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Bogen CHB-20A Rebuild
#28
I think I got fuse locations worked out on the PSU board. Left to right is bias, heater, and plate windings' fuses. I've drilled the holes, and test fit the eyelets and fuse holders.
   
Since I'm hanging an auxiliary transformer off the heater winding to use for the bias supply, I'm thinking that the auxiliary transformer should come after the heater fuse so that if the aux transformer fails short for some reason then the heater fuse will trip before the heater winding goes up in smoke too.

Anyhow, now gotta drill out the holes for the other components, stake all the eyelets, and solder!
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Messages In This Thread
Bogen CHB-20A Rebuild - by physics - 01-18-2024, 05:40 AM
RE: Bogen CHB-20A Rebuild - by physics - 01-18-2024, 08:16 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 01-18-2024, 08:33 PM
RE: Bogen CHB-20A Rebuild - by physics - 01-19-2024, 05:55 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 01-19-2024, 02:00 PM
RE: Bogen CHB-20A Rebuild - by makinrose - 01-21-2024, 07:50 PM
RE: Bogen CHB-20A Rebuild - by physics - 01-21-2024, 08:40 PM
RE: Bogen CHB-20A Rebuild - by physics - 01-21-2024, 08:36 PM
RE: Bogen CHB-20A Rebuild - by physics - 01-21-2024, 08:42 PM
RE: Bogen CHB-20A Rebuild - by physics - 03-09-2024, 05:02 PM
RE: Bogen CHB-20A Rebuild - by physics - 04-09-2024, 02:08 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 04-09-2024, 10:49 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-09-2024, 12:22 PM
RE: Bogen CHB-20A Rebuild - by Sherlok Ohms - 04-09-2024, 03:59 PM
RE: Bogen CHB-20A Rebuild - by physics - 04-10-2024, 02:04 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 04-10-2024, 10:38 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-11-2024, 01:20 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-11-2024, 03:03 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-26-2024, 04:26 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-26-2024, 04:40 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 04-26-2024, 10:39 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-28-2024, 04:00 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-01-2024, 05:15 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-01-2024, 06:20 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-01-2024, 11:53 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-02-2024, 12:37 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-03-2024, 04:40 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-07-2024, 05:01 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-09-2024, 04:53 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-09-2024, 11:32 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-11-2024, 03:27 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-11-2024, 03:46 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-28-2024, 02:06 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-28-2024, 02:07 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-28-2024, 03:54 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-28-2024, 01:13 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-29-2024, 02:51 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-30-2024, 03:15 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-30-2024, 05:10 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-30-2024, 05:34 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-30-2024, 09:21 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-30-2024, 11:16 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-31-2024, 07:43 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-31-2024, 11:06 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-31-2024, 11:45 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-01-2024, 12:16 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-03-2024, 07:47 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-03-2024, 10:57 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-03-2024, 07:23 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-04-2024, 12:24 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-04-2024, 01:05 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-04-2024, 06:47 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-04-2024, 07:42 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 12:29 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 04:17 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 03:35 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-11-2024, 04:59 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 07:16 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 07:38 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-11-2024, 08:43 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 09:23 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-12-2024, 05:43 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-13-2024, 04:50 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-13-2024, 11:07 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-13-2024, 11:43 PM

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