Audio sync problem with sony video walkman input

i purchased a sony video walkman to ingest mini dv into fce1, using a 1ghz g4 imac with os 10.3.9. 256mb of ram. i made the purchase to overcome the same sync problem i had when ingesting long clips directly from a canon xl-1.
i'm connected with firewire. audio is 16 bit (shot on an xl-1) and i've checked and rechecked the preferences and other relevant settings.
i'm buffaloed at this point: how can i capture longer clips without a loss of sync?
could the problem still be related to having shot the material on an xl-1? could it be related to only having 256mb of ram?
imac g4 1ghz 256mb   Mac OS X (10.3.9)  

yes, i have...i've also deleted fce preferences files as well. i'm wondering if reinstalling the program will help this situation?
imac g4 1ghz 256mb   Mac OS X (10.3.9)  

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