Things You'll Need
Instructions
Basic NES with RCA jacks
Plug the RCA cables into their corresponding-colored jacks on the side of the NES. One will be a "video out" and the other will be a "sound out."
Plug the other end of the RCA cable into the corresponding jacks on your TV. Note that most TVs have two audio inputs. One will remain unused.
Set your TV channel to "aux" or "input" and power up your NES. The game image should be visible.
NES with RF adapter, for older TVs without RCA jacks
Unplug antenna/cable/VCR or anything else that may be plugged into the antenna socket on the TV.
Plug the antenna/cable/VCR into the corresponding socket on the RF adapter. Plug the RF adapters output into the antenna input on the TV
Plug the RF adapter into the RF out socket on the back of the NES system. Set the RF adapter to channel 3.
Turn your TV on and change the channel to channel 3 and turn on your NES. Your game image should be visible.
For top loading NES system and newer TV's without coaxle inputs
Plug the NES coaxle output into the coaxle input of an old VCR.
Plug and RCA cable into the RCA outputs on the VCR.
Plug the RCA cable into the corresponding inputs on the TV and turn the TV to its "input" or "auxiliary" channel. Your game image should be visible.