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Phillips plasma 50 inch HDMI cable port being blocked by cable Cable company will not do anything. Cable box explorer 8300hdc It will run for a day or two then the cable port stops working.

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There are some ambiguities in the HDCP protocol (rights protection for HD).  When two devices use this one will send a message to the other, it then waits for a response, lastly it responds back.  This is the connection setup procedure.  The issue is that there wasn't a specified time limit that a device must wait before assuming the connection isn't working.  This can cause you to get an error message along the lines of "your tv doesn't support hdcp"  Unfortunately, there's not much that can be done about this.  I spent the better part of two weeks researching this issue with my own television and cable box.  I actually called the cable company and the contractor they use to link them to all of the relevant information but they still insist my tv has an issue.
On the other hand, if you're not getting a message like this you may need to clarify whether you are getting an error or if it's just completely blank.

Posted on Mar 04, 2009

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