Is it possible to replace the original logic board with a 1.67 board?

I think I've blown the logic board in my 1.5 GHz PowerBook 15" by letting the end of the display cable touch something on the board while powered on. (Is there a way to replace specific parts on the logic board?). I, however, am not 100% sure that the logic board is blown. I bought this computer off eBay, and it was reported to have had a bad display cable. I have not yet replaced the display cable. Could this be my problem? When the end of that cable touched the logic board, electricity arced and there was a pop. It doesn't chime when I press the power button now, as it did before. Logic board, right?

Anyway, my main question is if it's possible to stick a 1.67 GHz board in the PowerBook (bearing in mind that it is in the 1-1.5 GHz generation, and the 1.67 GHz had differences). Are they totally different animals? I look at close up pictures of the 1.67 board and it looks the same, but I don't know if it's exactly the same. I don't want to buy the wrong thing.

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If the 1,67 board is from a machine with hi-res display (1440x900) and with double layer superdrive - no chance. They just share the same appearence and the name.

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It's true, the 1-1.5GHz and the 1.5 to 1.67GHz generation *might* be the interchangeable, at least seemingly, but a 1.67GHz (dual layer super drive, hi res display) board definitely won't work. way too many technical changes. You're best bet is to replace with an identical 1.5GHz board from the same generation.

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