>> I have a JVC rear projection tv that I bought second hand a little over a
>> year ago.  It works fine except for the HDMI input.  When I plug it into
>> my cable box and switch to the digital input, it can't detect anything
>> (and says it's gonna turn off in 9 minutes if nothing is connected before
>> then
>> :)).  However, if I plug in my computer via a dvi/hdmi cable, the tv
>> still
>> doesn't detect a connection, but the computer recognizes the tv for the
>> model number that it is.  There is no setting in the tv that can affect
>> the input, from what I can find (and I went over all the menus multiple
>> times).

>> Any ideas on what might be causing this?  If it's an electrical problem,
>> is it worth my time to get an electronic technician to fix it?

>> Jordan

> Does the output of the cable box match the resolution capabilities of the
> tv? If the box is set to 1080p and the tv won't do over 1080i then it may
> give you these symptoms. This is probably not the case but was worth
> mentioning.