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21. Re: [TenTec] Omni VI frequency jumping/drifting (score: 1): Author: k4mt1950@charter.net; Date: Thu, 28 Jun 2018 08:29:29 -0600; It does it on all bands and you will never notice it in normal operation. If I tune in carrier on WWV and watch it in fldigi I can see the freq vary a bit back and forth and the WWV carrier looks lik; /archives//html/TenTec/2018-06/msg00103.html (12,458 bytes)
22. Re: [TenTec] Omni VI frequency jumping/drifting (score: 1): Author: k4mt1950@charter.net; Date: Thu, 28 Jun 2018 08:34:13 -0600; I have been over entire PLL circuit and resoldered all the connections. Also inspected entire logic board for bad solder. I think the PLL circuit analog components are too temp sens. I could heat it; /archives//html/TenTec/2018-06/msg00104.html (12,326 bytes)
23. [TenTec] Omni VI 5 MHz PLL (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Fri, 29 Jun 2018 16:35:51 -0400; Has anyone done any adjustments to the main PLL board. I notice with MO at 20 MHz and BFO crystals right on and mixer crystals adjusted, the radio is 100 Hz off freq. I have to mis-adj MO to get rad; /archives//html/TenTec/2018-06/msg00113.html (7,045 bytes)
24. [TenTec] Third Party Omni VI Plus TXCO (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Thu, 3 May 2018 12:01:44 -0400; My Omni VI seems to drift some on all bands and I am wondering if anyone has used any third party TCXO or OCXO on their radio. I see lots of choices on Ebay and was curious if anyone has tried any of; /archives//html/TenTec/2018-05/msg00008.html (6,928 bytes)
25. [TenTec] Omni VI Plus freq Adj (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Mon, 7 May 2018 13:56:00 -0400; I see this beat to death here but I have a question about peculiarities on this radio. I have seen to adj the BFO first and MO last. I have a very accurate HP counter referenced to 10 MHz stnd. Als; /archives//html/TenTec/2018-05/msg00022.html (7,948 bytes)
26. [TenTec] Omni VI Plus Freq Adjustment further (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Mon, 7 May 2018 15:31:46 -0400; Any Idea on what I am missing? I set MO for 20 MHz and BFO per spec and radio TX/RX tracks perfectly but display rads high. For example on 3700 it reads 3700.20 to be dead on freq. That reading the; /archives//html/TenTec/2018-05/msg00023.html (6,918 bytes)
27. [TenTec] Omni VI Logic board layout error (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Tue, 29 May 2018 10:32:23 -0400; I have been watching the PLL circuit operate on my omni VI and in particular the control voltage fed to the osc board to pull band crystal frequencies. I noticed after the radio was warmed up the co; /archives//html/TenTec/2018-05/msg00082.html (8,590 bytes)
28. [TenTec] Need RF choke (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Tue, 29 May 2018 16:43:52 -0400; I am working on another tentec omni VI and I have a bad RF choke in the collector circuit for the pre driver. Manual says 100 so I assume 100 Uh but cant seem to locate a sub that is higher than 6; /archives//html/TenTec/2018-05/msg00083.html (6,991 bytes)
29. [TenTec] Jupiter output power (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Sun, 15 Apr 2018 19:16:10 +0000; I was looking at purchasing a jupiter as a backup rig. Here is the power output per band 1.900 Mhz 110 Watts 3.750 Mhz 120 Watts 7.150 Mhz 110 Watts 10.125 Mhz 110 Watts 14.175 Mhz 110 Watts 18.110 M; /archives//html/TenTec/2018-04/msg00060.html (7,635 bytes)
30. [TenTec] Jupiter Output Power (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Mon, 16 Apr 2018 03:58:41 -0600; Thanks very much for the info. Looks like the radio is OK. I should have remembered because I was working at Tentec at the time the Jupiter was released. But memery had failed me. Thanks Gary K4MT; /archives//html/TenTec/2018-04/msg00064.html (7,249 bytes)
