Yamaha SY22 Internal Memory Problems

Covering the SY22 to SY55 and TG Modules.

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cluekid
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Yamaha SY22 Internal Memory Problems

Unread post by cluekid » Tue May 22, 2018 8:55 pm

hello everyone! just bought my first synthesizer and im in love with it :)

however i've encountered a problem when trying to save my custom patches to the keyboards internal memory. I was able to save my patches and turn off and turn on the keyboard and still have them. but for some reason after having the keyboard shut off for 5 or so minutes all my sounds get erased! Not sure if it's a battery issue or I have to buy a card to save my custom patches. thanks!
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Miks
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Re: Yamaha SY22 Internal Memory Problems

Unread post by Miks » Tue May 22, 2018 9:41 pm

Hi cluekid,

welcome to the Yamaha Musicians forum (Y) :D

Well - most likely your synth has a 'battery voltage' issue - this could be an empty battery due to its age. Another possibility could be a defective electrolytic capacitor which is normally 'buffering' the battery voltage. If it defective it may cause drawing a higher current out of the battery and discharged it a lot quicker than 'usual'. The battery supplies the RAM (Random Access Memory) - IC10 - of your synth - that's where the 'sounds' are stored. If the battery fails the memory is getting erased - all sounds are gone 8O

Edit: just took a look onto the schematic - the SY22 has a built-in 'super cap' - which acts as a battery though, like described before. I suppose this super cap (which is an electrolytic capacitor with a large capacity) has reached its life end and should be replaced. The specs of this cap are: 0.47F/5.5V/5.0mm content spacing - which is a quite common type.

PS: check your PMs :wink:
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cluekid
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Re: Yamaha SY22 Internal Memory Problems

Unread post by cluekid » Wed May 23, 2018 4:11 pm

thanks miks! :)

this is all very new to me - so i would just have to replace the old capacitor with a new one?
would you mind sending me a link to the right capacitor just want to be sure
thanks for the help :lol:
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Miks
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Re: Yamaha SY22 Internal Memory Problems

Unread post by Miks » Wed May 23, 2018 5:00 pm

@ cluekid: PM sent...
My (key related) gear (in alphabetical order):
Kawai: K1 II
Korg: M1 (up'd to EX, w/ 'Cool Blue'), M1REX (w/ 'Cool Blue'), Poly-800
Roland: D-50, D-110, D-550, PG-1000
Yamaha: AW1600, DX7IID (w/ 'Cool Blue'), EX5R, RM50, RX5, SY99 (w/ 'Cool Blue'), TG500, TX-802, YMM2
Sector101: SYEMB05 (5x), SYEMB06 (3x), EXFLM2 (1kit), MCD Sweet16 (1x), WaveBlade 8MB Card (1x) & 1x Programmer Unit for WaveBlade


http://rescuer-uslar.de/
https://www.facebook.com/Rescuer.Uslar/
cluekid
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United States of America

Re: Yamaha SY22 Internal Memory Problems

Unread post by cluekid » Mon Jun 18, 2018 2:29 am

So i managed to replace the battery for a new one and i still seem to be having the same problem as before. I also have the original ac adapter as well i just don't know what could be the problem /:
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Saul
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Re: Yamaha SY22 Internal Memory Problems

Unread post by Saul » Mon Jun 18, 2018 11:01 am

cluekid can you try saving some voices and then turn the internal memory protect ON and see if that changes anything?

Details are on page 73 of the user manual.
SY22E.pdf
Yamaha SY22 User Manual
(2.87 MiB) Downloaded 9 times
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cluekid
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Re: Yamaha SY22 Internal Memory Problems

Unread post by cluekid » Tue Jul 03, 2018 9:28 pm

Saul wrote:
Mon Jun 18, 2018 11:01 am
cluekid can you try saving some voices and then turn the internal memory protect ON and see if that changes anything?

Details are on page 73 of the user manual.

SY22E.pdf
I've tried that a bunch of times already and no luck - I also tried letting the new capacitor to charge for a while and i still keep having the same problem.
cluekid
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Re: Yamaha SY22 Internal Memory Problems

Unread post by cluekid » Tue Jul 03, 2018 9:44 pm

Would buying a 12-volt DC output 800mA power supply be a better choice? I currently have the PA-3 10-volt 700mA power supply not sure if it could be a voltage issue
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Re: Yamaha SY22 Internal Memory Problems

Unread post by Rara » Wed Jul 04, 2018 3:54 pm

I think that might be a tad under rated. try a 12v 1 amp adaptor.
my sy35 is happily running 12v 1amp.
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cluekid
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Re: Yamaha SY22 Internal Memory Problems

Unread post by cluekid » Sat Jul 14, 2018 3:09 am

Rara wrote:
Wed Jul 04, 2018 3:54 pm
I think that might be a tad under rated. try a 12v 1 amp adaptor.
my sy35 is happily running 12v 1amp.
Started using the 12V 1amp nothing has changed :(
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