Re: [NTLK] Help with getting to the screen

From: Daniel Padilla (daniel.padilla_at_wanadoo.es)
Date: Tue Mar 05 2002 - 13:40:28 EST


   this could help you too. There are some steps missing, I hope you can do it
without them.

http://dev.newtontalk.net/~dpadilla/touchscr.htm

Daniel Padilla

----- Original Message -----
From: "Sean Luke" <sean_at_cs.gmu.edu>
To: <newtontalk_at_newtontalk.net>
Sent: Tuesday, March 05, 2002 3:48 PM
Subject: [NTLK] Help with getting to the screen

>
> Pictures. I need pictures! Even with the descriptions you guys are
> giving, I'm still totally puzzled as to how to get at the screen layer.
>
> Sean
>
> On Tuesday, March 5, 2002, at 03:37 AM, Heiko wrote:
>
> > I can agree on this. I have opened my Newton last sunday, because of a
> > screen
> > misalignment, cleaned the contacts and everything was fine again.
> >
> > Paul Nuernberger wrote:
> >>
> >> This is how I have fixed 2 2k's and 3 2k1's. It was posted to the
> >> original
> >> NTLK list three (?) or so years ago. Since it involves MAJOR
> >> disassembly of
> >> the newton I have never recommended it on-list (for the technically
> >> adept,
> >> or at least the very brave, only !!)
> > <snip>
> >>> I wouldn't bother with software and straight open the thing. Just
> >>> yesterday
> >>> I opened a MP2100 and had a closer look how it is done: A flexible
> >>> PCB comes
> >>> from the screen which has 4 tracks. They are silver but they don't
> >>> look like
> >>> tinned copper but more like aluminium. These 4 tracks are forming a
> >>> sort of
> >>> ring track around the screen and have for shure something to do with
> >>> the pen
> >>> recognition. The contact to the mainbord is made very simply by
> >>> clamping the
> >>> flexible board onto the mainboard by means of 2 screws. Since this is
> >>> no
> >>> springloaded contact the clamping force may vary and dirt can go in
> >>> the gap
> >>> or the bare metal surfaces could oxidize if e.g. liquids or water or
> >>> may be
> >>> only water vapor condenses there.
>
>
> --
> Have you checked the FAQ lately? http://www.guns-media.com/mirrors/newton/faq/
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>
>

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