Thanks for the suggestion Lyle. I'll check that out. I didn't have a speaker or headphones connected. From the SEC menu, I was not able to turn the DSP on. 73, Julius n2wn
--- Lyle Johnson <[EMAIL PROTECTED]> wrote: > > Finally had a chance to work on some of my kits. > > I had completed the DSP kit and just now am > installing > > it. > > > > No smoke > > That's good! > > > but the red LED remains on. > > That's not so good. > > >... > > Any suggestions? > > The LED comes on when the DSPx resets, and goes off > when it handshakes > with U1 on the KDSP2 board. > > Do you have any audio? If so, this indicates the > DSPx is initializing > and the problem might be associated with the LED > circuity or U1. > > Can you get a display by pressing AFIL? SF2 or CF2 > depending in mode, > for example. If so, this indicates that U1 is > probably working and there > may be a PCB problem or a DSPx problem. If not, U1 > may be the culprit. > > If you can safely probe J1 20 (on the DSPx while > plugged into the K2 and > switched on) you should see that pin 20 (DSPx reset) > is pulsed to ground > at turn-on, then rises to something over 3V. If it > stays low, the DSPx > is always being held in reset. If it never goes low, > the DSPx is not > getting reset. > > > 73, > > Lyle KK7P > > _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
