A New High Voltage Power Board for the Heathkit SB-200 Part 2

The is the second article in a 2 part series detailing assembly and installation of the Harbach PM-200 HV power supply board for the Heathkit SB-200.

The is the second of a 2 part series detailing assembly and installation of the Harbach PM-200 replacement board for the Heathkit SB-200. Part 1 can be found here.

Old HV Board PIC
Old HV PCB
Continue reading “A New High Voltage Power Board for the Heathkit SB-200 Part 2”

A Dirty TX Relay on a Clean Heathkit SB-200

I recently purchased a used Heathkit SB-200 from the DELARA Radio Club. After letting it set around unused for a number of months unused, I experienced some pesky SWR issues on the ICOM-7300.

SB-200 Front Pic
HeathKit SB-200
Continue reading “A Dirty TX Relay on a Clean Heathkit SB-200”