Sun Type 5 keyboard f*-up

From: Dwight K. Elvey <dwight.elvey_at_amd.com>
Date: Thu Nov 18 11:53:22 2004

Hi
 The Sun keyboards would need to be disassembled if they have
water on them. These are made of multiple layers of flexible
pcb. One might dry for a month and not get it dry. Just
a few hours with the layers wet will cause traces to be rotted
away ( from experience ).
Dwight


>From: james <james_at_jdfogg.com>
>
>> How rugged is this KB? Will it take water, and relatively hot water
>> too?
>
>Any keyboard will take boiling water, at least on the circuitry. During
>manufacture circuit boards are washed after wave soldering in a 200
>degree spray (ph isn't neutral, but I don't remember which way it
>swings).
>
>The only concern is the plastics.
>
>I've washed all my keyboards (incl Sun) in dishwashers on regular cycle
>with a little detergent (NOT Cascade or other powder detergents that
>contain sand - use liquid). I don't recommend using the drying cycle.
>The trick is to chase the water afterwards and I use isopropynol
>(rubbing alcohol) to do that. Isopropynol binds to water and will take
>it away as it flows off the board.
>
>Follow with a hair dryer and a day or two in the sun.
>
>This also works for rescuing electronics that have been dropped in
>lakes/oceans if you get to them quickly.
>
>
Received on Thu Nov 18 2004 - 11:53:22 GMT