may be broken the main board?

hello, i'm a macbook pro a1229 without batery, and when i connect the magsafe appears a green led on it but when i press the power button the computer don´t turn on.

but when i disconnect the magsafe, press the power button and inmediattely reconect the magsafe, the computer power on,(in this case the magsafe dont blink any color), works fine but the fans were too noise, and with smcfancontrol or istat dont appears the cpu/fans temperature.

i try to reset the smc and pram but the fans were still noise.

the black light keyboard dont work.

i have the mac os mountain lion with the last emf and smc firmware released for my computer (macbook pro 3,1).

whats the problem?

many thanks

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