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1. [Amps] SB-220 Troubleshooting Question (score: 1): Author: "Mark Cherry" <macherry54@gmail.com>; Date: Sun, 5 Feb 2012 08:17:05 -0700; Hi all. I have recently had my SB-220 end its useful life. I keyed it for CW, it groaned, hummed and popped one of the two breakers! During this event, it also took out one of the two power resistors; /archives//html/Amps/2012-02/msg00011.html (7,767 bytes)
2. Re: [Amps] SB-220 Troubleshooting Question (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sun, 5 Feb 2012 11:11:05 -0500; Thats fairly normal once a relay welds its contacts. Thats a zener diode Cockpit error. Without any Normal Back to Step 1 Thats impossible since you have HV. A shorted cap will usually take out some; /archives//html/Amps/2012-02/msg00014.html (10,279 bytes)

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