K2 Control board

[VE3WDM]

Hi all,
Just starting the build of the control board and on page 14 putting in the resistor packs. I notice that my RP5 is a red resistor pack part number 103C471T48. It does not have the Dot but a solid line do I match the solid line with the number one on the board. Just wanted to make sure before I solder it in place as this pack did not have a dot.
Thanks
Mike

VE3WDM

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[Dick Dievendorff]

I’d look at the schematic and see if I could figure out how it’s supposed to be wired internally and then verify with an ohmmeter that the presumed dot is where you think it should be…

 

Dick, K6KR

 

 

 

From: [hidden email] [mailto:[hidden email]] On Behalf Of Mike Weir
Sent: Sunday, January 18, 2009 5:44 PM
To: [hidden email]
Subject: [Elecraft] K2 Control board

 

Hi all,
Just starting the build of the control board and on page 14 putting in the resistor packs. I notice that my RP5 is a red resistor pack part number 103C471T48. It does not have the Dot but a solid line do I match the solid line with the number one on the board. Just wanted to make sure before I solder it in place as this pack did not have a dot.
Thanks
Mike

VE3WDM

 

---

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[Don Wilhelm-4]

Mike,

You have it correct.  An identifying mark is used for pin 1 - whether
that is a dot or a bar is the component manufacturer's choice.  The
important thing is that pin 1 is identified by some distinctive mark.

73,
Don W3FPR

Mike Weir wrote:

> Hi all,
> Just starting the build of the control board and on page 14 putting in
> the resistor packs. I notice that my RP5 is a red resistor pack part
> number 103C471T48. It does not have the Dot but a solid line do I
> match the solid line with the number one on the board. Just wanted to
> make sure before I solder it in place as this pack did not have a dot.
> Thanks
> Mike
>
> VE3WDM
>

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