[amsat-bb] Re: KLM polarity switch schematic

[Angelo Friend]

 Hi Domenico and Dave,  Thanks for the pics and the help . They helped a
lot. The other question I have is that there is 3 componets on the power
connector and one on the ground side of theboom screw.  I cant tell what
they are. I have two on the power connector and nothing on the ground
pin. I know they need to be changed. Can you help with this?? Thanks
Angelo

  ----- Original Message -----
  From: i8cvs
  To: "Angelo Friend" , "AMSAT-BB"
  Subject: Re: [amsat-bb] KLM polarity switch schematic
  Date: Fri, 17 Oct 2008 22:44:19 +0200


  Hi Angelo,

  In a separate email I have sent to you 3 enlarged pictures of the PCB
  for the KLM polarity switcher.

  Please note that the holes from one side to the other side of the PCB
  are metallized.

  When soldering the new relay do not use a too high temperature for
  the
  soldering iron otherwise the studs of relay becames oxidated (blue
  color)

  If possible use solder from ALPHA METALS INC with 62 Sn, 36 PB and
  2 Ag

  73" de

  i8CVS Domenico

  ----- Original Message -----
  From: "Angelo Friend"
  To:
  Sent: Friday, October 17, 2008 1:59 PM
  Subject: [amsat-bb] KLM polarity switch schematic


  > I just took down my polarity switch for my 2 meter KLM and I need
  to do
  > some work with it. I just receivedthe new relay to install but I
  may have
  > damaged a trace or two. So anyone have pictures (without reply
  > installed) or schematic of the board itself??? Thanks in advance.
  73 de
  > Angelo
  >
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