Posts: 713
Threads: 8
Joined: Apr 2018
City: S. Dartmouth
State, Province, Country: MA
FWIW:
Most energy storage capacitors should not be directly shorted. Discharged by a suitable power resistor. Such an energy dump can cause disassociation of metalizing or opening an internal link to the terminals. The separation of metalizing can cause noise issues in sensitive circuits as these isolation's of metalizing connect and disconnect randomly.
Pliny the younger
“nihil novum nihil varium nihil quod non semel spectasse sufficiat”
Messages In This Thread
RE: Restoring Philco 37-604C - by Chas - 10-23-2024, 05:46 PM
Users browsing this thread: 1 Guest(s)
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Recent Posts
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Need to purchase some accessories for restoration of my Old Philco Radio
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| Here is a list of resources found in our online library that you might find useful. Mike's Gobs of Knobs email addres...klondike98 — 01:46 PM |
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First Radio restoration
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| Hi Tubeman,
Welcome to the Philco Phorum. Phamily Phriendly Pfun with Phine Pholks Phull of Philco Phacts. (See a p...MrFixr55 — 12:33 PM |
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First Radio restoration
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| You could post in the WANTED ADs section here on the Phorum and see if anyone has an RF generator that they want to sell...klondike98 — 11:55 AM |
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Zenith H725
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| Good ideas, thank you Arrange and Rich. I have the adhesive aluminum foil already and can try that immediately.
More ...EdHolland — 10:18 AM |
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Graphics for majestic 1050 dial glass.
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| Murf;
I found this thread on the ARF, the first photo has a pretty good view of the dial glass.
Regards
ArranArran — 01:12 AM |
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Zenith H725
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| hello Ed,
how about that speacial tape used for ducting it's like foil or how about thin piece of
aluminum roof flash...radiorich — 12:19 AM |
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Zenith H725
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| Ed;
One material that I have seen, but never tried for this was material for making exhaust gaskets, it's similar to ...Arran — 11:42 PM |
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Zenith H725
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| I just remembered, I have some hi temp silicone rubber material which could do the trick. Or a piece of FR4 laminate. Th...EdHolland — 08:39 PM |
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Zenith H725
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| The PSU filter cap arrived today (thank you USPS!) so I will work on that later.
Meanwhile, I have the dial, speaker...EdHolland — 06:42 PM |
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Philco 610B oscillator wiring
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| Thanks Terry. After checking my notes I think I recorded about -10v at the 6A7 G4/control grid. The screen grid (G3 &...Tubester — 05:59 PM |
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