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SHADOW METER ADJUSTMENT
37-670
Junior Member
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Posts: 19
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Joined: Mar 2010
City: Sheridan, Wyoming
#1

10-21-2010, 12:11 AM
According to a photocopy of the owner's manual I have for my 37-670, the shadow meter supposedly is user adjustable. The only thing I can see that could possibly be adjusted is a knurled plastic piece that also serves as the back of the coil, in front of the lamp assembly. This does not move with gentle pressure and I am afraid to exert force in case I'm barking up the wrong tree here. Can anyone help?
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Ron Ramirez
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Posts: 13,776
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City: Ferdinand State, Province, Country: Indiana
#2

10-21-2010, 07:19 AM
Yes, that is the actual coil, and it can be moved. It may be stuck after decades of not being moved, so proceed carefully.

Details here:
http://www.philcorepairbench.com/tips/svctip01.htm
--
Ron Ramirez
Ferdinand IN
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37-670
Junior Member
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Posts: 19
Threads: 4
Joined: Mar 2010
City: Sheridan, Wyoming
#3

10-21-2010, 09:48 AM
Thanks,Ron! I started to gently rock the coil back and forth, and sure enough it moved -- albeit very stiffly. When I eventually get the radio together and back in the cabinet I'll be able to adjust the shadow -- assuming the coil isn't open.
I really appreciate the help.
Eric Strasen
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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration