It looks like your IC17 would be a LM1889 (or U1889 ) which is a TV video
modulator - so of no real consequence if it's missing, as you're not
watching through your tv aerial . Can't get to my Dragons to confirm this
but I'm sure they'll know on the Dragonuser site.
Geoff.
----- Original Message -----
From: "Jules Richardson" <julesrichardsonuk_at_yahoo.co.uk>
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk_at_classiccmp.org>
Sent: Monday, July 19, 2004 5:50 PM
Subject: Re: Dragon 64 fixing...
> On Mon, 2004-07-19 at 15:29, Jules Richardson wrote:
> > Finally found the five minutes to see if my Dragon 64 works. It doesn't.
>
> After some further digging on the web, the board in my machine is an
> issue 2A, and is *not* the same layout as the one at:
>
> http://perso.wanadoo.fr/mpc.fab/dragon/photos/dragon64carte.jpg
>
> ... however it's roughly the same and my 'missing' IC17 is approximately
> where IC39 is in that photo, just below the ROMs. They both happen to be
> 18 pins, and so quite possibly the same chip - unfortunately I can't
> read the number off that photo. Any idea what it does?
>
> Unfortunately the only D64 schematics I've found on the 'net are mono
> GIF images of such unusable quality as to be a total waste of the host's
> webspace :-(
>
> cheers,
>
> Jules
>
Received on Mon Jul 19 2004 - 15:59:54 BST
