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42-1008 code 121
#22

THe simple way to check the voltages at the transformer is to measure the plate pin of the output tube (on the 41's it's pin 2) So measure the voltage from pin 2 to the chassis. On both tubes should see abt 250vdc. Then measure the voltage on the screen grids (pin 3) should see about the same. One of the screen grids is going to be a bit lower in voltage as it has a 3,000 ohm resistor in series with the hv source.

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


Messages In This Thread
42-1008 code 121 - by rperry - 01-12-2019, 09:01 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-12-2019, 09:21 PM
RE: 42-1008 code 121 - by rperry - 01-12-2019, 09:44 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-12-2019, 10:08 PM
RE: 42-1008 code 121 - by rperry - 01-12-2019, 10:13 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-12-2019, 10:28 PM
RE: 42-1008 code 121 - by rperry - 01-12-2019, 10:59 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-12-2019, 11:19 PM
RE: 42-1008 code 121 - by rperry - 01-12-2019, 11:40 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-13-2019, 12:24 AM
RE: 42-1008 code 121 - by rperry - 01-13-2019, 06:07 PM
RE: 42-1008 code 121 - by rperry - 01-13-2019, 06:11 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-13-2019, 06:15 PM
RE: 42-1008 code 121 - by rperry - 01-13-2019, 06:44 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-13-2019, 06:51 PM
RE: 42-1008 code 121 - by rperry - 01-13-2019, 07:03 PM
RE: 42-1008 code 121 - by rperry - 01-13-2019, 07:15 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-13-2019, 07:19 PM
RE: 42-1008 code 121 - by rperry - 01-13-2019, 07:29 PM
RE: 42-1008 code 121 - by rperry - 01-13-2019, 07:51 PM
RE: 42-1008 code 121 - by rperry - 01-14-2019, 12:25 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-14-2019, 01:36 PM
RE: 42-1008 code 121 - by rperry - 01-14-2019, 02:35 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-14-2019, 04:36 PM
RE: 42-1008 code 121 - by rperry - 01-14-2019, 05:21 PM
RE: 42-1008 code 121 - by Radioroslyn - 01-14-2019, 05:25 PM
RE: 42-1008 code 121 - by rperry - 01-15-2019, 09:04 PM
RE: 42-1008 code 121 - by rperry - 01-18-2019, 06:09 PM
RE: 42-1008 code 121 - by rperry - 01-20-2019, 11:24 PM



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