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Found the exact data on the 9042, the transformer used in this radio.
5V / 2A, 640V / 133mA and 2.5V / 8.44A.
Cannot find the data on the A36, the one used in Superette R-7. I am yet to look at the mechanicals, but the only question electrically is the Hi-V winding.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
Messages In This Thread
RE: Starting on an RCA140 - by morzh - 07-21-2026, 12:00 PM
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Philco 71 Code 125
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| Ok guys. Thanks for the input. As for AI this is why I ask the experts.
Dandconant — 07:39 AM |
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Philco 71 Code 125
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| Technically, that's C-. B- is chassis ground. The resistor between chassis ground and the HV center tap makes the HV c...MrFixr55 — 11:24 PM |
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Philco 71 Code 125
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| This might be one of those cases where it's a ground to an AC voltage and B- to DC.RodB — 08:22 PM |
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Philco 71 Code 125
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| Really Rod? I know you would not steer me wrong but AI say this is a short circuit? What if I moved the 6 volt center ta...dconant — 06:40 PM |
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| Looks like that might be the B- buss, so that would be correct.RodB — 01:32 PM |
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Philco 71 Code 125
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| I noticed on the code 121 schematic the center tap for the 6 volt winding and hv winding are tied together. Is this corr...dconant — 12:16 PM |
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