This should be fun (RCA TM-10 15GP22 monitor)

[Phil Nelson]

Working even more slowly than my usual snail's pace, I have begun replacing electrolytics & whatnot in the TM-10 monitor. In the service manual, someone penciled in a little modification to the power supply:

http://antiqueradio.org/art/RCA_TM-10_P-S_Mod.jpg

The mod would add two 7-ohm, 25-watt resistors in series with the selenium rectifiers, presumably to reduce surge on startup.

I'm debating whether to substitute something like CL-60 thermistors for the resistors. If you have an opinion on that, vote early and vote often.

I have begun an article about the restoration. Obviously, there will be much more to come.

http://antiqueradio.org/RCA_TM-10_15GP22_Monitor.htm

Regards,

Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html