http://antiqueradio.org/art/temp/RCA...torDiagram.jpg

Freakaftr8, if you send me a PM with your email address, I can email you the complete Sams. My library lets me download 'em for free.

Phil Nelson

Well I swear pictures are coming!! I have camera issues at the moment. I did however pull back the chassis tonight and found the little inrush limiter fried off and laying on top of the video amp
Electolytic shorted maybe? All fuses check good.

It's probably just old, and fell apart. Mouser should have a replacement.

Actually think I found a close match in an old PC power supply. It's operating current is 5 amps.
And ohms at 2.5
I did a conversion and seems to me max inrush would be 67amps. I have to be doing something wrong in my calculation cause that's impossible.
Part number is 2R55A

Would this work?

think I used a CL-90 there.

opps, taking that back, prob need something that can take more current.

I have the RCA manual, and also the Sams if you like I can send them. Here's a picture of the RCA factory schematic, and a close-up of the power supply. I doubt it will show good enough detail on the main schematic, but hopefully the power supply will get you started.

That's such a great feeling to pull the back off a set and see near-virginity!!!! It's so the opposite of finding a couple of missing, tubes, and wires unhooked from the FBT, and a cluster of tubular electrolytics taped to a failed can, etc etc...

I think that set might have selenium rectifiers, but I might be off on that. The schematic looks like regular silicon diodes, but I'm not sure if there was a different symbol for seleniums back then. If it does, I'd bet they're leaking and need to be replaced with B+ diodes (and an adjusted value B+ resistor to compensate for the higher efficiency & higher raw B+ from the diodes vs. the seleniums). If they're leaking, they'd overload the B+ resistor and/or blow the a fuse.

Charles

http://i104.photobucket.com/albums/m...th_CTC9sch.jpg

http://i104.photobucket.com/albums/m.../th_CTC9ps.jpg

My CTC-9 has RCA 'tophat' diodes, those would be silicon.

Yes my set has "tophat" silicons also. Looks like they are good too.

Shawn, I remember the thermistor/current limiter was bad on the CTC-16 combo you sold to me. The wire had broken loose from one side of it. I ended up finding a "good spot" on it where I could resolder the wire (actually I think I did that on both sides), and it has been good since then. Maybe you can try a similar fix on this CTC-9.

Hey Chris

Wish I could but this Puppy literally melted. Both sides are wasted and the disc itself is destroyed. It really went.

On another note I now have my camera issue fixed and will be posting up long awaited pics tomorrow. Sorry guys for the delay.

Well I ordered a thermistor from Moyers today. Did some research and found it to be an RCAFR291 or 107291. .49 ohm hot. When I get it im installing it and checking some esr readings on the power supply. Im wondering if I cad a can short to ground. As I remember the cans all felt cool to the touch except the first one closest to the back of the set. The bottom of that can felt mildly above room temperature. Think my best bet would be to recap the set while I got the chassis out, nd do some general cleaning. As I said before the set is extremely clean and hardly any signs of heavy use at all. But dust hinders the appearance. Also, luckfully it doesn't appear to be a smokers set either. I have a bunch of pics I am going to put up and a few of the melted down thermistor.

if it has a power resistor on the lugs or sit near a big sand resistor that will make them warm as well.

Weel I recieved the thermistor today. Keep your fingers crossed for me.

Hey guys,
Well after cleaning the remnants out of the chassis from the old inrush limiter, I carefully removed the rest of the leads from the terminal strip and installed the new one.

Success! She is up and running once again!
Here are some pics and the present state in which she sits.

http://i845.photobucket.com/albums/a...9/DSC02768.jpg

Some more of the chassis after the inrush limiter crumbled apart.
http://i845.photobucket.com/albums/a...9/DSC02767.jpg
http://i845.photobucket.com/albums/a...9/DSC02766.jpg
http://i845.photobucket.com/albums/a...9/DSC02765.jpg
http://i845.photobucket.com/albums/a...9/DSC02764.jpg
http://i845.photobucket.com/albums/a...9/DSC02763.jpg
http://i845.photobucket.com/albums/a...9/DSC02762.jpg
http://i845.photobucket.com/albums/a...9/DSC02761.jpg

BTW, does anyone know how to remove the safety glass? It's quite dirty behind there..
Thanks!