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Re: KLM polarity switch schematic



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" <n5uxt@email.com>
To: <amsat-bb@amsat.org>
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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