[NTLK] Help with getting to the screen

From: Sean Luke (sean_at_cs.gmu.edu)
Date: Tue Mar 05 2002 - 09:48:47 EST

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.


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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