Re: looking for a chip

Hi,

How would you get it on the heat sink then?

Thanks,
Mark Capps

Mark E Davidson wrote:

> Thanks for all the replies! I found the chips at Consolidated at James
> recommendation and ordered a dozen. Amusingly enough, The "backwards" MB3713 was
> also in stock and 1/2 the price.
>
> -=Mark=-
>
> Marc Alexander wrote:
>
> > Don't know if it helps any...
> > The MB3712 (commonly Fujitsu branded?) is a really common old audio amp used on
> > many older arcade boards, and you can double your chances of finding one,
> > as the MB3713 is absolutely identical but has the pinouts reversed,
> > so if you can find an MB3713 just put it in the other way around...
> >
> > You can see the pinouts on many old schems, including page 8 of this one:
> > http://www.spies.com/arcade/schematics/PDF/MoonCrestaSch.pdf
> >
> > Cheers,
> >
> > Marc
> >
> > ----- Original Message -----
> > From: "Jess Askey" <jess@askey.org>
> > > Are these the same chips used on most Konami boards? If so, Im sure I have a
> > > track and field board around here that I can send you. Anyone know if they are
> > > the same? It sounds very familiar.
> > >
> > > Mark E Davidson wrote:
> > > >
> > > > An apology to all as this is really a raster question... Only problem is
> > > > that after 3 send, It doesn't seem to go through and since most of the
> > > > people read here anyway..... My question..
> > > >
> > > > Im looking for an IC for my Cinematronics, Jack The Giantkiller board, I
> > > >
> > > > believe that it is the audio amp chip for the sounds. The Fairchild # is
> > > >
> > > > MB3712. This crosses to an ECG 1423. The real problem is that NTE bought
> > > >
> > > > ECG and NTE has no cross-reference for this chip. A quick trip to my
> > > > local electronics store confirmed my fears that NTE dumped the ECG chip
> > > > in the acquisition :-(.
> > > > Does anyone have a source for this chip or pin out of these chip (it is
> > > > an 8 pin single inline package) so I can do some reverse engineering?
> > > > Unfortunately ECGs site is gone so that's no help. :-(
> > > >
> > > > ---------------------------------------------------------------------------
> > > > ** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
> > > > ** message body to vectorlist-request@synthcom.com. Please direct other
> > > > ** questions, comments, or problems to neil@synthcom.com.
> > >
> > > --
> > > later,
> > > jess
> > >
> > > ***** I have a new email address... jess@askey.org *****
> > > ---------------------------------------------------------------------------
> > > ** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
> > > ** message body to vectorlist-request@synthcom.com. Please direct other
> > > ** questions, comments, or problems to neil@synthcom.com.
> > >
> >
> > ---------------------------------------------------------------------------
> > ** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
> > ** message body to vectorlist-request@synthcom.com. Please direct other
> > ** questions, comments, or problems to neil@synthcom.com.
>
> ---------------------------------------------------------------------------
> ** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
> ** message body to vectorlist-request@synthcom.com. Please direct other
> ** questions, comments, or problems to neil@synthcom.com.

---------------------------------------------------------------------------
** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
** message body to vectorlist-request@synthcom.com. Please direct other
** questions, comments, or problems to neil@synthcom.com.
Received on Sat Jul 21 01:09:56 2001