I have not personally changed the one in mine yet but would imagine it's on the surface of one of the circuit boards inside and should not be that hard to find and replace. The replacement is "probably" a 2032. From: vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com] On Behalf Of metropolisaz Sent: Saturday, November 15, 2008 2:30 PM To: vintagesynthrepair@yahoogroups.com Subject: [SPAM][vintagesynthrepair] Roland A-90 88 key synth - controller I cannot seem to find any info on how to find/change the internal battery that remembers your custom settings for the Roland A-90 88 key midi controller. I have had the board for 10 years and before I make any new significant program changes, I want to be sure that the battery will not let me down. Can anyone help? Thanks in advance. Howard in Arizona
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RE: [SPAM][vintagesynthrepair] Roland A-90 88 key synth - controller
2008-11-16 by Brian Fuller