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Philco 118 Shadow Meter and Resistor
08-16-2017, 09:14 AM
I am working on a Philco 118 and I can NOT find resistor 76 ( 2900 ohms in parallel with the shadow meter ). Is the resistor possible inside the shadow meter? What is the resistance of the shadow meter winding?
Best Wishes nv3g Oscar
08-16-2017, 10:19 AM
Don't think it's inside. The coil resistance (depending on the type sm) is somewhere around 800-1500 ohms. Have seen some sets that show a resistor on the diagram but none to be found on the chassis. It might be that the lower resistance coil may not require the resistor, it helps decrease the voltage drop across the coil and will not disable the set if the coil goes open.
Terry N3GTE When my pals were reading comic books I was down in the basement in my dad's workshop. Perusing his Sam's Photofoacts Vol 1-50 admiring the old set and trying to figure out what all those squiggly meant. Circa 1966 Now I think I've got it! Terry
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