TG77 firmware revisions?

Yamaha SY77 is a 16 voice multitimbral music workstation first produced by Yamaha Corporation in 1989. The SY77 is a synthesizer whose architecture combines AFM (Advanced Frequency Modulation) synthesis, AWM2 (Advanced Wave Memory 2) for ROM-borne sample-based synthesis, and the combination of these two methods christened Realtime Convolution and Modulation Synthesis (RCM).

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tux
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TG77 firmware revisions?

Unread post by tux » Sun Oct 26, 2014 7:06 pm

Does anyone know what firmware revisions of the TG77 exist and how to check the firmware version on a TG77?


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My Yamaha synths: RM50, TG77, TG500, EX5R, CS6R (with PLG150-AN and PLG150-DX)

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Re: TG77 firmware revisions?

Unread post by Miks » Sun Oct 26, 2014 11:37 pm

This is what I've found so far...

Yamaha TG77: Factory Reset procedure:
WARNING: All user stored data will be deleted. If the current settings and data are not expendable,
create a backup before executing the Factory Reset. All Internal Voice, Multi, Pan, System Setup Data, and Micro Tuning Data will be deleted.

1) Turn on the power.
NOTE: All buttons must be pressed in the order mentioned in step #2 to execute the test program.
2) Press and hold down the [VOICE] button, the [9] button, and then the [ENTER] button.
3) Continue to hold the buttons until a dialog box appears on the display. The dialog will read TG77
TEST. Release all buttons. Inside the dialog box the option (COPY): Fact. Set. will appear.
4) Press the [COPY] button to execute the Factory Reset Procedure. The test program will
automatically exit and return the TG77 to Play Mode.

Perhaps Derek has some more informations about this...?
Last edited by Miks on Tue Oct 28, 2014 10:31 pm, edited 2 times in total.


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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
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Re: TG77 firmware revisions?

Unread post by tux » Tue Oct 28, 2014 7:41 am

Thanks Miks, but that factory reset procedure doesn't mention the firmware version, or does it?
I don't own a TG77 so I can't check.

Do any TG77 owners here know how to check the firmware version of the TG77?


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My Yamaha synths: RM50, TG77, TG500, EX5R, CS6R (with PLG150-AN and PLG150-DX)

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Re: TG77 firmware revisions?

Unread post by Miks » Tue Oct 28, 2014 9:08 am

...factory reset procedure doesn't mention the firmware version, or does it?
I don't own a TG77 so I can't check.
I'm in the same situation. I've tried to obtain a service manual for the TG77 but no luck so far... :(


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


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Re: TG77 firmware revisions?

Unread post by Sonus » Tue Oct 28, 2014 2:37 pm

SY77 : [VOICE] [INTERNAL] [1]
MAIN ROM version 1.5 1990-07-10 with CPU XH555C0

TG77 : [VOICE] [7] [0]
MAIN ROM version 1.02 1990-05-19 with CPU XI841A0
Last edited by Sonus on Sat Nov 14, 2015 2:59 am, edited 2 times in total.



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Re: TG77 firmware revisions?

Unread post by tux » Tue Oct 28, 2014 6:06 pm

Thanks Sonus, are those the last firmware versions or simply one of the possible firmware versions?


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My Yamaha synths: RM50, TG77, TG500, EX5R, CS6R (with PLG150-AN and PLG150-DX)

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Re: TG77 firmware revisions?

Unread post by Derek » Tue Oct 28, 2014 8:54 pm

My TG77 is also 1.02 1990-05-19


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Re: TG77 firmware revisions?

Unread post by Sonus » Wed Oct 29, 2014 12:00 pm

This is probably the final version, previous versions had socketed ICs and another CPU.
If more owners would do a little effort to verify it, we could also find the date. Thanks!



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Re: TG77 firmware revisions?

Unread post by tux » Fri Mar 13, 2015 8:38 pm

Sonus wrote:MAIN ROM version 1.02 1990-05-19
The TG77 that I just bought shows the same version and date. :D


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My Yamaha synths: RM50, TG77, TG500, EX5R, CS6R (with PLG150-AN and PLG150-DX)

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Re: TG77 firmware revisions?

Unread post by ImNotDedYet » Tue Mar 17, 2015 5:16 am

tux wrote:
Sonus wrote:MAIN ROM version 1.02 1990-05-19
The TG77 that I just bought shows the same version and date. :D
As does the one I just bought! Which seems odd to me because I bought it from a guy who bought it for his wife back in the day and she never used it. (having had a go at the manual - I can see why she decided to never use it) I would have thought it might have an older firmware version on it. But I'm happy it didn't. :)



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Re: TG77 firmware revisions?

Unread post by joeT » Mon Apr 06, 2015 12:31 pm

Yes, my TG77 has the same firmware and date



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Re: TG77 firmware revisions?

Unread post by scottrod » Fri Nov 13, 2015 12:42 am

Yes, my new-to-me TG77 s/n IZ01133 also has V.1.02 installed.



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Re: TG77 firmware revisions?

Unread post by Arkku » Sun Feb 07, 2016 4:47 pm

FWIW, my TG77 also has the same firmware, so it begins to look like this is the only commonly sold version.



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Re: TG77 firmware revisions?

Unread post by ledan » Mon Feb 08, 2016 9:36 pm

SY77

main rom 1.5 (1990-07-10)
seq rom 1.5 (1990-08-01)



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Re: TG77 firmware revisions?

Unread post by teevee » Thu Oct 12, 2017 2:29 pm

Hmm I want to check mine later. Did anyone manage to dump any of those firmware revisions? :)



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