So I noticed that there's some interference on my video signal. After moving stuff around while it was on, I diagnosed that the source of the interference is my custom regulator coming too close to the video line. I used some shielded cable for the video line from an official Nintendo AV cable to try to prevent this.
I connected only one end of the shielding to ground (I'm still unsure if you're supposed to ground both ends.. Some say yes others say no because of ground loops or something, also I don't really have a place to ground the other end as the video line is connected to a switch to switching between internal/external AV and yes I could connect the ground on those cables together but it seems rather unsafe to have ground that close to other connections and 5v for the screen on the other end of the switch). Regardless, the shielding clearly isn't doing its job. What can I do to fix this?
I connected only one end of the shielding to ground (I'm still unsure if you're supposed to ground both ends.. Some say yes others say no because of ground loops or something, also I don't really have a place to ground the other end as the video line is connected to a switch to switching between internal/external AV and yes I could connect the ground on those cables together but it seems rather unsafe to have ground that close to other connections and 5v for the screen on the other end of the switch). Regardless, the shielding clearly isn't doing its job. What can I do to fix this?