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Philco Farm Radio 38 123
Radioroslyn
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Posts: 7,294
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City: Roslyn Pa
#3

02-21-2019, 11:26 AM
For starters I would measure the voltage @ pin 2 and then pin 5 of the 19 W/the meter - connected to the chassis. Should see abt 135vdc. Measure the dc voltage @ pin 2 of the 30 tube, should see abt 135vdc. Check dc voltage @ pins 3 and 4 to chassis of the 19 tube, should see -3v. And pin 3 of the 30 tube should be -7vdc. If any of these voltage are very low or nonexistence then check the resistance of the associated transformer. All winding should be <1000 ohms.
This is presuming that the power supply is working/ connected properly.
Happy hunting!
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry
(This post was last modified: 02-21-2019, 11:26 AM by Radioroslyn.)
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Messages In This Thread
Philco Farm Radio 38 123 - by RCFlyer - 02-21-2019, 01:42 AM
RE: Philco Farm Radio 38 123 - by Radioroslyn - 02-21-2019, 11:26 AM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-21-2019, 06:27 PM
RE: Philco Farm Radio 38 123 - by Radioroslyn - 02-21-2019, 07:47 PM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-22-2019, 11:29 PM
RE: Philco Farm Radio 38 123 - by 35Z5 - 02-23-2019, 12:37 AM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-23-2019, 12:53 AM
RE: Philco Farm Radio 38 123 - by Radioroslyn - 02-23-2019, 01:56 AM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-23-2019, 02:24 AM
RE: Philco Farm Radio 38 123 - by Stall-U-Rated - 02-23-2019, 02:44 AM
RE: Philco Farm Radio 38 123 - by Arran - 02-23-2019, 05:48 AM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-24-2019, 12:31 AM
RE: Philco Farm Radio 38 123 - by Radioroslyn - 02-24-2019, 01:18 AM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-25-2019, 12:40 AM
RE: Philco Farm Radio 38 123 - by Radioroslyn - 02-26-2019, 12:00 AM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-28-2019, 01:47 AM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-28-2019, 02:01 AM
RE: Philco Farm Radio 38 123 - by Radioroslyn - 02-28-2019, 11:13 AM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-28-2019, 03:30 PM
RE: Philco Farm Radio 38 123 - by Radioroslyn - 02-28-2019, 09:40 PM
RE: Philco Farm Radio 38 123 - by RCFlyer - 02-28-2019, 10:04 PM
RE: Philco Farm Radio 38 123 - by Stall-U-Rated - 03-01-2019, 12:23 AM
RE: Philco Farm Radio 38 123 - by RCFlyer - 03-01-2019, 03:02 PM



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