This happens when just previewing the my sequence. Not when importing from tape.
Can you please provide the versions of software you are using for FCP, Mac OS X, QuickTime and DeckLink drivers?
FCP 5.02
Max OSX 10.3.9
3.5 GB DDR SDRam
Dual 2Ghz G5
QT 7
530 GB Raid
The Easy Setup is as follows:
Sequence: AJA Video Kona SD NTSC 10 Bit
Capture: Same
Device Control: Keyspan 29.92 NTSC RS-422
Playback Output Video: Blackmagic NTSC 10 Bit 720×486
Audio: Blackmagic Audio