I did that this weekend. New connector cost me ~ $15 AUD off an ebay store. Took me a bit longer than you but I was being super cautious having never opened a

I did that this weekend. New connector cost me ~ $15 AUD off an ebay store. Took me a bit longer than you but I was being super cautious having never opened a console before. Highly recommend for anyone else with a broken NES lying around. Good chance the 72pin connector is at fault.