Sync problem during capture

Hello, if anyone can solve this for me I owe them a large beer.
I have FCE 3.0 which has been working fine for the past year, but recently every tape i capture has serious audio sync problems. initally i thought it was the camera, but i have 2 and the problem occurred from both, then i thought it was the tape so i tried various tapes including ones that had previously worked, but the problem persisted. Then i thought it might be the cable, but the tapes import fine into i-movie, so it can't be that. I checked the capture settings - has always been and still is 48 pal - i've always use the same cameras (canon xm2s).
The problem is that the video freezes every 31 seconds for about 28 frames, but the audio doesn't, so that you get a sync problem that increases as the clip progresses. you can see the video actually freezing in the capture window, although it plays back fine in the camera (and in i-movie).
This is killing me as it is simply impossible to edit as the sync problem is not constant so its not just a matter of doing the math & moving the audio.
I've spent about 5 hours today trouble shooting this & trawling through user forums to find some help and after reading an article on this site (http://docs.info.apple.com/article.html?artnum=305284) have ordered an upgrade to FCE 3.5, but am not convinced.
Has anyone any similar experiences / advice / good contacts for tech support?
Any help greatly appreciated.
i mean it about the beer!
Cheers,
Murray
g5 os 10.4.9 Mac OS X (10.4.9)

Hello fellow Tyke and welcome to the discussions. Try Ian's suggestion here. (He's from the wrong side of the Pennines, but we'll let him off)
http://discussions.apple.com/thread.jspa?messageID=4523275&#4523275

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Message was edited by: Keith R Thompson

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!UPDATE!
I made several adjustments to my sync options and made some progress and am now trying to sync in 'stages' as I like to think of them.
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Using different camera's, different tapes, different firewire cables. I've uninstalled and reinstalled FC EX HD and Quicktime. I tried turning off my external drives and using the internal drive to capture to and created a FC project within the internal drive. I have plenty of space on all drives.
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maybe you switch off the warn dropped frames during
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Message was edited by: Ronald Dans1

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No video Preview During Capture

Here is the scoop:
Adobe Premeire CS5
Windows 7 64bit
Canon XL2
Capturing DV NOT HDV
Canon standard device control as there is no preset listed for the XL2
Video and audio actually captures fine. I can hear audio during capture but cannot see any video.
I know there is no video preview when capturing HDV but I am capturing DV.
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FIXED!
Heres how it went:
Went to Device Manager and let windows look for an updated driver for my Graphics Card (Radeon HD 4200). Windows said the most current driver was installed. It was NOT the most current driver. I went out to ATI and got the most current driver, installed, reboot and OH JOY! I get video in the capture window during preview AND during capture (of DV)!
I also let windows (device manager) look for updated drivers for sound and it said the driver was the most current. Again, it was not. so the moral of the story is...Don't trust Device Manager on current driver versions.
Hope this will help some folks out there.
Side Note*
Most of us spend hours on forums looking for answers/fixes to particular problems. Most replies I see are either in the vein of "I have that problem too" or " try this, it worked in this OTHER version or try this OTHER software" etc. If you dont have an answer/fix for the problem, dont post.
ON the flip side of that, when posting a problem you want an answer to, Give all the pertinent information in your initial question. " Premiere crashes when I plug up my camera" does NOT suffice! What version of Premiere, what camera, what OS, What kind of connection, etc.

Sync problem during capture

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