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Philco 640 - Caps in RF Transformer - Need Values
Geoff
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Posts: 479
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#6

09-18-2013, 01:50 AM
13 & 14 are trimmer caps since they have the arrows on them but I don't think 16 & 17 are since they do not have the arrows. I'm not positive of this since I have not dug into the electronics yet.

- Geoff
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RE: Philco 640 - Caps in RF Transformer - Need Values - by Geoff - 09-18-2013, 01:50 AM



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Made mistake & did not label connection
You'll have to forgive me, I am not sure what you mean.  Can you explain what you are really saying.  If anyone does not...georgetownjohn — 08:05 PM
Made mistake & did not label connection
Those are details better left to the ones who know. Maybe you disconnected the wrong end of the wire.RodB — 06:22 PM
Made mistake & did not label connection
Maybe this is starting to make some sense in my hard head.  Is this why the wire in question was not in the great Ron Ra...georgetownjohn — 04:34 PM
Made mistake & did not label connection
I was correct with the 6A8 pin connection's, 7 and 8 are connected to ground as well as the tube shield (the broken line...RodB — 02:41 PM
Made mistake & did not label connection
What does the dotted line representing that surrounds the tube in the schematic?georgetownjohn — 02:17 PM
Made mistake & did not label connection
Hello John, I have been there either label got lost or was not labeled ! Sincerely Richardradiorich — 02:15 PM
Made mistake & did not label connection
Sorry, it is a Philco 37-640.  Does that help?--Johngeorgetownjohn — 02:14 PM
two videos to watch VHS and history of TV
Hello Every, Here are a couple videos right up my alley VHS and the history of Television . history of VCR VHS Hi...radiorich — 02:13 PM
Made mistake & did not label connection
You haven't given us the model number of the set so I looked up the 6A8 pin assignment. Pin 8 is the cathode and pin 7 i...RodB — 01:19 PM
Made mistake & did not label connection
Happy Thanksgiving all! I have made a real bonehead mistake this time. Hope someone can help.  I am trying to determi...georgetownjohn — 12:51 PM

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