Re: AAAAAUGH! Dead IIgs keyboard!

[Rubywand <rubywand@swbell.net>]

Dave Althoff writes ...
> 
> AAAAAAAAUGH!!!
> 
> We had a bad rainstorm the other night.  My desk got soaked (the window
> was open).  My IIgs keyboard...a REAL IIgs keyboard...got rained on.
> 
> A couple of hours after the rainstorm, everything was just fine.
> 
> The following night, disaster struck.  Suddenly the space bar, backslash,
> left arrow, right arrow, down arrow, keypad 0, keypad ., keypad ENTER,
> keypad 3, keypad 2, and keypad 1 keys no longer function.
> 
> Shorting the solder pads under the keys in question does nothing, so it
> isn't the key switches.  Those are the only keys that do not work.
> 
> My first guess is that there is a bad jumper on the board someplace, but
> the jumpers are all on the switch side, and inaccessible without removing
> *all* of the switches.  Does anyone have any ideas?  A map of the PC board
> so that I can duplicate the jumpers on the bottom side?  Any other theories?
> 
> I really don't want to have to buy a new keyboard, particularly since that
> would probably mean getting a keyboard with the CONTROL key in the wrong
> place...

     As any user of some modern PC keyboards can confirm, having the Control
keys in the wrong place is definitely something to avoid.

     A connection may have been established via deposit of dissolved material.
One try is to center upon the IC's (since this is where a fake trace might have
the greatest impact).  Use water to clean traces at IC pins. Blot dry and follow
with dabbing using alcohol. Blot this dry and wait a while; then, try out the
KB.



Rubywand



> 
> --Dave Althoff, ][.
> --
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