Battery replacement for SY77

jer76

New member
Hi all, I need to replace the internal battery for both my SY77s, I have ordered the replacement batteries from US, anyone can recommend any service center who can desolder the old batteries from the circuit board and solder on the new ones? Or anyone with soldering experience who can help for a fee? The batteries should be arriving in 2 weeks. I can remove and just bring the circuit board with the battery down. I have no soldering experience. I contacted Yamaha and they said they don't service the SY77 anymore, tsk. Thanks.
 
Hi bro, yes its the internal batt, for SY77 its a special cr2032 that comes with two "legs" attached. Yes got to de solder the old one and solder in the new one, think its simple but i never solder before in my life.
 
Hi Bro, Dont worry, I have a issue with my prophecy previously as well (output volume). I have never solder in my life but Im able to restore it. So I m pretty sure that you can handle it.
 

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