[amsat-bb] KPC and IC910 help
glennmaillist at bellsouth.net
Mon Sep 1 21:33:15 UTC 2014
Do you have the service manual for the IC910H?
If not, it can be downloaded
The manual for the KPC9612+ is available here
I will look this evening to see what may be causing your problem.
At 02:46 PM 9/1/2014, Jim White wrote:
>Looking for a bit of help here. In reassembling my 9600 bps ground
>station today for an upcoming launch I found two problems.
>1) My IC910H goes into transmit on main band when I power it on,
>even with nothing connected. It worked fine a month ago. Using the
>4/5-power on factory reset clears the settings but it still
>transmits when turned on. I'd appreciate any ideas of what else I
>can try, or - can I send it to ICOM for repair.
>2) A used KPC9612+ I bought from a local guy, which worked fine a
>few days ago, now has a PTT problem. The PTT on pin 1 of the 15 pin
>'high speed' port 2 connector is inverted. It is ground when the
>TNC is idle and goes off ground (not sure how far) when I send a
>packet. The PTT light for port two works properly, red when PTTing,
>but the output pin is inverted. I did note the backup battery
>appears dead because settings like the PC interface baud rate don't
>survive a power cycle, but I can't see how that should effect PTT
>polarity. As above, any ideas about a setting the inverted that, or
>- where can I send this guy for repair, would be appreciated.
>These two could be related since the KPC and 910 were connected for
>a month or so. Perhaps one failure caused the other. Just speculating.
>Thanks in advance,
>jim at coloradosatellite.com
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