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Subject: Re: [korgpolyex] Poly800 Mk-1 Battery Mod - have I damaged something? Error 1.85001

From: Vincenzo Vincenzo <sarvamala@...>
Date: 2015-03-19

Hello Peter,
Replace IC34 (40H138) and while you're at I would try to replace IC33 (40H240) ..
the integrated original cost a lot but
for a budget you can find equivalent 74HC138 and 74HC240 for € 1 ...
IC34 and IC33 prone to failure, however, replace immediately and solve the problem.

let me know!


PS: Changing battery is functioning but the only problem is that every four months you have to replace the CR2032 battery because you download.




Il Mercoledì 18 Marzo 2015 20:35, "imadethebbc@... [korgpolyex]" <korgpolyex@yahoogroups.com> ha scritto:


 
I've double checked and the display still shows 1.8 50 01 with the sequencer switch at disabled. Various combinations of switches have no impact.