You need to replace all of the old paper and electrolytic capacitors if you expect the TV to work reliably. That is not rocket science, but if you have no experience working on electronics, I would not recommend a TV as a beginning project.
If you skim a couple of the TV restoration articles in this section, you'll get an idea what's generally needed to get an old TV working:
http://antiqueradio.org/restoration.htm
This article has advice on finding someone to restore your TV:
http://antiqueradio.org/howfix.htm
If you contact this Canadian vintage radio club, they may be able to help you find the schematic for your TV:
http://canadianvintageradio.com/
If you want to try restoring the TV yourself, I recommend practicing recapping on one or two simple tube radios from a thrift store or flea market. If those projects are successful, you might be better equipped to tackle a TV. The articles listed in this section will help you get started:
http://antiqueradio.org/begin.htm
Regards,
Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html