problems after changing the battery

The Yamaha SY99 is a synthesiser combining frequency modulation synthesis (branded as Advanced FM) and sample-based synthesis (branded as Advanced Wave Memory 2) and the direct successor to Yamaha's SY77/TG77

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Dario
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Joined: Sat Dec 09, 2017 10:24 am
Italy

problems after changing the battery

Unread post by Dario » Sat Dec 09, 2017 11:11 am

Hello everyone and thanks to the creators of this wonderful forum!...Sorry for my English!!
I introduce myself :My name is Dario, I'm 46 years old, I am Italian, happy owner of a Yamaha sy99 and a dx7 II FD...unfortunately both now have problems!
After a year of low battery warnings I decided to change both batteries of the two sy99 cards, like I already did in some synths,installing two battery holders and respecting the polarities...but when restarting it is locked on the utility screen without possibility to change, factory reset does not work (by pressing voice + d + 8) .... what to do?
I am very fond of this synt !! ... thanks for the help !!
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Saul
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Re: problems after changing the battery

Unread post by Saul » Sat Dec 09, 2017 11:45 am

Hi Dario and welcome to the forum :) No need to worry about your English, it is fine, which is a lot more than can be said for my Italian language skills!

So if I understand correctly, you have only changed the batteries on the MCD64 cards, not the SY99 itself?

Without the cards inserted the SY99 is ok, works fine?
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Dario
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Re: problems after changing the battery

Unread post by Dario » Sat Dec 09, 2017 11:54 am

I changed both the batteries of the two DM cards after having disassembled them from the keyboard ...
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Re: problems after changing the battery

Unread post by Saul » Sat Dec 09, 2017 12:54 pm

Ok so the keyboard is fine it's just the cards that are not working?
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Dario
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Re: problems after changing the battery

Unread post by Dario » Sat Dec 09, 2017 1:46 pm

These are the DM1 and DM2 cards with the battery changed
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IMG_20171209_134136.jpg
Card dm1 dm2 Witch new battery
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Re: problems after changing the battery

Unread post by Saul » Sat Dec 09, 2017 2:21 pm

Ahh ok so we are not talking about the external addon cards here. Sorry I misunderstood what it was you were doing. I thought it was odd that the MCD64 or Wave Expansion cards could cause a problem like this.

So it is the "internal" SY99 battery you have changed and now you have the problem where it is locked on the utility screen.
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Dario
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Italy

Re: problems after changing the battery

Unread post by Dario » Sat Dec 09, 2017 3:40 pm

it is possible to move the cursor from 01 to 02 with the wheel without being able to use any key
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15128303492181207305562.jpg
power screen
15128301480321724811202.jpg
1512830127528794496147.jpg
151283009324856640049.jpg
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Saul
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Re: problems after changing the battery

Unread post by Saul » Sat Dec 09, 2017 3:45 pm

Have you looked at this thread viewtopic.php?t=4841 as there may be some information there that is useful?
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Dario
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Re: problems after changing the battery

Unread post by Dario » Sat Dec 09, 2017 3:49 pm

I tried several times to press the Voice + D + 8 key without any result, the keys do not respond to the touch and the keyboard remains locked as in picture .... I thank you for the availability !!
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Miks
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Re: problems after changing the battery

Unread post by Miks » Sat Dec 09, 2017 4:40 pm

Have you measured the voltage of both batteries while not in the holder(s)?
Have you measured the voltage of both batteries being in the holder(s)?
Have you measured the voltage at the wire's solder joints on the pcb?
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/
Dario
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Re: problems after changing the battery

Unread post by Dario » Sun Dec 10, 2017 12:41 am

kind friends thank God I found problem !!!I ..unmounted the whole keyboard as I felt inside to scroll something was a screw unscrewed and probably made a contact in some circuit!
Reassembled everything I did the Factory reset and everything works !!
THANKS FOR THE HELP!
GREAT FORUM !! .. SOON AND MERRY CHRISTMAS !!
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Saul
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Re: problems after changing the battery

Unread post by Saul » Sun Dec 10, 2017 1:48 am

So happy to hear you found the problem Dario! ((i)) ((i)) ((i))

It's always the simple things that catch us out. Thanks for letting us know.
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Dowina Acoustic Guitars: Dowina Cabernet DC
Dowina Chardonnay GAC DS - Dowina Rustica GAC.

Seagull S6 Original/Harley Benton CLA-15MCE/Ashbury AG-160/Roland FA-07/Pianoteq 6 Pro/Amplitube 3.0/Apple iMac 27"/GarageBand 10.0.3/Logic Pro X/Cubase AI 9/Absynth 5/Ableton Live 9/KRK Rokit RP5 G3 Monitors
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Miks
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Re: problems after changing the battery

Unread post by Miks » Sun Dec 10, 2017 1:27 pm

Great news Dario - glad you've found the 'culprit' and solved your issue! ((i))

Enjoy making music with your resurrected SY99! (Y)
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/
Dario
Posts: 7
Joined: Sat Dec 09, 2017 10:24 am
Italy

Re: problems after changing the battery

Unread post by Dario » Mon Dec 11, 2017 11:12 pm

(Y) ((i)) ((i)) ((i)) ((i))
organmastr
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Re: problems after changing the battery

Unread post by organmastr » Thu Jul 05, 2018 5:20 am

This is exactly what mine is doing. I have taken it apart several times and checked all the wires, and checked for loose screws. It won't move off the utility screen, no buttons work. Any suggestions? Thanks!!!

p.s. I changed out the display as well
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