31. [TenTec] Jupiter serial numbers (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Tue, 17 Apr 2018 03:40:25 -0600; I cant remember what tetnec serial numbers did when I product had a long run. For example a jupiter with ser no 0!C10331, and knowing last number is usually year but when radio was produced from 2000; /archives//html/TenTec/2018-04/msg00068.html (7,062 bytes)
32. [TenTec] omni VI plus TX power (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Sat, 21 Apr 2018 16:52:52 -0600; I just acquired a very nice omni VI plus and it works great. Only thing so far that seems off is TX power is way over 100 W. ALC seems to be working as I can adjust it to 100 W with drive control. Is; /archives//html/TenTec/2018-04/msg00075.html (6,756 bytes)
33. [TenTec] Omni VI Plus front panel issue (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Mon, 23 Apr 2018 10:16:33 -0600; I have one problem on my Omni VI Plus that I cant locate. When I press MS or MT or LP or NR the lights next to the buttons do not light or at times if I press NR the MS light comes on or when I press; /archives//html/TenTec/2018-04/msg00082.html (7,270 bytes)
34. [TenTec] Omni VI Plus front panel (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Mon, 23 Apr 2018 12:30:35 -0600; I can not find a schematic that shows the MS MT LP AND NR buttons and where they go to on I assume the logic board. Anyone know where that schematic might be found Gary K4MT; /archives//html/TenTec/2018-04/msg00086.html (7,624 bytes)
35. Re: [TenTec] Omni VI Plus front panel (score: 1): Author: k4mt1950@charter.net; Date: Mon, 23 Apr 2018 14:08:23 -0600; Yes I saw that page but if diodes in diag are supposed to be the leds there is none for LP or NR. Can not find those LEDS referenced anywhere Gary K4MT The buttons/switches are shown in figure 4-34 o; /archives//html/TenTec/2018-04/msg00088.html (8,599 bytes)
36. Re: [TenTec] Omni VI Plus front panel (score: 1): Author: k4mt1950@charter.net; Date: Mon, 23 Apr 2018 14:21:35 -0600; Looks like 91 and 92 are the switches from keypad. They show the NR and LP buttons but no LEDs with those names or am I missing something Thanks Gary K4MT The lines come into the logic board on the b; /archives//html/TenTec/2018-04/msg00090.html (8,924 bytes)
37. Re: [TenTec] Omni VI Plus front panel (score: 1): Author: k4mt1950@charter.net; Date: Mon, 23 Apr 2018 14:46:30 -0600; Barry: I found the problem. Conn 96 now feeds the leds I was talking about. The plug on the logic board someone had plugged in a pin off Now all is well Thanks Gary K4MT The lines come into the logic; /archives//html/TenTec/2018-04/msg00091.html (8,952 bytes)
38. [TenTec] PA Bias Omni VI Plus (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Tue, 24 Apr 2018 02:46:14 -0600; I know the manual has left out a step but I have seen here what is mentioned as the proper procedure. What I have read is you turn both bias pots to lowest level and then adjust R 15 PA bias for 50 m; /archives//html/TenTec/2018-04/msg00096.html (7,039 bytes)
39. [TenTec] Omni VI Plus PA Bias (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Tue, 24 Apr 2018 02:52:33 -0600; I just looked at the Omni V manual and it is adjusted just like mine was. If so procedures I have seen here will cause too much driver bias and not enough pa bias. The Omni V says adjust driver bias; /archives//html/TenTec/2018-04/msg00097.html (6,687 bytes)
40. [TenTec] Omni VI PA bias update (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Tue, 24 Apr 2018 03:54:26 -0600; I have done a lot of research. If you get the 563 manual from the Tentec site it says driver bias 50 ma and PA 500 MA increase. Also my friend Garry Greene who worked with me at tentec says. Garry Gr; /archives//html/TenTec/2018-04/msg00098.html (6,778 bytes)

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