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

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Subject: Keyboard Problem (key assigner)

From: del_poolp@hotmail.com
Date: 2012-03-12

Hi,
I have a P6 (old production) with KLM367A clone.
P6 Boot correctly, but the keyboard do not work.
The keyboard hardware work with another P6 (new production).

Question :
KLM367A Clone board is compatible with P6 old production ?

On this photo (http://www.themeloon.net/wp-content/uploads/2012/03/IMG_20120310_111435.jpg) the IC1 and IC9 is physically poor (no text, and pin is black). How to test this IC ?

Thanks,
Richard

PS : Sorry for my english, and i'm not a really electronics engineer just a handyman sunday ;)