[Elecraft] Help - K-3 TMP cables

[Bill Breeden]

Pete,

Here is the link for the KSYN3A synthesizer installation instructions.  
See Figure 13 on page 17 for the cable routing for a dual receive K3.

https://ftp.elecraft.com/K3S/Manuals%20Downloads/E740257%20KSYN3A%20Installation%20Rev%20A6.pdf

73,

Bill - NA5DX


On 3/11/2023 4:13 PM, Pete Smith N4ZR wrote:
> I'm in a bit of a mess.  I took my K-3 (S/N 4275) with the sub-RX 
> apart in order to replace Q3, the MOSFET that switches the Key Out 
> jack, which is buried under the sub-RX and the I/O subassemblies.  In 
> the process, I managed to pop loose the cable that goes from VCO Out 
> (J84 of the *main* synthesizer board), connecting  presumably to 
> somewhere on the big main RX board.  But I can't, for the life of me, 
> find an empty TMP jack anywhere on the RF board. Judging by the length 
> and curvature of the orphan cable, it should go somewhere on the left 
> side of the main board, toward the left \, but there's nothing there.
>
> The problem is that the updated KSYN3A synthesizers in my K3 were 
> installed at the factory, so I don't have the usual documentation and 
> the units look very different from the originals  (my assembly manual 
> only covers the original synthesizers, and also looks much different 
> in the section dealing with the cabling of the synthesizers)
>
> Can anyone tell me where that cable is supposed to go?
>