roland jx - 3p user patch memory problems

montekk · Post by **montekk** » Thu Jul 23, 2009 1:06 pm

I just bought Roland JX - 3P and have some problem. I design my own patches with buttons on synth panel and write to memory (C or D bank) like written in roland manual. All my patches are in memory while synth power on but after swiching off roland memory disappears all my programmed patches. I can play only factory patches and some pathes in C,D banks which were in memory before my programming. Could you explain me problem?

sam · Post by **sam** » Thu Jul 23, 2009 1:11 pm

The first thing is to check the battery inside..

sam · Post by **sam** » Thu Jul 23, 2009 4:35 pm

It's best to unplug the synth.....Test the battery (around 3v)...Look for any leakage or bad connections.

Pro5 · Post by **Pro5** » Fri Jul 24, 2009 7:38 am

Yeah dead battery.. most likely cause. On the JX-3P it's not a button battery but a diff looking one (IIRC) so may need to custom fit a new battery with some wiring. Not a hard job really.

I posted some internal pics of a jx-3p in another thread of mine if you want to take a look at the battery location.

http://www.vintagesynth.com/forum/viewt ... 3p#p522295

The battery is the yellow thing in the middle of the PCB on this pic. It's soldered on. It should be possible to desolder this and solder on a button style battery holder in it's place.

roland jx - 3p user patch memory problems

roland jx - 3p user patch memory problems

Re: roland jx - 3p user patch memory problems

Re: roland jx - 3p user patch memory problems

Re: roland jx - 3p user patch memory problems