Hdmi does not work

I am trying to hook up a logitech revue unit to my hitachi hdtv. It requires an hdmi input. When we first got fios, (qip 6200 p2 stb), no amount of fiddling with cables, settings and what not got hdmi to work. After much frustration, etc. said to hell with it and went with component output. Worked fine. Now I need hdmi. TV keeps saying "no video signal. " Tried all three hdmi tv ports and tried all tv input option settings. No go. It did come on intermittently , but only after an un-acceptable delay. Yes! I did disconnect the component outputs before trying the HDMI. have rebooted and resetted the world to no avail. According to the various forums, this Motorola hdmi fiasco has been ongoing for almost three years. I want a fix, ASAP. Or at least a reliable date for a fix. BTW I am an EE+ computer science engineer. I've tried the entire customer service 101 stuff so please don't tell me to change my cables.
Boris {edited for privacy}

As I said in my posting, I am a professional. I would not have bought the unit had I not seen the logitech listing of compatible STB. Also, be assured that I have hooked it up correctly. There does not appear to be any way to do it wrong.
1. STB hdmi OUT to Revue hdmi IN
2. Revue HDMI OUT to TV HDMI IN Tried all three ports. NO Go.
How pray tell could I have screwed that up?
Read my post please. Went through the cable **bleep**
Revue HDMI out to TV works okay I get a signal and can start the initialization procedure. I have a wifi problem which
I may fix by opting ethernet if high gain antenna does not fix. As I said, I am a professional..i have read thoroughly the Actiontec (router), logitech and Verizon Forums. This STB misbehavior is endemic to to the benighted Motorola STB and has been endemic from the start. Obviously, Logitec testing of the Motorola STB was inadequate. My original question
stands, since the MOtorola STB does not work on HDMI. Please confine your reply to a substantive response to my question.
1. When will the Verizon STB be made to provide fully functional HDMI outputs.
if not that,
2. When will Verizon provide a fully functional STB?
BorisBeizer
MSEE ( Uof P 1963) PhD Computer science (ditto, 1967).

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