Things could be coming up but the CRT may be a little too dim to tell what's going on. Did you try this set in a dark room or turn off the lights?
Reguardless, you have some initial troubleshooting to do so try to resist the temptation of any more power ups before checking it out.
As for information, find the model and/or the chassis numbers and with an index book we can find what the Howard Sams Photofact schematic is for it.
Your girlfriend must not understand the addictive effects that come with TV collecting....
