Irwin,

When installing the subRX, you have to remove the front panel to install the DSP2 board. You will have to separate the front panel from the DSP1 board to install it.

There is little danger of bending pins unless you are quite "ham-handed" with mechanical things. The only precaution is to be certain the connector pins are aligned before putting them in place. There should be no need to force anything - if it does not go together with gentle force, something is wrong with the alignment of the parts.

I do not believe there is any difference between the K3 and the K3s in this regard. Older K3s will have to remove a screw from the corner of the RF board while newer K3s and the K3s have a notch in the DSP board to clear that 'offending' screwhead.

73,
Don W3FPR

On 5/12/2017 8:34 AM, Irwin Darack wrote:

To install a KRX3A in an already built K3s do I need to remove the front
panel? I am hoping that I do not as to reinstall the front panel you have
to be very careful not to bend a pin. I realize that I have to install some
new additional stand-offs on the main RF board. I have reviewed the KRX3A
install instructions and it's a little confusing on the difference in a
older K3 versus a K3s. It appears that you have to take the front panel
totally apart?
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