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Another 89 Chasis from H**l!
Ron Ramirez
Silent Key
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Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#4

02-01-2019, 01:13 PM
An open interstage coil (6) would keep B+ from the 44 RF amp plate.

However, your not having plate voltage at the 36 tube is a bit puzzling. Normally when the oscillator coil (14) fails, it is the cathode "tickler" winding (left-most winding of that coil on the schematic, 5.25 ohms) that goes open.

I suppose it could be corroded so badly from that nitrocellulose insulator Philco used back in the day that it may have caused the plate winding (5.07 ohms) to fail also. Check those out.
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Ron Ramirez
Ferdinand IN
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Messages In This Thread
Another 89 Chasis from H**l! - by tkibler - 02-01-2019, 10:43 AM
RE: Another 89 Chasis from H**l! - by morzh - 02-01-2019, 10:59 AM
RE: Another 89 Chasis from H**l! - by tkibler - 02-01-2019, 11:41 AM
RE: Another 89 Chasis from H**l! - by Ron Ramirez - 02-01-2019, 01:13 PM
RE: Another 89 Chasis from H**l! - by tkibler - 02-01-2019, 02:02 PM
RE: Another 89 Chasis from H**l! - by Ron Ramirez - 02-01-2019, 02:15 PM
RE: Another 89 Chasis from H**l! - by simplex1040 - 02-04-2019, 10:52 PM
RE: Another 89 Chasis from H**l! - by tkibler - 02-05-2019, 09:01 AM
RE: Another 89 Chasis from H**l! - by tkibler - 02-05-2019, 09:04 AM
RE: Another 89 Chasis from H**l! - by Brad Winder - 02-05-2019, 12:25 PM
RE: Another 89 Chasis from H**l! - by tkibler - 02-05-2019, 09:44 PM
RE: Another 89 Chasis from H**l! - by morzh - 02-05-2019, 11:37 PM
RE: Another 89 Chasis from H**l! - by gregb - 02-05-2019, 11:51 PM
RE: Another 89 Chasis from H**l! - by tkibler - 02-06-2019, 09:56 AM
RE: Another 89 Chasis from H**l! - by tkibler - 02-08-2019, 08:23 AM
RE: Another 89 Chasis from H**l! - by PAradiogeek - 02-08-2019, 12:12 PM
RE: Another 89 Chasis from H**l! - by tkibler - 02-26-2019, 09:35 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-02-2019, 03:54 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-02-2019, 05:00 PM
RE: Another 89 Chasis from H**l! - by gregb - 03-02-2019, 06:06 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-02-2019, 07:22 PM
RE: Another 89 Chasis from H**l! - by gregb - 03-02-2019, 07:37 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-02-2019, 08:25 PM
RE: Another 89 Chasis from H**l! - by gregb - 03-02-2019, 09:29 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-02-2019, 11:14 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-03-2019, 10:31 PM
RE: Another 89 Chasis from H**l! - by Ron Ramirez - 03-03-2019, 10:33 PM
RE: Another 89 Chasis from H**l! - by gregb - 03-04-2019, 12:07 AM
RE: Another 89 Chasis from H**l! - by tkibler - 03-04-2019, 07:16 PM
RE: Another 89 Chasis from H**l! - by Ron Ramirez - 03-04-2019, 07:35 PM
RE: Another 89 Chasis from H**l! - by Radioroslyn - 03-04-2019, 08:09 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-05-2019, 03:31 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-05-2019, 03:34 PM
RE: Another 89 Chasis from H**l! - by gregb - 03-05-2019, 09:43 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-05-2019, 10:23 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-08-2019, 06:01 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-09-2019, 05:49 PM
RE: Another 89 Chasis from H**l! - by gregb - 03-09-2019, 06:10 PM
RE: Another 89 Chasis from H**l! - by Radioroslyn - 03-09-2019, 08:52 PM
RE: Another 89 Chasis from H**l! - by tkibler - 03-13-2019, 04:44 PM



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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration