Paul,
J1 is on the back of the Front Panel board.
The connections of that Microphone Configuration Header for various
microphones are indicated in the charts toward the end of the KSB2 manual.
If you have used an Elecraft microphone before, you may already have
those jumpers and the 5.6k bias resistor soldered on the back of the
microphone jack installed already.
You can remove the left side panel and peer in to see if the jumpers and
resistor are already in place.
If you just bought this K2 and do not know how to remove the Front
Panel, refer to the article at
http://www.qsl.net/wy3a/Replace_K2_Headphone_Jack.htm - go only as far
as necessary to remove the front panel.
73,
Don W3FPR
On 8/4/2018 3:46 PM, Paul Smith wrote:
I ordered and received a MH4 for my K2. The instructions show the schematic of
mic wires at J1 and enclosed are little jumpers. Where is J1 and how does a guy
get to it?
Thanks in advance de Paul N0NBD
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