QUOTE
For the Westing House guy
LTV-27w HD 2006 here. I left my 360 on but turned the monitor off. When I came back to the room and powered on my hdtv the 360 was in screensaver mode. I pressed the guide button on my 360 controller and when it woke up the display was vertically scrambled lines.
After sweating bullets and powering off disconnecting and reconnecting testing, accessing the website at WestingHouse, I was dreading returning to bestbuy 60 miles away.
With my manual in hand I retried every menu option through, counting the the places as the Text was all but unreadable due to the vertical lines. Factory reset etc. all no good.
Then I turned off
power on plug memory powered off unplugged everything and reconnected once more.
This resolved the issue, though I have been afraid to turn on the memory / power on plug feature or leave the 360 running, and turning off the hdtv again.
Not sure what exactly happened but glad I didn't have to return to best buy.