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Marion Pro Synth - Where is the internal battery?
MUFF WIGGLER Forum Index -> General Gear  
Author Marion Pro Synth - Where is the internal battery?
hansvonderfuel@gmail.com
Patch memory is gone on my Marion ProSynth, so I want to replace the internal battery. But I opened the ProSynth up and looked inside it, and there doesn’t seem to be a battery on the circuit board inside.

When I turn the ProSynth on, it behaves a bit funny. Every other note plays and playing the onboard presets doesn’t sound quite right, sometimes there is no sound at all, as well as some random patch names on the Layer presets.

Doing a system reset by holding down ‘Preset’ and ‘System’ buttons when turning it on, restores it to working condition, but the patches I save to patch memory, goes away when I turn the unit off and back on again.

How do I fix this? I want to replace the battery to get patch memory back, but I can’t find the battery on the circuit-board.
sizone
Post some photos of the internals. Can't be -that- much different from an MSR2 and those have a pretty obvious 3032. Maybe pull the board and check the underside of it.
hansvonderfuel@gmail.com
You can look at a photo of the Marion ProSynth circuit-board here:
http://www.vonderfuel.co.uk/synth/marion/prosynth_board.jpg
seychmar
This link might help.

http://electro-music.com/forum/topic-59120.html
hansvonderfuel@gmail.com
OK, I found the battery hidden underneath the small circuitboard mounted on top of the main board. I just hope I will be able to piece it all together again.

Photo of battery:
http://www.vonderfuel.co.uk/synth/marion/prosynth_battery.jpg
hansvonderfuel@gmail.com
Can anyone confirm the specification of the battery used in the Marion ProSynth?

The diameter of the battery on the ProSynth circuit boards is approx 25mm. The CR2032 diameter is only 20mm, the CR3032 is 30mm, so according to Wikipedia, that suggests the battery used is eiter CR2412, CR2430, CR2450 or CR2477 at 24.5mm.

‘sizone’ - you suggest it’s a 3032 battery on the Marion MRS2, how critical is it - can I use a CR3032 on the ProSynth, even if the current one could be a CR24xx?
sizone
As long as the battery in there isn't rechargeable, replacing it with a 3032 and a clip holder will be fine.
hansvonderfuel@gmail.com
OK thanks!

I can find a clip holder for the CR2032 battery on eBay:
https://www.ebay.co.uk/itm/163771198138

I can't find one for the CR3032 online. Will a CR2032 also work?
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