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1. [AMPS] SB 220 repair (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 8 Nov 1999 21:58:58 -0800; A friend brought over a Heathkit SB 220 for repair. I thought I'd tell you what I found. I removed the chassis from the case to first find the ALC electrolytic capacitor strewn about the bottom in co; /archives//html/Amps/1999-11/msg00217.html (9,083 bytes)
2. [AMPS] SB 220 repair (score: 1): Author: mike@g0mjw.freeserve.co.uk (G0MJW); Date: Tue, 9 Nov 1999 08:11:40 -0000; I removed the grid chokes and was quite Er, you mean the grid was not grounded nor biased - and you were surprised it floated ? I hope it floated negative ! -- FAQ on WWW: http://www.contesting.com/a; /archives//html/Amps/1999-11/msg00224.html (7,053 bytes)
3. [AMPS] SB 220 repair (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 9 Nov 1999 06:23:06 -0700; There is no such capacitor in the ALC circuitry -- in the 110VDC supply, yes. Parasitics that are intermittent are not easy to investigate. Be sure to remove the wire between the bias contacts on th; /archives//html/Amps/1999-11/msg00228.html (8,620 bytes)

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