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Old May 26th 18, 06:32 AM posted to alt.comp.hardware.pc-homebuilt,alt.windows7.general,alt.comp.os.windows-10,alt.comp.periphs.keyboard
B00ze
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Posts: 472
Default Unicomp Model-M a disaster --RESOLVED--

On 2018-05-25 01:19, Paul wrote:

B00ze wrote:
On 2018-05-24 22:29, Andy Burns wrote:

B00ze wrote:

I had used 100% alcohol to clean the traces on the
transparent plastic "membrane" earlier, trying to get better contact to
the controller board. This weekend, flipping the membrane over, I
discovered that I had totally removed some of the traces when I used
the
alcohol; so some of the traces were "cut" and will never again make
contact with the controller board. So this keyboard is toast;

Could you use some of the silver(?) conductive paint to re-draw the
traces?


Ohhh, I did not know about this. Found a "pen" of conductive paint,
ironically from MG Chemicals (the 100% Alcohol is from them.) Darn, I
have already removed a bunch of parts from the keyboard; guess I'll
have to put it all back together now.

Excellent suggestion, thanks! I will try this in maybe 2 weeks? Will
come back and let you know if it works.

Best Regards,


http://www.pckeyboard.com/mm5/mercha...uc t_code=MEM

Membrane assembly Price: $10.00


The problem is the membrane sits between the metal backplane and the
black plastic base which holds the keys. The two (metal backplane and
black plastic base) are held together by melting the black plastic
rivet-like - I cannot separate them...

Have a chat with them, see what they've got.


They have seen this thread, I am pretty sure, and are probably not
happy; they are not chatting with me anymore. But for a hundred bucks, I
expected a working USB controller; there were different bugs on two of
the controller versions I had. I expect bugs from some things, but not
from a Model M keyboard.

Regards,

--
! _\|/_ Sylvain /
! (o o) Memberavid-Suzuki-Fdn/EFF/Red+Cross/SPCA/Planetary-Society
oO-( )-Oo Error reading FAT Record. Try the skinny one (y/n)?

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