I recently set up my Home Theatre room, had professionals run cables and set it all up and then the day after I finished repairing the walls the system stopped passing 1080P signals. Bad luck or what!
I've a Playstation / Nintendo Wii / HTPC > Pioneer VSX- 51 receiver > 30ft HDMI & Ethernet cable > JVC RS20 projector.
For a full week I watched movies and put up at least 30 hours without issue. Then the morning after the drywaller finished replacing the crown mouldings I had no signal on the screen. After much experimentation i worked out that setting either the receiver or the HTPC to output 720P and 1080I result in a clean signal. Setting 1080P results in either no signal (90% of time), heavily flickering signal with screen tearing or else very fine blue interference lines scrolling up the screen. Playstation (1080P) cuts in and out. Wii (480P) works fine.
My first thought was that the drywaller stuck a nail through the cable, so i went out and got a new 25ft cable to test and the signal works perfectly. This means that the cable has to be the problem, but question is what is the problem.
Got on to Monoprice technical support and the guy there maintains that its impossible to damage a cable enough that it wont run 1080P but will still pass 1080i. He says it either works 100% or it works 0%. He suggested adding a HDMI extender, which would have to go at the beginning of the same cable rather than in the middle of a run.The cable is a Key Digital HDRJ30 Standard 26AWG
(Edited as originally said 28AWG) http://www.keydigital.com/items.asp?...30&Company=KEY
I'm thinking that 30ft is not a crazy length. Could this just be a bad quality cable from the supplier or is the Gauge of 26AWG to low when they should have used a 22 AWG one? I noticed on the Monoprice site that all the long cables are rated for 1080i rather than P and they say anything over 25ft should be 22AWG.
The tech was also at a loss to explain how it could work one day and not the next.
I can pull the cable from the wall and rerun 22AWG, but i'm thinking that is going to be difficult to pull through the walls and is it necessary?
Does anyone have any experience of this or any options
Any suggestions appreciated..