Hello,
I have next samsung NP535U3C laptop with a charging battery problem
The laptop doesn't charge the battery, in Windows 10 it displays plugged in, but doesn't charge the battery
I replaced the BQ24735 charger, checked the mosfets
I flashed bios and KBC
laptop works:
- with the power supply without battery connected
- with the power supply with battery connected
- without power supply with battery connceted
battery is ok, i checked it on another laptop
voltages and resistance coils to gnd:
L1 0,8V - 2,4ohm
L2 1,1V - 8,6ohm
L3 0,8V - 1,5ohm
L4 1,5V - 330ohm
L5 3,4V - 2,6kohm
L6 5V - 6kohm
L7 3V - 56kohm
Bq24725
1 7,7V
2 7,7V
3 6,6V
4 2,5V
5 3,2V
6 2,8V
7 0V
8 3,3V
9 3,3V
10 0,7V
11 7,7V
12 7,7V
13 7,7V
14 0V
15 0v
16 6V
17 7,5V
18 7,7V
19 7,7V
20 18,8V
I don't know what else to check
I have next samsung NP535U3C laptop with a charging battery problem
The laptop doesn't charge the battery, in Windows 10 it displays plugged in, but doesn't charge the battery
I replaced the BQ24735 charger, checked the mosfets
I flashed bios and KBC
laptop works:
- with the power supply without battery connected
- with the power supply with battery connected
- without power supply with battery connceted
battery is ok, i checked it on another laptop
voltages and resistance coils to gnd:
L1 0,8V - 2,4ohm
L2 1,1V - 8,6ohm
L3 0,8V - 1,5ohm
L4 1,5V - 330ohm
L5 3,4V - 2,6kohm
L6 5V - 6kohm
L7 3V - 56kohm
Bq24725
1 7,7V
2 7,7V
3 6,6V
4 2,5V
5 3,2V
6 2,8V
7 0V
8 3,3V
9 3,3V
10 0,7V
11 7,7V
12 7,7V
13 7,7V
14 0V
15 0v
16 6V
17 7,5V
18 7,7V
19 7,7V
20 18,8V
I don't know what else to check
