JVC HM-DH40000U is shutting down?

[ziggy90127]

I hooked up the FireWire input, and the HD/digital circuitry works fine. Old DHVS tapes don't play back hardly at all, but a newly recorded section will almost play back fine. So I assume that the alignment is out of whack for some reason. In order to test the capacitors on the back of the motherboard I had to remove the tape transport. I won't do that again!