I followed the unit test procedure and it failed on filter output detector output variable att,auto range att,duplex detector(no signal) Thank You, Ian Wells, Kerinvale Comaudio, 361 Camboon Road.Biloela.4715 Phone 0749922574 or 0409159932 www.kerinvalecomaudio.com.au -------Original Message------- From: Scott Zimmerman Date: 31/07/2009 01:06:39 To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Hp 8921a test set Any handheld or mobile radio will work. A scanner would even be appropriate.
Scott Scott Zimmerman Amateur Radio Call N3XCC 474 Barnett Road Boswell, PA 15531 kerinvale wrote: > > > Ill try that .which is ht you refer to > > Thank You, > Ian Wells, > Kerinvale Comaudio, > 361 Camboon Road.Biloela.4715 > Phone 0749922574 or 0409159932 > www.kerinvalecomaudio.com.au <http://www.kerinvalecomaudio.com.au/> > > /-------Original Message-------/ > > /*From:*/ Scott Zimmerman <mailto:n3...@repeater-builder.com> > /*Date:*/ 30/07/2009 11:08:31 > /*To:*/ Repeater-Builder@yahoogroups.com > <mailto:Repeater-Builder@yahoogroups.com> > /*Subject:*/ Re: [Repeater-Builder] Hp 8921a test set > > > > Ian, > > I did the same thing. (easy to do isn't it!!) > > I ran the internal tests before and after the repairs and there was a > significant difference. That's what I did to be sure it was working OK. > I must admit, it's probably not as good as sending it somewhere for > calibration, but on a ham budget, it works OK enough. > > You could always hook your HT to the I/O port and check sensitivity then > connect it to the duplex port and see if it's about the same. That's a > REAL easy benchmark. > > Scott > > Scott Zimmerman > Amateur Radio Call N3XCC > 474 Barnett Road > Boswell, PA 15531 > > kerinvale wrote: > > > > > > I accidently hooked up my test leads to my 8921a wrong and introduced > high > > Watts into the duplex out socket .Removed the a23 module and found > the cr203 > > And cr501 burnt out in the duplex switch .I have replaced them and > the unit > > Seems to be working again .Can anyone suggest simple ways to check the > > Duplex and ant in section to make sure there isn't any more parts > damaged . > > > > Thank You, > > Ian Wells, > > Kerinvale Comaudio, > > 361 Camboon Road.Biloela.4715 > > Phone 0749922574 or 0409159932 > > www.kerinvalecomaudio.com.au <http://www.kerinvalecomaudio.com.au/ > <http://www.kerinvalecomaudio.com.au/>> > > > > > > > > > > > > > > > > > > > > > > ---------------------------------------------------------- > > > > > > No virus found in this incoming message. > > Checked by AVG - www.avg.com > > Version: 8.5.392 / Virus Database: 270.13.35/2271 - Release Date: > 07/29/09 18:07:00 > > > > > > > > > > > > ---------------------------------------------------------- > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 8.5.392 / Virus Database: 270.13.35/2271 - Release Date: 07/29/09 18:07:00 >
