38-690 volume control

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38-690 volume control

etech
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Posts: 237
Threads: 24
Joined: Dec 2007
City: Gladwin, MI

12-08-2015, 06:11 PM

(12-07-2015, 10:13 PM)Chuck Schwark Wrote: Looking for the values of the dual-pot volume control on the Model 38-690.

All Philco service bulletins and 1937-40 Philco parts catalogs do not show the resistances
of the two sections. Only the Philco part number: 33-5240.

Seems Philco never published parts values in their 38-690 service bulletin.

Any help appreciated,

Chuck

Hi Chuck,

While the parts list does not show the values, they are printed on the schematic as part #75 at 500K and part #76 at 100K.

BTW, keep up the good work. I have your data package for my 38-690 code 125 and it has been invaluable.

Thanks again!

Ed

(This post was last modified: 12-08-2015, 06:16 PM by etech.)

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