gofar99 Messages: 1903 Registered: May 2010 Location: Southern Arizona
Illuminati (5th Degree)
Hi Wayne, The radio is very vintage (ca 1931). Coupling caps are about the size of postage stamps and look like sandwiches. Resistors are rectangular and look a lot like fuse links for cars. The two tubes are type 227. One is an original RCA mesh plate. It appears to use a TRF stage feeding a regenerative detector. It is transformer powered. That leads to the problem. It seems that all power supply components are inside a block of black hard plastic stuff and that is inside a metal enclosure welded to the chassis. Completely un-serviceable. Considering the state of the wires and general condition there is virtually no chance the PS is any good. I can probably trace out the rest of the circuitry as I replace the wiring. Any thoughts are welcome.
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