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Model 70 BC Resistor
whitmire
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#1

01-03-2011, 01:33 PM
I'm new to the phorum and have a question concerning a Philco Model 70 (serial #< 22,000) I am restoring. The BC resistor has two sections which have buned out. The transformer tests OK, but I am replacing the electrolytics. According to the Philco Repair Bench site, the values of the part I have (# 5125) are 240, 70, 2300 and 1060 ohms respectively. Although, the schematic I have indicates the first value at 180 ohms. In any event, I have been unable to locate another BC resistor 5125 and need to come up with a suitable substitute for the 240 (180) and 1060 ohm sections of the resistor. Any advice concerning replacement parts would be most appreciated. Regards, Thom.
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Radioroslyn
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Posts: 7,294
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City: Roslyn Pa
#2

01-03-2011, 03:43 PM
keep your eyes open for 1K and 200ohm @ 10w
Should be easy to find.
Terry
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!

Terry
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whitmire
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#3

01-04-2011, 01:32 PM
Thanks for the quick reply, Terry. I noticed someone on another forum had used a 50 watt resistor. Seemed excessive. Regards, Thom
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