Archive of the former Yahoo!Groups mailing list: Discussion about the Korg PolySix synthesizer

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Subject: Re: [PolySix] Re: PROGRESS!!!!

From: Bob Grieb <bobgrieb@yahoo.com>
Date: 2016-02-13

To troubleshoot the "staying in reset" issue when you try to do the procedure in the manual,
put your meter on the 5V supply at the KLM367 board and watch it when the 56 ohm resistor
is connected and disconnected. It should be dropping by a noticeable amount when the resistor
is connected, and then changing back when the resistor is removed.

BTW, the first step, I think, is setting the supply voltages after giving things a chance to warm up.
Did you do that one?

Bob

--------------------------------------------
On Sat, 2/13/16, jw_dewdney@yahoo.com [PolySix] <PolySix@yahoogroups.com> wrote:

Subject: Re: [PolySix] Re: PROGRESS!!!!
To: PolySix@yahoogroups.com
Date: Saturday, February 13, 2016, 1:41 PM


 









okay Bob... thanks for the calibration info.
It's much more informative than the service manual, i
did it by soldering the resistor across the connector pins
inside the connector while the polysix was OFF. And then
unsoldering it while ON....  So it makes more sense to me
why it wouldnt work (unless a deeper problem is still at
play here as Roman suggested). Perhaps i shouldnt be trying
the calibration routine yet even?









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