Hi Don, I had to order some resistors on line, got a box of them now. I am still not getting the voltage that I should be getting. I check for 12R voltage at the top of R16 and C29 and see nothing. 12R voltage comes from the K5 relay.
I check the run between K5 to R16 it looks good. I check the output of U4 and it is good. Looking at the schematics I think I should be getting 12 volts from U4 via K5 12R.. The schematics are showing K5 in it's natural state with no power apply. I am not seeing any connection between K5 and U4 (I am thinking pin1) or none of the pins on the board. I see where U4 should have 0 ohms to one of the pins in K5 but don't see it. Having problem finding the board run between U4 and K5. Am I reading this right? Thanks David From: Don Wilhelm-4 [via Elecraft] [mailto:[email protected]] Sent: Saturday, July 23, 2011 1:18 PM To: KJ4YQK Subject: Re: XV-144 Receiver RF Amp Bias Adjustments David, If you found zero volts at D3, then R12 is not fully soldered. OTOH, if you found close to 12 volts, D3 is not doing its job. Good luck on finding parts at RS if it is anything like the store in my area. 73, Don W3FPR On 7/23/2011 9:38 AM, KJ4YQK wrote: > Hi Don, > > > > Tnxs for the reply. I broke a resister R14, lifting one end to read. It > check good before the lead broke off. Head to Radio Shack to pick up a new > one. I did not get the 6.8 volt at the C4 D3 Junction. I will retouch the > solder joints with the iron to see if it comes back. Will pick up an extra > D3 while I am radio shack just in case. > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html _____ If you reply to this email, your message will be added to the discussion below: http://elecraft.365791.n2.nabble.com/XV-144-Receiver-RF-Amp-Bias-Adjustments -tp6612768p6613984.html To unsubscribe from XV-144 Receiver RF Amp Bias Adjustments, click here <http://elecraft.365791.n2.nabble.com/template/NamlServlet.jtp?macro=unsubsc ribe_by_code&node=6612768&code=ZGF2aWRAc2FsdWRhbGFicy5jb218NjYxMjc2OHwtOTQ4O Dk4OTcz> . -- View this message in context: http://elecraft.365791.n2.nabble.com/XV-144-Receiver-RF-Amp-Bias-Adjustments-tp6612768p6628400.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
