Hello, I am hoping this would be a good thread to get some help with my Panasonic Viera TC-P55ST50 television that gave me the 7 blink code yesterday.

I took the back panel off, and tested the resistance on the connector pins of the SU and SD board following this video: https://www.youtube.com/watch?v=_oX8hMcXjWg

And found that the SD board had multiple pins shorted out on two connectors. I ordered a new SD board (part # TXNSD1REUU), but I want to check if the SC board is bad as well. I tried to find a service or troubleshooting manual that may go over this process...