Huge magnavox Combo roundie Warren MI

[Charlie]

http://www.samswebsite.com/photofact/pf_search.asp

[Kalamazoo-DJ]

When I looked up the chassis 4251 I came up with 9 RCA options

[Phil Nelson]

I would second Charlie's advice to hold off until you get the Sams service manual. Poking around in the dark and powering it up a lot is not the best idea at this stage.

In the meantime, you can clean off the dust & grime and brush up on your schematic reading and soldering skills.

It's usually prudent to replace all electrolytic capacitors. This article has basic advice about recapping.

http://antiqueradio.org/recap.htm

Here's what a dead thermistor looked like in my RCA CTC-11A.



A disc roughly the diameter of your thumb, with two metal leads. I replaced it with a new type CL-90. There may be other types I'm not aware of.

Phil