any video that shows me how to replace sd700 CCD? I saw some of your documents for fixing sd700, but I am not sure if I...

Old, I have troubles opening up the screws at those red arrows in the attached picture. It is too small and very very tight. My screwdriver may be too big and too weak for them. I believe I must open those screws and nearby cable connectors in order to change CCD. See if you have any ideas. Thanks...