Can a faulty Magsafe power board prevent a Macbook from starting up?

Found a cheap Macbook for parts online (1.83 GHz Core Duo, 1 GB of RAM, no hard drive) and it says that it will not power on due to a bad power board (MagSafe board). I looked it up online and it looks like I am capable of doing such a repair according to iFixit.com (it DOES come with a new power board that I could install, I am rather good when it comes to computer upgrades).
It will also not power on with the battery, the person says, though the battery is in good condition. Could a bad power board be the reason a Macbook will not power on? Would this be a good deal for a person with quite a bit of experience in hardware upgrades (I'm looking at around $100)

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