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Default Compaq R3000 Laptop (AMD Processor) Charge Circuit Problem

Hello All,
My laptop no longer charges the battery. I need a motherboard
schematic or at least somebody that knows what 'normally' dies in that
circuit. There is a current sense resistor in the charge path, and
some FETs that i cannot find a datasheet for. There must be some
comparators somewhere in there controlling the FETs. Dose anybody know
about this circuit,or have a schematic??

Thanks!!!
-Stephen
 
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