820-2936 trackpad lags when charger is connected

[huzeafa]

hello guys, Have got an 820-2936 that works fine with the battery , but once I connect the charger the machine would start to lag, and runs really slow , Q5300 voltage devision circuitry is working okay as well as Q5310, am not sure where else to look, please help.

 

[2informaticos]

Post exact resistance between pins 17/18 snd 27/28 of U7000.
PPBUS_G3H voltage on charger only (no battery)?