[Elecraft] KIO2 troubleshooting

[Matt Osborn]

I had to remove the jack screws from the connectors to make a solid
connection.  They wouldn't allow the connectors to mate deep enough.

On Sat, 25 Jun 2005 05:00:41 +0000, "Jason Marten"
<martenjj at hotmail.com> wrote:

>Sorry to interrupt anybody's field day plans!
>
>I just built the KIO2, but couldn't establish a connection with 
>Hyperterminal and K2Remote software.
>
>So, I went to the DC Voltage chart, and found the following differences (I 
>used a 13.8 V power supply).  (The values with *'s by them in the manual 
>were pretty close)
>
>J1-2:  -11V, not -8
>J1-3:  0V, not 0.1
>J1-4:  0V, not 4.5
>U1-2:  0V, not 0.1
>U1-5:  -11.2V, not -8
>U1-8:  -11.2V, not -9
>U1-13:  4.96V, not 4.5
>U1-15:  4.96V, not 4.5
>J2-7:  0V, not 4.5
>
>I went to the control board, U6-25 is 5V (someone else on the mailing list 
>had 0 here for a similar problem as mine).  P4-7 on the control board is 
>also 0V.
>
>Any ideas?  Everything up to now has been working fine.  Last thing I added 
>on was RX160 which I haven't used.  Before that, KAT2, which worked fine 
>(haven't tried it since building KIO2).  I haven't noticed any soldering 
>problems or anything like that.
>
>Thanks.
>
>
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