42-1012 Tone control - Printable Version

+- The PHILCO Phorum (https://philcoradio.com/phorum)
+-- Forum: Philco Radio Discussions (https://philcoradio.com/phorum/forumdisplay.php?fid=5)
+--- Forum: Philco Electronic Restoration (https://philcoradio.com/phorum/forumdisplay.php?fid=8)
+--- Thread: 42-1012 Tone control (/showthread.php?tid=11993)

---

42-1012 Tone control - vecher - 04-02-2015

Picture of Part

[Image: http://i292.photobucket.com/albums/mm38/wb4yvo/philco%201%20016_zpsrdxdqbs0.jpg]

According to schematic the center contact on this pot should go to ground. But it never did. Did philco goof? this could never work as tone control it Part # 67 Tone control ( Audio base)

Thanks

Skip...

---

RE: 42-1012 Tone control - Radioroslyn - 04-03-2015

Measure the wiper to gnd with an ohm meter. It may have an internal gnd connection. If not gnd it.
Terry

---

RE: 42-1012 Tone control - morzh - 04-03-2015

Yes, it is usually connected without being soldered.

---

RE: 42-1012 Tone control - vecher - 04-03-2015

Yup center is grounded.. Thanks never seen a pot that the center was grounded internal.

Thanks
Skip...

---

RE: 42-1012 Tone control - morzh - 04-03-2015

Sometimes it is a ring riveted to the middle pin (or soldered) that goes around the shaft so when mounted it provides the grounding.

---