[Elecraft] K3: Repair Broken Power Pole

[Mark Bayern]

>>" ... so that the red 12V hot lead plugged into the black jack, partially melting it.

Just because someone has to state the obvious ... how about using a fuse?

Mark  AD5SS



On Sun, Jun 1, 2014 at 7:58 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:
> On 5/31/2014 4:03 PM, Don Wilhelm wrote:
>>
>> what did you do the break the APP housing, they are pretty sturdy things.
>
>
> Once I looked more carefully at it, it turns out the wound was
> self-inflicted. My operating bench has no clearance space  behind it and a
> shelf only six inches or so above it, so it's difficult to get to the back
> of gear, let alone see what you're doing when you're back there. The failure
> occurred when I tried plugging in the DC power connector and missed by one
> position, so that the red 12V hot lead plugged into the black jack,
> partially melting it.
>
> Thanks for all the detailed suggestions. The solution was to remove the top
> panel, then the side panel. That gave me access to the jack, but when I
> removed it, the #14 wire soldered to the PCB came with it. To solder a new
> wire to the board, I needed access to the bottom side of the board -- my
> Hakko from the top side wasn't cutting it. So I removed most of the screws
> holding that bottom corner spacer, swiveled it out of the way of the iron,
> loosened several screws holding the bottom cover and propped it open with
> pliers so I could see that under-side solder pad. That let me make a good
> joint.
>
> Everything is all better now. Thanks for the advice.
>
> 73, Jim K9YC
>