AFAIK, there is only one F1 fuse/resistor. (the blue one circled in the picture)
Test it with a meter. If it reads infinite ohms (open circuit), it's bad.
Replace it with a 1A <10ohm resistor, a regular 1A fuse, or a circuit breaker.
You could just short it out, but it will fry the whole Dreamcast if you draw too much current