket or towel , find a book that is thicker than the length of the joystick

2) place the Poly front side down with the book right next to the joystick so that no weight is bearing on the joystick

3) remove all of the screws around the perimeter of the keyboard, note where the short screws go and the long ones

4) open up your Poly by hinging the two halves so that the bottom of the keyboard is lying in front of the upper section

5) continue working on your sense of humor

Preview by Yahoo

/Mike

From: "terrible.dee@... [korgpolyex]" <korgpolyex@yahoogroups.com>
To: korgpolyex@yahoogroups.com
Sent: Thursday, June 18, 2015 8:23 AM
Subject: Re: [korgpolyex] Test e-mail

Open it how? In what sequence should the screws be removed? and once open are their any wires connecting the lid I should be aware of? How about the keys? are they in any immediate danger once opened?

These and about a hundred other useful considerations are the type of knowledge people don't seem too eager to share.

But hey...you had an opportunity to be oh-so-witty and glib, you must be a killer at cocktail parties, it's a gift use it wisely...

Anyone else care to help? I've extensively modded Volcas and would be willing to tech support any such ventures in return for a little detailed 411, too bad I need to barter for help, but if that's the way it is around here, so be it.

Re: [korgpolyex] Test e-mail

2015-06-18 by <backshall1@...>

Um, there are four screws in the keybed

Sent: Thursday, June 18, 2015 10:12 AM

Subject: Re: [korgpolyex] Test e-mail

1) use a blanket or towel , find a book that is thicker than the length of the joystick

2) place the Poly front side down with the book right next to the joystick so that no weight is bearing on the joystick

3) remove all of the screws around the perimeter of the keyboard, note where the short screws go and the long ones

4) remove the two screws found roughly in the center of the bottom half of the Poly

5) open up your Poly by hinging the two halves so that the bottom of the keyboard is lying in front of the upper section

6) continue working on your sense of humor

/Mike

From: "backshall1@... [korgpolyex]" <korgpolyex@yahoogroups.com>
To: korgpolyex@yahoogroups.com
Sent: Thursday, June 18, 2015 10:00 AM
Subject: Re: [korgpolyex] Test e-mail

You still have to remove the key bed machine screws, not just the screws around the perimeter, or the bottom and top will not separate.

Don B.

Sent: Thursday, June 18, 2015 9:45 AM

Subject: Re: [korgpolyex] Test e-mail

1) use a blanket or towel , find a book that is thicker than the length of the joystick

2) place the Poly front side down with the book right next to the joystick so that no weight is bearing on the joystick

3) remove all of the screws around the perimeter of the keyboard, note where the short screws go and the long ones

4) open up your Poly by hinging the two halves so that the bottom of the keyboard is lying in front of the upper section

5) continue working on your sense of humor