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1. [Amps] LK-500 problem (score: 1)
Author: Jeff Strailey <liveccam@yahoo.com>
Date: Sun, 28 May 2006 20:20:51 -0700 (PDT)
I recently obtained an Amp Supply LK-500ZB. The first order of business was the conversion to 120 volt operation. When the amp is powered plate voltage as measured by the internal meter is about 1500
/archives//html/Amps/2006-05/msg00464.html (7,148 bytes)

2. [Amps] More LK500 (score: 1)
Author: Jeff Strailey <liveccam@yahoo.com>
Date: Sun, 28 May 2006 23:11:48 -0700 (PDT)
My problem with operating an LK500 following the change to 120 Vac operation appears to be related to a step start mod that was added at some time to the amplifier. Perhaps someone has a schematic or
/archives//html/Amps/2006-05/msg00468.html (6,813 bytes)

3. [Amps] LK500 various (score: 1)
Author: Jeff Strailey <liveccam@yahoo.com>
Date: Mon, 29 May 2006 15:45:12 -0700 (PDT)
Thanks to everyone who replied privately and to the group. The soft start module in my LK500ZB doesn't resemble the Harbach module in any way. There were also other wiring changes that defy common se
/archives//html/Amps/2006-05/msg00498.html (6,989 bytes)

4. Re: [Amps] LK500 various (score: 1)
Author: Jeff Strailey <liveccam@yahoo.com>
Date: Mon, 29 May 2006 17:16:04 -0700 (PDT)
Colin, Tnx...I pulled the step start relay off the back panel and finally got a good look at things. The 120VAC relay was connected to one side of the AC line and ground to provide 120 for the relay
/archives//html/Amps/2006-05/msg00499.html (7,109 bytes)


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