K2 SSB Option RP3 Question

[Clark Macaulay KE4RQ]

I'm buidling my K2 purchased at Dayton and found a problem when doing a parts inventory.  The Parts List designator for RP3 is far different than the part I received: it says 806345.  Does anyone know if this is a acceptable substitute?  There's nothing in the manual/Addenda nor in the reflector archives.
   
  73 de ke4rq
  Clark Macaulay
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[Geoffrey Mackenzie-Kennedy-2]

Clark, I do not have my manual for the KSB2 here but you could try measuring
the resistance between pins and see if the results agree with the values
shown in the schematic. If they do and the physical size is OK I would use
it, but you might like to get a second opinion before doing so.

73,
Geoff
GM4ESD


Clark Macaulay <[hidden email]> wrote:

> I'm buidling my K2 purchased at Dayton and found a problem when doing a
> parts inventory.  The Parts List designator for RP3 is far different than
> the part I received: it says 806345.  Does anyone know if this is a
> acceptable substitute?  There's nothing in the manual/Addenda nor in the
> reflector archives.


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[Geoffrey Mackenzie-Kennedy-2]

Ooops - KSB2 should have read K2! Sorry.

73,
Geoff
GM4ESD

----- Original Message -----
From: "Geoffrey Mackenzie-Kennedy" <[hidden email]>
To: "Elecraft Discussion List" <[hidden email]>
Sent: Saturday, June 16, 2007 3:46 PM
Subject: Re: [Elecraft] K2 SSB Option RP3 Question

> Clark, I do not have my manual for the KSB2 here but you could try
> measuring
> the resistance between pins and see if the results agree with the values
> shown in the schematic. If they do and the physical size is OK I would use
> it, but you might like to get a second opinion before doing so.
>
> 73,
> Geoff
> GM4ESD
>
>
> Clark Macaulay <[hidden email]> wrote:
>
>> I'm buidling my K2 purchased at Dayton and found a problem when doing a
>> parts inventory.  The Parts List designator for RP3 is far different than
>> the part I received: it says 806345.  Does anyone know if this is a
>> acceptable substitute?  There's nothing in the manual/Addenda nor in the
>> reflector archives.
>

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[Don Wilhelm-3]

Clark,

You must be doing an inventory for the control board - the front panel
has no RP3 and the RF Board has the thermistor board in place of RP3.

On the R-Paks, the last 3 digits of the number on the body are
significant.  In the case if CB RP3, it is 47k ohms, so look for a '473'
at the end of the number - that is 2 significant digits (47) plus a
multiplier (3).

The number you quoted either was incomplete or is a component
manufacturer's designation and has no relationship to the Elecraft part
numbers.

73,
Don W3FPR

Clark Macaulay wrote:
> I'm buidling my K2 purchased at Dayton and found a problem when doing a parts inventory.  The Parts List designator for RP3 is far different than the part I received: it says 806345.  Does anyone know if this is a acceptable substitute?  There's nothing in the manual/Addenda nor in the reflector archives.
>    
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[Don Wilhelm-3]

Whoops - I failed to see the KSB2 in the subject line, so I assumed a
K2.  There are 2 RP3s  in the KSB2 - one mounts on the front panel board
and is a 10K r-pak (last 3 digits - 103) and there is an RP3 that mounts
on the KSB2 board of 2k in value (last 3 digits = 202).

73,
Don W3FPR

Clark Macaulay wrote:
> I'm buidling my K2 purchased at Dayton and found a problem when doing a parts inventory.  The Parts List designator for RP3 is far different than the part I received: it says 806345.  Does anyone know if this is a acceptable substitute?  There's nothing in the manual/Addenda nor in the reflector archives.
>    
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