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Total 7 documents matching your query.

1. [Amps] SB-220 HV meter on zero (score: 1): Author: Catherine James <catherine.james@att.net>; Date: Tue, 1 Nov 2016 00:08:28 +0000 (UTC); I have replaced the back-to-back meter diodes on the Harbach diode meter board (which came with the amp pre-installed, and is not the latest version), replaced the capacitor block, installed a 10 ohm; /archives//html/Amps/2016-11/msg00005.html (8,687 bytes)
2. Re: [Amps] SB-220 HV meter on zero (score: 1): Author: Catherine James <catherine.james@att.net>; Date: Mon, 31 Oct 2016 19:10:01 -0700; OK, found schematics (thanks Bob W1ICW). Looking at the glorified voltage divider, I'm guessing it's just an open resistor on the meter board. I'll have a closer look at it later this week. Hoping th; /archives//html/Amps/2016-11/msg00006.html (7,288 bytes)
3. Re: [Amps] SB-220 HV meter on zero (score: 1): Author: mike via Amps <amps@contesting.com>; Date: Tue, 1 Nov 2016 18:26:15 -0400; You can test the meter with a ohm meter. Disconnect one side and check for continuity. Mike OK, found schematics (thanks Bob W1ICW). Looking at the glorified voltage divider, I'm guessing it's just a; /archives//html/Amps/2016-11/msg00011.html (8,140 bytes)
4. Re: [Amps] SB-220 HV meter on zero (score: 1): Author: Vic Rosenthal <k2vco.vic@gmail.com>; Date: Wed, 2 Nov 2016 07:44:31 +0200; Make a shorting stick -- a dry wood or fiberglass stick about 16" long with a hook at one end, and a wire from the hook going to a good-quality alligator clip. When you open the amplifier, connect th; /archives//html/Amps/2016-11/msg00014.html (8,371 bytes)
5. Re: [Amps] SB-220 HV meter on zero (score: 1): Author: Bill Turner <dezrat@outlook.com>; Date: Wed, 2 Nov 2016 19:40:21 +0000; -- ORIGINAL MESSAGE --(may be snipped) REPLY: Be careful with this. Some older ohm meters use very high current and can damage sensitive meter movements. If you have any doubts, measure the current t; /archives//html/Amps/2016-11/msg00019.html (8,162 bytes)
6. Re: [Amps] SB-220 HV meter on zero (score: 1): Author: "Mike Manship" <w9oj@indy.rr.com>; Date: Wed, 2 Nov 2016 17:02:03 -0400; The SB-220 has a built-in shorting stick. Mike W9OJ Make a shorting stick -- a dry wood or fiberglass stick about 16" long with a hook at one end, and a wire from the hook going to a good-quality all; /archives//html/Amps/2016-11/msg00020.html (9,076 bytes)
7. [Amps] SB-220 HV meter on zero (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Fri, 4 Nov 2016 06:22:10 -0700; REPLY: Be careful with this. Some older ohm meters use very high current and can damage sensitive meter movements. If you have any doubts, measure the current through the ohm meter probes first and b; /archives//html/Amps/2016-11/msg00027.html (8,426 bytes)

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