> With the 2A fuse near the motor currently blown, I tried plugging in with
Well, that fuse must have been carrying current in order to blow. And yet
something happens without it in place?
I think you need to check the wiring very carefully. And check for shorts
or leakage to ground.
> the switch in the Off position, just trying to see what's going on with the
> PSU. To my surprise, the motor started buzzing as though there were a fuse
> in. But there's nothing?! Something's messed up here.
Are you sure it's the motor that's buzzing?
Pull out plug 4 from the back of the control unit (this is one of the 15 pin
molex plugs, I think it is in the top row at the end nearest the mechanism)
Does the motor still buzz?
> I might just swallow hard and buy the darned books. I hate trying to read
> on my ipad or computer.
Can't you print out the sections you need?