Got a Sony STR-DN840 for 25 bucks at goodwill. However it can't connect to the internet. Is it worth trying to replace the network board? Am I missing anything by not having internet? : r/BudgetAudiophile
SONY STR-DN840 7.2 Channel 1050W AV Receiver 4K Bluetooth Wifi AirPlay 6 HDMI | Reverb
Sony STR-DN840 review: The best AV receiver value of the year - CNET
Amazon.com: Replacement Remote Control Compatible for Sony STR-DN840 RMAAU170 149205111 STR-DH540 STR-DH740 STR-DH550 Audio/Video AV Receiver Home Theater System : Electronics
Sony Receiver STR-DN840
Sony STR-DN840 Multi-Channel (7.2) AV Receiver, 6 HDMI, Bluetooth/ 4K/WiFi/#F32 | eBay