[sdiy] Juno-106 prematurely dying battery

John Henson synthnerd at eircom.net
Tue Jul 24 19:28:48 CEST 2012


I have seen this problem many times on a variety of Roland synths. It is 
almost always the TC40H000 IC that is powered by the battery and 
switches the enables when mains power is applied. It can be replaced 
with a 74HC00 without any problem.

John.



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