Dell Inspiron 1564 Power-On problem

Hello,

I have a Dell Inspiron 1564 that wont power on, even the screen wont back lit. i get a single one second blink of the charge LED when connected to the power supply (with/without battery) .. if the battery alone is connected i see nothing at all, the power adapter working fine and tested on another inspiron. am in a country where I cant find a trusted technician that i can give this to, I am suspecting the motherboard to be the problem but i cant confirm this. all help is appreciated. also is there a way I can get the schematics of the motherboard so I can try and find the fault and replace it (if the mainboard is the problem)?

Thanks
Ali Al-Abd