HDMI not working, is this Panasonic chip the problem? Is fixable? : r/wiiu
Troubleshooting Questions for Television Sound problems - Panasonic North America
Troubleshooting - Not able to select one of the Video Input modes on a television when pressing the INPUT (TV/Video) button (i.e. the set skips over Component 2) - Panasonic North America
How to turn on HDMI Control on the TV. - Panasonic North America
Panasonic TV No Sound (Digital Optical) - How to FIX? - YouTube
SOLVED: Both HDMI inputs no longer working - Television - iFixit