AVS Special Member
Join Date: Mar 2001
Location: Newport Beach, CA, USA
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I've never seen this happen on my machines. I would be more suspicious of the DST51 than the HD1000, only because I've seen a similar problem with audio, where a DVHS tape will have no sound when played on one STB but perfect sound on another. Sorry I can't be more specific. It's an area I'm investigating because because a friend of mine has a STB that works with some tapes but not others, but I don't have answers yet.
I think I would try the "reseating" routine I described a while back on this forum.
No guarantees since I've never seen this before.