04/29/88: keyboard by Delphi, | Category: Delphi - Hardware Hacking | 6 comments - (Comments are closed)

keyboard

40660 29APR88-0130 Hardware Hacking
keyboard
From: TICTOC To: ALL

I have the $4.95 keyboard. Some time ago my cat spilled coffee into it aI
rinsed it out with alcohol. Most of the keys are out, intermittant, or
incorrect. I do not want to spend 30 bucks for a new one as I am getting a CoCo
3 befor year end.

I miss the keyboard as I have lots of programs for it including TW64. I would
appreciate any suggestions. Thanks.

6 comments to keyboard

  • pucc_unknown

    40664 29APR88-0937 Hardware Hacking
    RE: keyboard (Re: Msg 40660)
    From: DONHUTCHISON To: TICTOC

    Try to convince your cat to be more careful with its coffee . . .

  • pucc_unknown

    40677 30APR88-0709 Hardware Hacking
    RE: keyboard (Re: Msg 40660)
    From: MARTYGOODMAN To: TICTOC

    Your keyboard MAY be permanantly ruined. However, what I would
    try IF I had a lot of time and patience is the following:

    Unscrew the back of the keybaord (this involves taking out LOTS
    of tiny litte screws. Put them away CAREFULLY!)

    Remove the metal plate.

    Now remove the mylar circuit board that IS the keyboard circuit.
    Unfold it. Soak it in tap water that has a small amount
    of dishwasher fluid in it for a while,
    then rinse in fresh tap water. Allow to dry thoroughly.
    The fold it back up and re-install it.

    This may fix it.

    Please give me your real name and the state and city
    you live in, for your question seems to make
    for an interesting CoCo consults question.

    —marty

  • pucc_unknown

    40703 30APR88-2138 Hardware Hacking
    RE: keyboard (Re: Msg 40677)
    From: TICTOC To: MARTYGOODMAN

    John Gordon Reid, Woodside,NY

    Thank you for the info. I am a Watch/clockmaker by trade and so all the little
    parts is no problem. How about putting the c
    circuit board in an ultrasonic cleaning machine with a gentle watch cleaning
    solution.

  • pucc_unknown

    40750 2MAY88-0435 Hardware Hacking
    RE: keyboard (Re: Msg 40703)
    From: MARTYGOODMAN To: TICTOC

    Hmmm…

    I SUSPECT that your ultrasonic cleaner will
    do no harm, and indeed may accomplish very
    effective cleaing. My only concern is the
    REMOTE and UNLIKELY possibility that the ultrasound
    might in some way cause the conductive
    traces on that mylar to be loosened from the
    mylar itself. I DOUBT this,…
    but in the back of my mind is MILD concern on that
    matter.

    I’d suggest this:

    Try the “gentler” approach of merely trying to
    dissolve and/or gently rub any sticky-gooey stuff
    off, and then, IF that doesn’t do the trick..
    what the heck… give the ultra sound a try.
    It may well be THE best approach. I just am not certain.

    If you are a repairer of watches, then you will
    not be intimidated by all those teeny little screws
    on the keyboard back. Heck…to YOU those are probably
    stove bolts!

    Know anything about PULSAR watches? I got this
    Pulsar watch that stopped. The problem is NOT
    the battery, for I had that replaced. It’s one
    of those diving watches, with screw in crown,
    rated to 150 meters or some such. One of
    the less expensive (retail about $150 years ago)
    quartz thingies. Which have largely been replaced
    by cheap (but effective) digital Casio’s. The thing
    as a rotating ring, too, for timing. Anyway…
    it’s broke! It will go for a bit if you slap it
    around, then it stops. A local watch repair person
    said he couldn’t fix it.

    Care to take a look at it? I’d even trust you to
    either fix it at a reasonable fee, or give me
    an honest report that it does not pay to fix it,
    in which case I’d let you keep it. I’d trust you
    to be straight with me about such matters.

    Interested?

    After all, the watch is just sitting around (somewhere)
    doing me no good at all right now. I’d prefer to see it
    in the hands of SIG member, if said member could use
    its parts, assuming it is unrepairable. I’d guess there
    is a SMALL chance the problem is trivial, and merely
    one of a bad conact.

    —marty

  • pucc_unknown

    42770 10JUL88-2226 Hardware Hacking
    RE: keyboard (Re: Msg 40750)
    From: TICTOC To: MARTYGOODMAN

    I WOULD LOVE TO TRY TO FIX YOUR WATCH. I HAVE ASKED A FRIEND FOR PRICE
    SUGGESTION BUT HE HAS THE SAME PROBLEM AS ME KNOWING HOW MUCH TO CHARGE. IF NO
    PARTS ARE NEEDED ABOUT 25.00 + SHIPPING ETC I THIMK WOULD BE ABOUT RIGHT. I
    MUCH PREFER TO REPAIR
    ANTIQUE CLOCKS AS I ENJOY MAKING MISSING OR BROKEN PARTS FRON SCRATCH AND I CAN
    GET UP TO $300.00 PER. OF COURSE BROKEN IT’S WORTH NOTHINGAND FIXED CAN BE
    WORTH A COUPLE GRAND. I DON’T GEGET MANY OF THOSE THOUGH, UNFORTUNATELY.
    I’LL TRY LEAVING YOU A PRIVATE MSG IN EMAIL WITH MY ADDRESS.
    …..

  • pucc_unknown

    42806 11JUL88-1908 Hardware Hacking
    RE: keyboard (Re: Msg 42770)
    From: MARTYGOODMAN To: TICTOC

    Thank you VERY much, John, for your kind offer.
    Your EMAIL came thru JUST FINE, and I will send that watch to
    you shortly.

    —marty