Re: Help Needed: Problem w/Apple IIc KB

[Rick <rick@internet.net>]

On Fri, 26 Jan 2001 08:59:51 GMT, Rubywand <rubywand@my-deja.com>
wrote:

>Rick <rick@internet.net> writes ...
>
>> I hope someone here cvan shed some light on a problem I'm having.  A
>> coworker asked me to help fix an Apple IIc Keyboard problem he;'s
>> having (I'm a support tech at work - IBM only).  Three of the keys
>> when pressed display several erroneous characters on the screen.  The
>> three keys are the "zero" the "minus" and the "plus" keys.  I hope I
>> identified all them, they are the top row last numer (zero) and the
>> two immediately to the right of the 0.  All the other keys work fine.
>> Originally I thought it was "keybounce" but they don;t actually
>> display the correct cjharacter and several display when pressed.
>>
>> Does anyoine have any ideas as to the cause?  I tried pulling the
>> keycap and spraying air but it doesn;t really seem to be a dirt
>> problem.  Is there an easy way to pull the case (I see several screws
>> heads on the bottom) but can't seem to seperate the case to see if
>> something is possibly shorting the keyboard perhaps.
>
> ....
>
>     That sounds likely-- e.g. Coke or some other drink spilled on the
>keyboard; or a bit of fine wire, foil, etc. got inside. Something else
>to try is resocketing all socketed IC's-- one may have a pin making poor
>contact.
>
>     To open the case you may need to remove the rubber feet-- not sure
>about this; but, it's pretty common to hide bolts under stick-on feet.
>
>
>
>Rubywand
>
>
Thank you