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Here is where I am today. Taking Bandersen's suggestion, I found I did have a 1620, 20W resistor on hand to replace the 10W that was frying for R178.
I've got 2 new 1500 ohm 20W resistors ordered to replace R174 candohm which I will put in series tying the center point to ground. For right now, I have put the old R174 back in with the center tap grounded.
That corrects my 260 B+ voltage. However, the 140 volt line is only reading about 54 volts. 260V should go into R178,and drop it down to 140, but it's pulling it down to 54.
I guess I will unhook everything tied to the 140V line and start checking
Voltages are now correct on V105 audio output 6K6 tube. Touching the meter probe to in 4, I can hear some static in the speaker.
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