Philco 70 volume issue - Printable Version

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+--- Thread: Philco 70 volume issue (/showthread.php?tid=17931)

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RE: Philco 70 volume issue - Ron Ramirez - 02-11-2018

Link to schematic:
http://www.philcoradio.com/images/phorum/schem/70a.jpg

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RE: Philco 70 volume issue - morzh - 02-11-2018

Ok, in this one it is #37.

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RE: Philco 70 volume issue - Radiowilbur - 02-11-2018

The big wirewound resistor checks out.

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RE: Philco 70 volume issue - Radioroslyn - 02-11-2018

So what did the result of post 10 turn out??

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RE: Philco 70 volume issue - Radiowilbur - 02-11-2018

Radio off, volume at max, I read about 10 ohms from antenna clip to chassis......

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RE: Philco 70 volume issue - Radiowilbur - 02-11-2018

....My socket voltages are close, except for the 2nd Detector. My plate voltage and screen grid voltages are about double what the printout states.

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RE: Philco 70 volume issue - Radioroslyn - 02-11-2018

Well sounds like the ant coil is ok. As for the hv on the detector tube could be a high cathode resistor #24  51k or a weak 24A tube in that circuit.

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