This is the image from the projector in Brickyard's large secret room:
This was on the screen at the same time but is a separate prop for some reason:
From the small TV screen in the room:
Edit: More stuffs.
The plug for the Passtime TV is a separate, dynamic entity. It's sparking in the map, and probably has to be plugged in somehow.
Here's a better look at that TV guide on the table:
It looks like poor Merasmus just wants to watch some Passtime on his TV, but can't get it working.
Points of interet: x5 candles?, the number 200, a crossed-out plug, "SportsCasters Quarterly"
Edit 2: "ent_fire plug" plugs in the plug.
Edit edit edit: Welp, looks like someone figured out how to get into the room.