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Hallicrafters S53-A
#18

update for others reading this.
when i power up, at the + side of C57c filter cap & 1kohm resistor R38 i experience this.....
radio warms up and meter shows voltage ramp up to about 325v, quickly the voltage ramps down to only 55 or 60vdc.
radio has no output.
if i leave the set on for more than 20 seconds the 1kohm resistor will overheat.

terry,
I disconnected the two wires at C57c.
my voltage settles in at around 230vdc when i leave this branch open that feeds pin 5 of the 6c4.


I do notice now that what i thought were dog bone resistors are actually CAPS!!


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Messages In This Thread
Hallicrafters S53-A - by jcassity - 12-18-2017, 09:35 PM
RE: Hallicrafters S53-A - by Paul Philco322 - 12-19-2017, 09:15 PM
RE: Hallicrafters S53-A - by Arran - 12-21-2017, 12:35 AM
RE: Hallicrafters S53-A - by jcassity - 12-21-2017, 09:42 AM
RE: Hallicrafters S53-A - by jcassity - 12-21-2017, 11:02 AM
RE: Hallicrafters S53-A - by jcassity - 12-21-2017, 11:31 AM
RE: Hallicrafters S53-A - by jcassity - 12-21-2017, 02:07 PM
RE: Hallicrafters S53-A - by jcassity - 12-21-2017, 06:21 PM
RE: Hallicrafters S53-A - by jcassity - 12-21-2017, 06:23 PM
RE: Hallicrafters S53-A - by jcassity - 12-21-2017, 06:30 PM
RE: Hallicrafters S53-A - by jcassity - 12-21-2017, 06:32 PM
RE: Hallicrafters S53-A - by Paul Philco322 - 12-21-2017, 10:09 PM
RE: Hallicrafters S53-A - by jcassity - 12-22-2017, 04:02 PM
RE: Hallicrafters S53-A - by jcassity - 12-22-2017, 09:57 PM
RE: Hallicrafters S53-A - by Radioroslyn - 12-22-2017, 10:32 PM
RE: Hallicrafters S53-A - by jcassity - 12-23-2017, 12:22 AM
RE: Hallicrafters S53-A - by jcassity - 12-23-2017, 07:48 AM
RE: Hallicrafters S53-A - by jcassity - 12-23-2017, 10:19 AM
RE: Hallicrafters S53-A - by jcassity - 12-23-2017, 09:29 PM
RE: Hallicrafters S53-A - by Radioroslyn - 12-25-2017, 12:36 PM
RE: Hallicrafters S53-A - by jcassity - 12-26-2017, 09:27 AM
RE: Hallicrafters S53-A - by Radioroslyn - 12-26-2017, 11:08 AM
RE: Hallicrafters S53-A - by jcassity - 12-26-2017, 06:27 PM
RE: Hallicrafters S53-A - by jcassity - 12-27-2017, 12:58 PM
RE: Hallicrafters S53-A - by jcassity - 12-27-2017, 01:10 PM
RE: Hallicrafters S53-A - by jcassity - 12-27-2017, 08:48 PM
RE: Hallicrafters S53-A - by jcassity - 12-27-2017, 08:54 PM
RE: Hallicrafters S53-A - by jcassity - 12-28-2017, 11:20 AM
RE: Hallicrafters S53-A - by vinzer - 12-28-2017, 03:10 PM
RE: Hallicrafters S53-A - by Radioroslyn - 12-28-2017, 09:05 PM
RE: Hallicrafters S53-A - by jcassity - 12-30-2017, 07:05 PM
RE: Hallicrafters S53-A - by Radioroslyn - 12-30-2017, 11:27 PM
RE: Hallicrafters S53-A - by jcassity - 12-31-2017, 09:06 AM
RE: Hallicrafters S53-A - by jcassity - 01-01-2018, 12:51 PM
RE: Hallicrafters S53-A - by jcassity - 01-01-2018, 08:09 PM
RE: Hallicrafters S53-A - by jcassity - 01-02-2018, 12:52 PM
RE: Hallicrafters S53-A - by jcassity - 01-03-2018, 12:41 PM
RE: Hallicrafters S53-A - by Kenneth F. Besso Jr. - 01-03-2018, 07:56 PM
RE: Hallicrafters S53-A - by jcassity - 01-04-2018, 05:50 PM
RE: Hallicrafters S53-A - by Kenneth F. Besso Jr. - 01-04-2018, 06:39 PM
RE: Hallicrafters S53-A - by Eliot Ness - 01-05-2018, 09:53 AM
RE: Hallicrafters S53-A - by tbone - 01-06-2018, 05:36 PM
RE: Hallicrafters S53-A - by jcassity - 01-08-2018, 12:33 PM
RE: Hallicrafters S53-A - by jcassity - 01-11-2018, 08:27 AM
RE: Hallicrafters S53-A - by jcassity - 01-11-2018, 11:31 AM
RE: Hallicrafters S53-A - by jcassity - 01-11-2018, 03:13 PM
RE: Hallicrafters S53-A - by tbone - 01-12-2018, 04:06 AM
RE: Hallicrafters S53-A - by jcassity - 01-12-2018, 09:04 AM
RE: Hallicrafters S53-A - by jcassity - 01-12-2018, 09:20 AM
RE: Hallicrafters S53-A - by tbone - 01-12-2018, 10:56 AM
RE: Hallicrafters S53-A - by jcassity - 01-13-2018, 10:17 AM
RE: Hallicrafters S53-A - by jcassity - 01-13-2018, 09:52 PM
RE: Hallicrafters S53-A - by jcassity - 01-16-2018, 11:08 AM
RE: Hallicrafters S53-A - by jcassity - 01-16-2018, 11:48 AM
RE: Hallicrafters S53-A - by jcassity - 01-17-2018, 04:31 PM



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