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Total 14 documents matching your query.

1. [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl Clawson" <carlclawson@verizon.net>; Date: Sat, 13 Mar 2010 17:35:13 -0800; Anyone have an idea of a favorite failure mode that would cause visible and audible arcing in the tube compartment? I'm trying to repair one. Put 10 or 20 watts drive to it with the tune controls at; /archives//html/Amps/2010-03/msg00221.html (8,158 bytes)
2. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: bill price <kingofbackswing@hotmail.com>; Date: Sat, 13 Mar 2010 20:40:24 -0500; Your tubes are gas ie _________________________________________________________________ Hotmail: Trusted email with Microsofts powerful SPAM protection. http://clk.atdmt.com/GBL/go/210850552/direct/0; /archives//html/Amps/2010-03/msg00222.html (9,329 bytes)
3. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sat, 13 Mar 2010 20:53:35 -0500; Where is this visible arcing taking place? Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2010-03/msg00224.html (9,079 bytes)
4. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: bill price <kingofbackswing@hotmail.com>; Date: Sat, 13 Mar 2010 20:56:31 -0500; In the tube or tubes you can send me your no. i will call you, bill _________________________________________________________________ The New Busy is not the old busy. Search, chat and e-mail from yo; /archives//html/Amps/2010-03/msg00227.html (11,171 bytes)
5. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: bill price <kingofbackswing@hotmail.com>; Date: Sat, 13 Mar 2010 20:56:41 -0500; In the tube or tubes you can send me your no. i will call you, bill _________________________________________________________________ Hotmail has tools for the New Busy. Search, chat and e-mail from; /archives//html/Amps/2010-03/msg00228.html (11,191 bytes)
6. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl Clawson" <carlclawson@verizon.net>; Date: Sat, 13 Mar 2010 18:12:34 -0800; Well, I was looking at the plate current meter when it happened but my impression was that it was around the top of the tube compartment, possibly arcing from the plates to the cabinet or thereabout; /archives//html/Amps/2010-03/msg00231.html (8,517 bytes)
7. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sat, 13 Mar 2010 21:40:20 -0500; With the cover off it should be a 1 man show. If its arcing to the cabinet it will leave visible evidence. Dirt and/or nicotine can cause lots of arcing also. Carl KM1H _____________________________; /archives//html/Amps/2010-03/msg00235.html (9,238 bytes)
8. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl Clawson" <carlclawson@verizon.net>; Date: Sun, 14 Mar 2010 10:53:09 -0700; Thanks all for the good advice, on- and off-list. Closer inspection shows a new-looking crack along the edge of the HV bypass cap at the bottom of the plate choke. Also, that area is very well coated; /archives//html/Amps/2010-03/msg00252.html (8,636 bytes)
9. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl Clawson" <carlclawson@verizon.net>; Date: Mon, 15 Mar 2010 22:02:58 -0700; And thanks again. The cracked bypass cap was a red herring but I replaced it anyway. It was arcing across the plate blocking caps where there was a distinct carbonized trace situated just where it w; /archives//html/Amps/2010-03/msg00292.html (9,242 bytes)
10. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Tue, 16 Mar 2010 10:02:59 -0400; Glad you found it. The LK-500's arent prone to parasitics unless the resistors radically changed value. My ZC has been through countless hours of contesting and DXing since 1986 and still has origina; /archives//html/Amps/2010-03/msg00297.html (10,810 bytes)
11. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl Clawson" <carlclawson@verizon.net>; Date: Tue, 16 Mar 2010 22:34:59 -0700; Well I'll broadcast my ignorance here...I've never heard of a Teflon disc cap. The only Teflon RF caps I remember are the Russian "doorknobs" which are actually shaped more like a barber pole than a; /archives//html/Amps/2010-03/msg00318.html (9,796 bytes)
12. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 17 Mar 2010 10:12:43 -0400; What is the brand name or initials on those caps? Are they red? Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/lis; /archives//html/Amps/2010-03/msg00329.html (11,175 bytes)
13. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: Carl Clawson <carlclawson@verizon.net>; Date: Wed, 17 Mar 2010 07:31:59 -0700; Yes, they're red and (going from memory here) labeled MDC. -- Carl WS7L _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/list; /archives//html/Amps/2010-03/msg00334.html (9,354 bytes)
14. Re: [Amps] LK500ZB (2 x 3-500Z), most likely cause of zap/arc? (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 17 Mar 2010 10:47:02 -0400; Yep, those are the original Teflon caps. Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2010-03/msg00336.html (9,789 bytes)

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