Hello,
I'm working on a Lenovo v330-15kb motherboar, no power ni light. I checked the voltages and everything looks ok on S5 phase but can't go any further. Initially the problem came from the bios, bad update. I reflashed it back with a ch341 but still nothing. The battery was discharged (less than 2V, 2 cells). I charged it directly and the output voltage is around 8V. The sio_slp_s3 and sio_slp_s0 signals remain active and the prochot and vr_hot signals are also active. I sigh the battery not to communicate with the motherboard because fault flag due the undervoltage.
Can anyone test starting the board without connecting the battery, the ram and ssd or hdd please?
Thank you.
Schematic: >>click here to download<< ---> https://www.badcaps.net/forum/showth...87#post1079087
I'm working on a Lenovo v330-15kb motherboar, no power ni light. I checked the voltages and everything looks ok on S5 phase but can't go any further. Initially the problem came from the bios, bad update. I reflashed it back with a ch341 but still nothing. The battery was discharged (less than 2V, 2 cells). I charged it directly and the output voltage is around 8V. The sio_slp_s3 and sio_slp_s0 signals remain active and the prochot and vr_hot signals are also active. I sigh the battery not to communicate with the motherboard because fault flag due the undervoltage.
Can anyone test starting the board without connecting the battery, the ram and ssd or hdd please?
Thank you.
Schematic: >>click here to download<< ---> https://www.badcaps.net/forum/showth...87#post1079087
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