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Philco 90 restoration
09-18-2013, 08:37 AM
Thanks to Chuck S. I got the service literature for the 90 yesterday. Today, I finished the recap and changed all out of tolerance resistors, save one, a 240K ~3 watt. I don't have any of those in my current inventory. I found some doozies, too. Out of the three 240K resistors in the audio circuit, two were well over 700K, one was virtually open. The two 490K resistors in the detector circuit were both well over 4M!
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Messages In This Thread
Philco 90 restoration - by BrendaAnnD - 09-18-2013, 08:37 AM
RE: Philco 90 restoration - by Chuck Schwark - 09-18-2013, 08:52 AM
RE: Philco 90 restoration - by codefox1 - 09-18-2013, 12:56 PM
RE: Philco 90 restoration - by morzh - 09-18-2013, 02:31 PM
RE: Philco 90 restoration - by Radioroslyn - 09-18-2013, 05:21 PM
RE: Philco 90 restoration - by BrendaAnnD - 09-19-2013, 12:13 AM
RE: Philco 90 restoration - by morzh - 09-19-2013, 08:54 AM
RE: Philco 90 restoration - by BrendaAnnD - 09-19-2013, 03:00 PM
RE: Philco 90 restoration - by morzh - 09-19-2013, 06:53 PM
RE: Philco 90 restoration - by marty - 09-19-2013, 07:15 PM
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