Hi old coot88,
Seems like you know your way around this set. Here are my findings tonight:
tube 6au6 tested good, but the short light was flickering on my tester, so replaced the tube.
voltage readings on the 6ac7's
v13 pin 8 160 should be 115
v12 pin 8 140 " " 155
v3 pin 8 180 " " 137
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v13 pin 6 156 should be 170
v12 pin 6 143 " " 158
v3 pin 6 187 " " 157
I also found resister r7 crispy - crittered
this is on v3 pin 6. It's suppose to be 3900 ohm reads 1.048 ohms. I also get humming thru the speaker when I start the vcr, it goes away when I stop the tape. I ordered resister kits thru justradios, should have them early next week.