DELL H240AS-00 power supply schematics requiring

Hi there,

i have several of DELL H240AS-00 smps power supply (D240A002L Dell P/N) to be repaired due to a common fault.
Main circuit power mosfet fail with its snubber capacitor, PWM IC and fuse resistor.
This trouble is driving me crazy because i cannot fix it.
Do anybody have a schematic ??

Thank you so much.

Daniele