You'd think so, but they kept the CRTs for an oddly long time. I think they were still using them well into the 2000s. I guess a lot of the SGC budget goes into turning the lights on.
This is a collage of on set photos after the set dressing team have gotten the space ready. Photos are referred to when a scene is being set up to mitigate continuity errors between set ups (e.g. if the set is being used over a number of days or if a finished scene needs to be reset for pick up shots).