Posts: 65
Threads: 4
Joined: Oct 2016
City: Alexandria Virginia
Yes sorry about that. The voltage at the mixer tube is 150 V (after warming up). And the voltage at the oscillator is 43 V. Note these new values. I will admit this. I noticed I had a 4700 ohm resistor connecting pin 7 and 6 of the oscillator last night instead of 47,000 so i corrected that (its hard to tell orange from red I guess). But the radio has not changed.... .I get no stations. Same problem. So the voltage on the oscillator is still low.
Messages In This Thread
RE: 42-365 - by ccbaker13 - 12-09-2016, 09:03 AM
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Recent Posts
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Rogers Majestic R-646
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Vlad;
I was just reminded of something else, I'm not sure why but many Rogers built sets do seem to have open primari...Arran — 04:40 PM |
Rogers Majestic R-646
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Thanks RpdB
I don't think there's much difference with interstage transformers of different models other than dimersion...Vlad95 — 03:27 PM |
Rogers Majestic R-646
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Vlad;
I looks like your set has the same problem that mine did, both a bad output transformer, and a bad audio inters...Arran — 03:21 PM |
Rogers Majestic R-646
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Ouch! Not often the secondary takes a hit. Wish there was a better solution. I have a good interstage transformer but it...RodB — 02:59 PM |
Rogers Majestic R-646
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By the way, the bypass you suggested is a rare solution in some circuits.
For example, this schematics solution is used...Vlad95 — 01:43 PM |
Rogers Majestic R-646
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No, you are wrong, because you did not know the details.
Unfortunately, only ONE winding out of six is intact in both t...Vlad95 — 01:14 PM |
Rogers Majestic R-646
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The output 45s are still in push-pull because the transformer secondary winding is still in the grid circuit providing o...RodB — 11:52 AM |
Rogers Majestic R-646
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Thanks RodB for the help.
But this is not a real solution to this situation, not even a temporary one. Because the firs...Vlad95 — 11:34 AM |
Philco Model 16 wiring question
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I was going to check the voltages as you suggested and hooked it up to my dim bulb. It appears I have a short. The bul...bobclausen — 10:34 AM |
Rogers Majestic R-646
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You can bypass the interstage transformer by disconnecting the primary, connect a load resistor of about 10k - 20k to th...RodB — 09:40 AM |
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