SERVICE MANUAL-schematic diagram SMART-UPS APC SUA1500I

[GEORGIO32]

Hello guys,i am searching for a schematic diagram-service manual for SMART-UPS APC SUA1500I.
I am searching for many days but i cant find it.i have found many similars models but they are not correct.PLEASE if anyone can help me with this i would be very grateful.

Also in the main board has these numbers if they can help:
640-7732H REV 9 APCC 2002 MAIN PCB 3.6G SMART-UPS


Thanks in advance.