hello,
i have v2000 compaq charging error changed the max1772 still problem i have tried a new battery also i have the same problem the battery terminal has all the supply mbat_data 3.3v mbat-clk 3,3v batt temp ok except the pin 1 mbat+ the high voltae does not come typ 11.4V for charging. i have noticed the max1772 ref 4.096v is very low but the ldo 5.04v is okay.where can the problem be .

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repairs of laptops and selling of components

the problem is with the open track mbat+ vai 100k resistor going to the micom pc97551 pin 82 was open which monitor the battery condition and makes the max1772 go from voltage mode to current mode. eveyone please make a note on this as it is a very common problem with m2000 and v2000

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repairs of laptops and selling of components