I have a T777 that had the video card fail. Had it replaced and it's working fine, maybe spent $300 with parts???? Don't remember. My motivation to repair was the amp stage. The T777 is an A/B amp and the new ones are class D. I think there is demand for the A/B amps which are becoming more of a rarity these days for AVRs. Cheers.
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soix wrong with Nad the t777 can have a new 4k video card as well as a new audio card installed Nad's mdc design means zero obsolesce
https://nadelectronics.com/product/vm300-4k-video-module/ https://nadelectronics.com/product/am-230-dolby-atmos-mdc-module/
soix only nad creates totally upgradable surround sound receivers. Daveand Troy audio Intellect NJ nad dealers
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