Philco 620B Power Up Quirk

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Philco 620B Power Up Quirk

Bill Bacco
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Posts: 94
Threads: 9
Joined: Feb 2013
City: Monroeville, PA

11-25-2020, 01:48 PM

You need to work your way back through the various sections with an oscilloscope or a meter to see if you can determine where the change occurs. I would start with the Power supply voltages to see if you see a change there when the volume switches.

Bill

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Messages In This Thread

Philco 620B Power Up Quirk - by LarryFS - 11-25-2020, 01:25 PM

RE: Philco 620B Power Up Quirk - by morzh - 11-25-2020, 01:44 PM

RE: Philco 620B Power Up Quirk - by Bill Bacco - 11-25-2020, 01:48 PM

RE: Philco 620B Power Up Quirk - by LarryFS - 11-25-2020, 02:38 PM

RE: Philco 620B Power Up Quirk - by morzh - 11-25-2020, 03:01 PM

RE: Philco 620B Power Up Quirk - by LarryFS - 11-25-2020, 04:17 PM

RE: Philco 620B Power Up Quirk - by morzh - 11-25-2020, 05:00 PM

RE: Philco 620B Power Up Quirk - by radio1 - 11-26-2020, 09:24 PM

RE: Philco 620B Power Up Quirk - by LarryFS - 11-27-2020, 11:30 AM

RE: Philco 620B Power Up Quirk - by Scott D - 12-09-2020, 07:40 PM

RE: Philco 620B Power Up Quirk - by LarryFS - 12-09-2020, 08:57 PM

RE: Philco 620B Power Up Quirk - by 462ron - 12-10-2020, 09:45 AM

RE: Philco 620B Power Up Quirk - by LarryFS - 12-10-2020, 12:09 PM

RE: Philco 620B Power Up Quirk - by Scott D - 12-11-2020, 03:32 PM

RE: Philco 620B Power Up Quirk - by Phlogiston - 12-11-2020, 08:02 PM

RE: Philco 620B Power Up Quirk - by Arran - 12-11-2020, 11:33 PM

RE: Philco 620B Power Up Quirk - by Arran - 12-11-2020, 11:40 PM

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