I have had a look at the earlier thread but all that I did then was to suggest appropriate IP addressing. Again with the new TV, any unused address in the range 192.168.0.1 to 192.168.0.254 should be suitable, but I'd suggest using a different IP address from that used with the earlier TV. Try...
IP address - 192.168.0.8
Subnet Mask - 255.255.255.0
Default Gateway - 192.168.0.1 (the router's IP address)
DNS Server - 192.168.0.1 (the router's IP address)