Vintage Synth Repair

Hello,

I need a datasheet, or at least the pinout info, or anything about the
chip TMS3615NS from Texas
I found one inside a pedalboard that I am trying to repair
any help would be welcome
please

thank you
Paolo

yes, you are right
but unfortunately I have no idea about it
it is a 13 note pedalboard I bought on Ebay; at first I just wanted to
cannibalize it and make my own MIDI electronics for it,
but then I saw it has something inside, maybe it works by itself,
and I decided to try resurrecting it before

the mechanics are from FATAR, it has a "MINOR" label over the Eb 
pedal and "SEVENTH" over the E pedal; it is all black with brown 
pedals for the "white" keys and black for the black ones.

only a black cable is coming out from the back, ending with a 
rectangular 12 pin connector

that's all I know

thank you
Paolo

--- In vintagesynthrepair@yahoogroups.com, "EviMarn" <nicmat@...> 
wrote:
>
> it would be of more help to state what type of organ/synth it is in 
just in case someone has the schematics or notes.
>   ----- Original Message ----- 
>   From: zaph632002 
>   To: vintagesynthrepair@yahoogroups.com 
>   Sent: Tuesday, November 21, 2006 4:42 PM
>   Subject: [vintagesynthrepair] TMS3615 DataSheet needed please
> 
> 
>   Hello,
> 
>   I need a datasheet, or at least the pinout info, or anything 
about the

>   chip TMS3615NS from Texas
>   I found one inside a pedalboard that I am trying to repair
>   any help would be welcome
>   please
> 
>   thank you
>   Paolo
>

>I need a datasheet, or at least the pinout info, or anything about the
>chip TMS3615NS from Texas
>I found one inside a pedalboard that I am trying to repair
>any help would be welcome
>please

I looked around a bit on google, no datasheets or anything, but it's a tone 
generator of some sort (monophonic?  square wave?).  The most interesting 
thing I found is that it was used in some arcade games, so there's a good 
chance it's emulated in MAME (I know they try to track down information 
about obscure sound chips and such)- you may want to ask around, someone may 
have info or schematics from one of the games or something.  I'm not sure if 
it's really worth the effort to do that, but it might be kind of fun anyway.

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Hi Scott.
Try www.organservice.com/crm/topdividers.htm There is a link to the supplier
at the bottom of the page
Best regards. John.
----- Original Message -----

From: "Scott Nordlund" <gsn10@...>
To: <vintagesynthrepair@yahoogroups.com>
Sent: Thursday, November 23, 2006 5:52 AM
Subject: RE: [vintagesynthrepair] TMS3615 DataSheet needed please


> >I need a datasheet, or at least the pinout info, or anything about the
> >chip TMS3615NS from Texas
> >I found one inside a pedalboard that I am trying to repair
> >any help would be welcome
> >please
>

I bought an Ibanez SDR-1000 reverb recently (1986-ish, designed by Sony and 
also sold as the Sony MU-R201).  There was also an SDR-1000+ which was 
evidently an upgrade version- I assumed it would be an EPROM swap, like the 
Alesis Quadraverb Plus.  I'd like to upgrade it if possible, but I opened it 
up and there's only a ROM chip soldered in (Version 1.0).  I don't imagine 
either Sony or Ibanez being any help, but I'm not really sure where to look. 
  Has anyone got any information or ideas?

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