Not charging, MagSafe led is green, working only with charged battery
I have a Macbook Pro 13" Early 2011, problem is "Battery is not charging".
When I connect MagSafe adapter, green led appears and no amber/orange led turns on.
I removed the battery and plugged into another Macbook Pro, It seems charging and functioning normally. I have fully charged the battery on working Macbook Pro and plugged back another Macbook Pro. System is starting normally, but "Battery is not charging" label appears on top of screen. MagSafe led is green and battery is discharging. When the battery is completely discharged, there is no way to power on the unit. Only working with charged battery.
I did SMC, PRAM reset. No luck.
I think it's a logic board problem.
Please help. (I have electronics skills.)
Battery is charging perfectly on working Macbook Pro.
I measured current sense resistors with multimeter on faulty Macbook Pro. One of them about 2.5ohms, another is about 50ohms. Are these correct?
R7052 current sense resistor was causing the problem. I've measured it as 50 ohms before. I've replaced it with 0 ohms. Problem SOLVED!
Is this a good question?