legion y520

I would like to ask for help, namely: I got a disc with torn pads of the battery connector. After a small design (pictured), after connecting the power supply, the charging lamp (orange) lights up for a while and no reaction. After entering windows, it does not see the battery, after...

Lenovo Legion Y520 Laptop BIOS NM-B191 R720-15IKBN NM-B191 REV1.0 Schematic NMB191R10_FAB-FT.tvw.zip NM-B191 Y520 MB_N17P_SVT_20161125-1430.pdf Y510_TP DB_SIT_20161125-1300_FOR GERBER.pdf Y520_IO DB_SVT_20161125-1300_FOR GERBER.pdf