On Thursday, November 27, 2003, at 08:00 PM, "roger pugh" <[EMAIL PROTECTED]> wrote:


washing a classic II logicboard in the sink with normal washing up liquid
was all that i found to be needed. Scrub the areas around the capacitors
(little silver cans) carefully with an old toothbrush, Follow this with a
rinse under the cold tap and leave it to drip dry. Its a pitty Apple didnt
leave washing instructions printed on the circuit board

If the board has socketed chips (eg ROMs), lift and reseat the chips slightly when the board is dry just in case there is any water trapped in the socket. If you don't have a chip remover, just use a flat bladed screw driver at both ends of the chip so that the legs are lifted by a millimetre or so. If you live in a hard water area, use demineralised water (from your local motor factors) to rinse the board. If a board has been exposed to battery leakage, white vinegar is effective at neutralising the alkaline deposits before cleaning with water.


Phil


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