Hello, I have some big problem with my HD100 when I was tray work with DR100 it not work look like no line in my DR100 so I tray to check Firewire with my pc , I play tape and contact with Firewire no pitcher on my pc but when I work with other camcorder work fine, any one know or have some problem , any help please ?

Looks like you need to go to service with your camera.