Joel Was Right
If you smell burning, it's probably the generators acting up. Report it anyway.
Backstory
I've been using my Sony Bravia KDL32D00 for a couple of years now, and have been connecting it to my 360 via HDMI. I never experimented or used the HDMI port(s) on my TV for anything else, other than a week ago when I connected it to my PC. I experimented with the resolutions because the desktop image would be cropped on the TV. However, I encountered no problems and was still able to play the console via HDMI.
Then recently, when trying to connect my 360, it wouldn't display image or audio - it would just be a blank screen. So I changed to another HDMI cable and that seemed to resolve it. Days later, however, the problem would reappear. I tried another cable but this failed. I then tried yet a third, and this also failed. I even attempted to navigate to the Display menu on the dashboard without seeing picture (used Component and then wrote down the button order). When I got there, I would get a message from the TV reading "Unsupported signal".
TV problem! Or so I thought.
I then tried my brother's 360 (let's called it 360-X) with its own HDMI cable and this also failed until I tried to insert it into another HDMI port on the TV. This worked so I then went back to my own console and tried it in this port, but it didn't work. Same problem. Googling this problem shows its almost exclusively affecting Sony Bravia sets.
So, my Xbox 360 is the problem then. Right?
I take it downstairs to plug it into the living room tv (LG) via HDMI. Works perfectly. I take it to another TV, and it doesn't work. I try another cable (the cable that I already once used on my own TV) and it works perfectly.
So cable problem?
I used the cables that worked with that 360-X on my TV, and connected it to my own 360 but this failed 90% of the times. Then something strange began to happen. Just moments before, I went back to my PC, and connected it to my television. Went to NVDIA control panel and a saw the list of resolutions. I can't recall which ones I used in my original attempts to use the TV as a second monitor, but I selected the 1366x768 resolution which is what my TV natively does. I turned my 360 on and I saw the screen, but in green hinge. Surprisingly, it recognised it as a DVI cable and also listed different resolutions all the way to 1920x1080. I've never seen this list outside the NVDIA control panel. At this point, note I disconnected my TV from the PC. I had a hunch. I connected the HDMI cable from my 360 to another HDMI port on my TV. This time it was a purple hinge.
I gave up on my console and brought in 360-X in (that works on every TV). This time, I went to the Display Settings and it again showed a list I hadn't seen before, but not as long as the previous one I just saw. This one stopped at 1360x768.
I've ordered another HDMI cable to try my luck with that, but I don't know what else to do. I don't know if the problem is my own TV, the console or the cables I've used. There has been a phase where each has been to blame, but I can't rule any of them out because what works under one set of conditions doesn't in another. I have my suspicion that it has something to do with me going to NVDIA control panel last week, but essentially my console and TV do not want to talk to each other via HDMI. They will talk to another TV/console.
Any suggestions?
I've been using my Sony Bravia KDL32D00 for a couple of years now, and have been connecting it to my 360 via HDMI. I never experimented or used the HDMI port(s) on my TV for anything else, other than a week ago when I connected it to my PC. I experimented with the resolutions because the desktop image would be cropped on the TV. However, I encountered no problems and was still able to play the console via HDMI.
Then recently, when trying to connect my 360, it wouldn't display image or audio - it would just be a blank screen. So I changed to another HDMI cable and that seemed to resolve it. Days later, however, the problem would reappear. I tried another cable but this failed. I then tried yet a third, and this also failed. I even attempted to navigate to the Display menu on the dashboard without seeing picture (used Component and then wrote down the button order). When I got there, I would get a message from the TV reading "Unsupported signal".
TV problem! Or so I thought.
I then tried my brother's 360 (let's called it 360-X) with its own HDMI cable and this also failed until I tried to insert it into another HDMI port on the TV. This worked so I then went back to my own console and tried it in this port, but it didn't work. Same problem. Googling this problem shows its almost exclusively affecting Sony Bravia sets.
So, my Xbox 360 is the problem then. Right?
I take it downstairs to plug it into the living room tv (LG) via HDMI. Works perfectly. I take it to another TV, and it doesn't work. I try another cable (the cable that I already once used on my own TV) and it works perfectly.
So cable problem?
I used the cables that worked with that 360-X on my TV, and connected it to my own 360 but this failed 90% of the times. Then something strange began to happen. Just moments before, I went back to my PC, and connected it to my television. Went to NVDIA control panel and a saw the list of resolutions. I can't recall which ones I used in my original attempts to use the TV as a second monitor, but I selected the 1366x768 resolution which is what my TV natively does. I turned my 360 on and I saw the screen, but in green hinge. Surprisingly, it recognised it as a DVI cable and also listed different resolutions all the way to 1920x1080. I've never seen this list outside the NVDIA control panel. At this point, note I disconnected my TV from the PC. I had a hunch. I connected the HDMI cable from my 360 to another HDMI port on my TV. This time it was a purple hinge.
I gave up on my console and brought in 360-X in (that works on every TV). This time, I went to the Display Settings and it again showed a list I hadn't seen before, but not as long as the previous one I just saw. This one stopped at 1360x768.
I've ordered another HDMI cable to try my luck with that, but I don't know what else to do. I don't know if the problem is my own TV, the console or the cables I've used. There has been a phase where each has been to blame, but I can't rule any of them out because what works under one set of conditions doesn't in another. I have my suspicion that it has something to do with me going to NVDIA control panel last week, but essentially my console and TV do not want to talk to each other via HDMI. They will talk to another TV/console.
Any suggestions?