Hi everyone, I replaced the faulty chip with TPS51125 and it worked..
![Восторг :ya_hoo_oo:](./images/smilies/bp.gif)
. The problem with the laptop was short on 19v RAIL. The faulty components was shorted caps around PQ105, shorted PQ102 and faulty PU103 which I replace with TPS51152. Hope it helps someone since there are no schematics for this model..
![Ага :a_g_a:](./images/smilies/bs.gif)