:: Solder sucker and/or desoldering iron (vacuum) on each individual
:: pin:
:: Hard to get all of the pins cleaned out enough to pull the chip
:: out,

I don't recall how many layers your board has or if it has large power 
planes, but gel flux (expensive'ish) dotted around the pins to be 
desoldered, and then a desoldering iron applied with 1mm or less tip size, 
allow solder to heat through hole etc, wiggle tip head around, the pin 
should move, then suck.

Before buying gel flux, often applying new solder to the pin will 'reflux' 
the joint plus act as a interface (can't think of the proper word at the 
moment) to the desoldering tool.  Solderbarid can also be more effective 
sometimes I've found than a desoldering iron.

Motto: To desolder, solder is needed! 

Colin 
--
cdb, colin@btech-online.co.uk on 23/07/2010
 
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