I'm experiencing a very annoying problem with dead white pixel that's stuck on the center frame of the HPX-3100. Bright ext. scenes it's not obvious but when it's interior, you can see it. Tried ABB but it resurface after 4-5 hours of normal use. Is there any documentation on the process? I read somewhere that there exists for the HPX-2000. That should work because they're in the same class of 2/3" cam. I do not want to send it back to Panasonic because currently in production.