LA7680 is 48 pins, LA76805 is 54 pins..
--- [EMAIL PROTECTED] wrote:
> Ronnie,
> The closest I could get is to the LA7680 datasheet,
> available from Sanyo.
> Maybe these are pinwise related. Could be helpful
> for troubleshooting.
> Back in the early 90's the LA7680 was used by just
> about every TV
> manufacturer from Asia. Notorious for having a
> thermal failure. Once warm, the picture
> would lose color gradually and then would scramble.
> Hit it with a little cooling
> spray and the picture would come back.
>
> Tony
>
>
> Reply to:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> Sorry for it..
> Anyway it's a 54 pin chip in DIP package and it is a
> Y/C/Jungle IC of a Promac TV(China) and is about 2
> years old..
> I try to locate the datasheet here:
> http://www.cmbcomponents.com/
> They have a stock of the chip but if you try to
> click
> the datasheet it is not found..It also says that it
> was made by Sanyo but browsing the Sanyo website
> can't
> find any data for it.
> There you go..
>
> --- Declan Moriarty <[EMAIL PROTECTED]> wrote:
> > On Wed, Apr 21, 2004 at 11:49:19PM -0800, rhonn
> > tabanao enlightened us thusly
> > > Hi,
> > > I need any info,datasheet or replacement for
> this
> > chip
> > > LA76805.
> > > Thanks for any info.
> > >
> > I take it it's not in the databooks, or offered on
> > the net.
> >
> > Those of us who live by the seat of our pants are
> > used to making
> > inspired links to parts or data that exist, but we
> > also need
> >
> > 1. Package
> > 2. Pin count.
> > 3. Your best guess(es) at the function.
> > 4. Approximate age of the device.
> > 5. Some idea of what the unit it is fitted to
> does.
> >
> > To illustrate: If in an old tv, mebbe LA7680 (S) ?
> > If an old dil cpu mebbe (perish the thought) (LA7)
> > 6805 ?
> >
> > If an smpsu controller, mebbe LT 7680?
> >
> >
> > --
> >
> > With best Regards,
> >
> >
> > Declan Moriarty.
> > --
> > Author: Declan Moriarty
> > INET: [EMAIL PROTECTED]
> >
> > Fat City Hosting, San Diego, California --
> > http://www.fatcity.com
> >
>
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>
> =====
> Ronnie B. Tabanao
> Everything Electronics Services
> #06 Juan Luna St.,La Castellana,Negros Occidental
> 6131 Philippines
>
=====
Ronnie B. Tabanao
Everything Electronics Services
#06 Juan Luna St.,La Castellana,Negros Occidental
6131 Philippines
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--
Author: rhonn tabanao
INET: [EMAIL PROTECTED]
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