I'm surprised to hear that, Tom. Mine's been in service since July 1999 (the headphone jack, not the KSB2!) and no problems. Of course, with a K3 and KX3 the K2 doesn't get much use these days.

Phil W7OX

On 12/6/14 5:57 PM, Tom McCulloch wrote:
I believe a lot of folks have had a problem with that jack. It sounds (no pun ) like you may need a replacement
Tom, wb2qdg

K2 1103


On 12/6/2014 8:52 PM, Frank Krozel wrote:
Oh, it was broken and sold that way to me.. In order to hear “something” out of the speaker, you have to insert a headphone into the hole about 1/2 way lol
Frank

On Dec 6, 2014, at 7:49 PM, Phil Wheeler <[email protected]> wrote:

The headphone jack should be unrelated to the mic config header and the KSB2 board. Why do you think you need a new headphone jack, Frank?

Phil W7OX

On 12/6/14 5:47 PM, Frank Krozel wrote:
So guess replacing my “headphone jack” will be a part of this process as well.
Frank

On Dec 6, 2014, at 7:39 PM, Matt VK2RQ <[email protected]> wrote:

The “missing” PCB header is supplied with the KSB2 SSB option module. If you order a MH2 microphone, you’ll get a packet of PC-style jumpers to bridge the header. Otherwise, if you use a different type of microphone, you need to take care for the jumping yourself. The “UNPCB” guy sells a nice jumpering PCB that allows you to easily change the jumper setup for a range of standard mics, suggest you look it up below (look for “Internal Mic Adaptor”):
http://www.unpcbs.com/


73, Matt VK2RQ.

On 7 Dec 2014, at 12:36 pm, Frank Krozel <[email protected]> wrote:

All I “see” are pc holes that are unpopulated. I am thinking there is a header missing or similar.
I was kind of looking for a jumper block.
Frank'
On Dec 6, 2014, at 7:27 PM, Phil Wheeler <[email protected]> wrote:

Frank, for the K2 (I think that's the rig you mean) the info you need is in this document "ELECRAFT KSB2 S SB ADAPTER Assembly and Operating Instructions". Near the end is the info for configuring it for various mics.

When you said "Mine was inoperative when I got it used" do you mean on SSB or completely? Does it have the KSB2 option installed?

73, Phil W7OX

On 12/6/14 5:20 PM, Frank Krozel wrote:
Guys, I am about ready to place an order to Elecraft and one of the items I will be needing are a few of the connectors like P3, P6, and the headphone jack. Mine was inoperative when I got it used.. Where is the jumper block for the mic? Been staring at the pictures and cannot find the manual where it shows where the jumper block is. I guess it is on the control panel but cannot find any picture of that in case I need some additional connectors. (I got it used and it is in perfect condition!!)
Frank KG9H

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