Korg Poly800/EX800 Users

On May 16, 2017, at 5:15 PM, Dovydas Reitelaitis purpurinisukutis@... [korgpolyex] wrote:

Hello,

I recently bought KORG POLY 800 and i would like to make sure that it works correctly. I found KORG POLY 800 service manual and there is a section called "check and adjustment procedure". In this section there are few parts which are hard to understand to me and I hope that You could explain few things for me, for example 1) On klm-596 scheme there is a chip called CN6A, is it the same as asked in first procedure of check and adjustment procedure CN6? 2) How to count pins on CN6A chip and determine which one is 6 or 7? 3) In fourth step of check and adjustment procedure there is mentioned KL-003 coil and it needs to be adjusted, however i can not find it on scheme. Maybe You know what the heck is KL-003?

Sincerely,

Dave

Damn. Is there a way to find if previous owner adjusted the voltages in the synth with 8.5V? Just in case to be safe.. I found that near me there are two options of AC adapter - one is "Power supply non-stabilized 9V 300mA 2.1 / 5.5 {+}" and another is "Pulsed power supply 3-12V 0.3A, plug-in", changing polarity is not the problem for me. Which one do you think will suit it better? One adapter is pulsed and another is non-stabilized - i wonder what kind of properties do original Korg Poly 800 charger had.

On Tue, 5/16/17, purpurinisukutis@... [korgpolyex] <korgpolyex@yahoogroups.com> wrote:

Subject: Re: [korgpolyex] Re: Check and adjustment procedure
To: korgpolyex@yahoogroups.com
Received: Tuesday, May 16, 2017, 7:18 AM


 









Few steps in adjustment procedure consists of
measuring voltage while using original 9V, 300mA AC adapter,
however when i bought the synth i got not original power
supply - its 8.5V, 350 mA. Do you think that i could use
that one for this procedure, or do i need to buy specificly
 9V, 300mA AC adapter? If original adapter is needed, maybe
you know some alternatives for it?









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> You should buy the correct voltage 9V DC, 300mA adapter. If you adjust the voltages in the synth with 8.5V then if someone in the future was to use a correct 9V, it might cause the power supply or even other parts in the synth to fail.
> Get a correct AC adapter - 9V DC 300mA.
>
> /Mike

On May 26, 2017, at 10:26 PM, purpurinisukutis@... [korgpolyex] wrote:

Hello, I am trying to do check and adjustment procedures first step – 5V check. I know that one wire of voltmeter should be connected to CN 6 Pin 6, but where should I connect another wire?