Jess, Make sure you have the jumpers installed in place of R18 & R19 on the bottom of the control board. These jumpers provide the path for the output of the product detector U11 on the RF board.
If no go, check the RF board jumpers W1, W6, W5, W2 and W3 to make sure the RF is getting to the receiver preamp, mixer, the variable bandwidth crystal filter and then to the IF Amp and Product detector. >From the product detector, PD1 and PD2 go through RF board J7 to P2 on the control board. On the control board, you've got Q6 and Q7 which disconnect the AF amp when transmitting. On Wed, 17 Aug 2005 19:17:32 -0600, "Jess Gypin" <[EMAIL PROTECTED]> wrote: >I am testing the 40 meter receive and peaking filters at stage II testing. I >got the problem with the PLL licked and everything was working as >advertised. Now I cannot get any audio out of the radio. No hum, no hiss, >nothing with an antenna connected. I do get side tone and spot tone, so that >tells that the audio amp is working. > >Where should I start? > >Jess EACH > > >_______________________________________________ >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 _______________________________________________ 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
