Fan Shakes, Magsafe LED is on and than it turns off slowly

I have a new tested Logic board in my macbook, but it doesn't work.

When i plug in the Magsafe charger the Green LED turns on, than the fan shakes a little bit but nothing when I press the Power button. After a few moments the LED of the Magsafe cord slowly dims down to off.

Can anybody help me?

Update

When i make it with and without battery it is the same.

Without battery it is how i have discribed it.

With the Battery it shakes when i press the power button.

Update

Nothing... The cables are all conected... but nothing....

Update

The old one was damaged by a Latte Macchiato... not by me, but I have become the trash and now i try to get a working LogicBord.

I try another one.

Thank you for your help.

Update

Nothing get wet only the magsafe and the logicboard.

The magsafe is replaced.

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Do you have the battery plugged in? If you do, try testing it with out it. What happens then?

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Are you sure the logic board is good? What happened with the old one?

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It's possible you have other problems with the other parts of the system.

Did you clean everything down where the drink spilled into? How is the keyboard? Did it get wet?

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Chosen Solution

Try resetting the SMC. If that fails do it again this time holding down the power button for a good 30 secs.

If that doesn't help then you'll need to check your logic board connections did you mis connect one of the cords or ribbon cables?

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