I'm looking for info on how to go about troubleshooting this apple iie motherboard I'm working on that isn't powering up. The power supply works and confirmed in full working order. Motherboard isn't even getting the led lit up when power is on sadly. I was wondering if anyone here would have some pointers as to common problems causing this please? I do have a multimeter and can follow along with most suggestions anyone might have.
I've plugged it in to a monitor and there is nothing. Neither the motherboard or keyboard led lights up. I've reseated all the socketed chips (it's a fully socketed '82 board) as well as removed all expansion cards to run the power on test. I've been told there could be a short on the board but even after a look at a couple schematics I'm at a loss as to where to even start.