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Philco model 77
#7

Ok  Lets try measuring the voltages at pin 2 of each 45 tubes to the chassis. Should see about 250v or so. Next pin 3 on each 45 tube to the chassis. Should see about -45vdc. Then pin 2 of the 27 tube to chassis. Should see about 150vdc. So what you got?????? 3k seems a bit high across the opt would think it would be about 1k or a bit less. The plate voltage will tell the tale.

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
Philco model 77 - by flatheadjr - 09-14-2016, 10:24 PM
RE: Philco model 77 - by flatheadjr - 09-14-2016, 10:25 PM
RE: Philco model 77 - by Arran - 09-16-2016, 03:17 AM
RE: Philco model 77 - by flatheadjr - 09-16-2016, 09:52 PM
RE: Philco model 77 - by Arran - 09-17-2016, 03:50 AM
RE: Philco model 77 - by flatheadjr - 09-17-2016, 08:25 PM
RE: Philco model 77 - by Radioroslyn - 09-17-2016, 09:21 PM
RE: Philco model 77 - by flatheadjr - 09-17-2016, 09:38 PM
RE: Philco model 77 - by Radioroslyn - 09-18-2016, 12:08 AM
RE: Philco model 77 - by flatheadjr - 09-18-2016, 12:47 AM
RE: Philco model 77 - by Radioroslyn - 09-18-2016, 02:52 PM
RE: Philco model 77 - by flatheadjr - 09-18-2016, 04:12 PM
RE: Philco model 77 - by Radioroslyn - 09-18-2016, 04:46 PM
RE: Philco model 77 - by flatheadjr - 09-18-2016, 06:11 PM
RE: Philco model 77 - by Radioroslyn - 09-18-2016, 07:37 PM
RE: Philco model 77 - by flatheadjr - 09-18-2016, 08:56 PM
RE: Philco model 77 - by Radioroslyn - 09-18-2016, 11:56 PM
RE: Philco model 77 - by flatheadjr - 09-19-2016, 12:20 PM
RE: Philco model 77 - by Radioroslyn - 09-19-2016, 01:09 PM
RE: Philco model 77 - by klondike98 - 09-19-2016, 03:01 PM
RE: Philco model 77 - by flatheadjr - 09-20-2016, 09:52 AM
RE: Philco model 77 - by flatheadjr - 09-20-2016, 11:25 PM
RE: Philco model 77 - by flatheadjr - 01-11-2017, 09:14 PM
RE: Philco model 77 - by Ron Ramirez - 01-11-2017, 09:55 PM



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