AVS Forum Special Member
Join Date: Dec 2007
Location: Souvlaki Space Station
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I've never replaced the network board in a Panasonic, but I did own a 2010 Panasonic Plasma similar to yours (a G20) and had a similar issue after a couple years. I would press the "Viera Cast" button on the remote and get nothing. The screen would flash for a second like it was going to launch into the app page and then nothing. Since I never used the apps built into the TV much anyway, I never bothered to fix it.
If I recall correctly, no Panasonics came with a wi-fi adapter in 2010 and it was an optional accessory. the appropriate adapter was the DY-WL10. There's also a generic Netgear adapter that works with 2010 Panasonics that should be easier to find...the WNDA3100.
desktop Sonus faber Toy monitor| REL T Zero| Sony UDA1|Sony MDR-Z7|Audioquest Nighthawk|Audioquest Dragonfly Red
surround Monitor Audio Silver RX6, RX Centre, RX1|SVS SB-2000|Sony STR-ZA5000ES|Panasonic 60ZT60|Oppo 103D|Sonos Connect + Peachtree Audio DAC•iT
stereo Sonus faber Toy tower|Teac UD-501|Sony TA-A1ES|Sony SCD-777ES|Sony ST-SA50ES|Sony BDP-S1700ES|Sonos Connect|Furman Elite-15 PFi|Sony 43X800D