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Philco Model 20 Troubleshooting
Ron Ramirez
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Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#2

01-11-2013, 04:52 PM
My first suspect would be a bad RF coil, and I would look first at (7) or (10).

http://www.philcoradio.com/tech/images/20b.jpg

If you have access to a multimeter, measure the voltage between the plate and ground of the first two 24 RF amp tubes. I would bet one - or even both - have no plate voltage due to a defective coil or coils.
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Ron Ramirez
Ferdinand IN
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Messages In This Thread
Philco Model 20 Troubleshooting - by mgambuzza - 01-11-2013, 04:16 PM
RE: Philco Model 20 Troubleshooting - by Ron Ramirez - 01-11-2013, 04:52 PM
RE: Philco Model 20 Troubleshooting - by Arran - 02-06-2013, 11:51 PM



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