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1. Re: [TenTec] Hercules II 420 Remote Molex Male Plug (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Thu, 20 Aug 2020 20:22:54 +0000; I searched for months before finding these numbers. There is a kit that contained the male and female as well as pins. I found one kit which had the parts numbers for the shells alone and pins. Googl; /archives//html/TenTec/2020-08/msg00031.html (8,162 bytes)
2. Re: [TenTec] Hercules II 420 Remote Molex Male Plug (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Thu, 20 Aug 2020 20:23:44 +0000; I forgot to say the multiple numbers are the same part Gary K4MT On the back of the 420 is a 3 row 15 pin molex female plug that is used for remote band switching. I want to enable the 420 to change; /archives//html/TenTec/2020-08/msg00032.html (7,799 bytes)
3. [TenTec] 253 autotuner stepper motor (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Mon, 06 Jan 2020 08:44:23 -0500; Has anyone had a failure and found a sub for the stepper motor in the 253 autotuner? It has part number PF-42-48X4 18 ohm and no manuf stamp. I removed and disassembled /lubed roller inductor but mot; /archives//html/TenTec/2020-01/msg00033.html (7,845 bytes)
4. [TenTec] 253 autotuner stepper motor (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Mon, 06 Jan 2020 11:49:00 -0500; If any cares but me, I have found a source for these motors. They are available at Servo2Go. I was given a quote of 51 dollars each but min order of 5. Had another quote of $114 and I am checking to; /archives//html/TenTec/2020-01/msg00034.html (7,783 bytes)
5. Re: [TenTec] 253 autotuner stepper motor (score: 1): Author: k4mt1950@charter.net; Date: Mon, 06 Jan 2020 12:43:05 -0500; Thanks. I will keep an eye out but tentec only made 400 of them and I am sure many of those are in a scrap yard somewhere. The company I found will make me one but they have min order of 180 and 30 s; /archives//html/TenTec/2020-01/msg00036.html (8,954 bytes)
6. Re: [TenTec] 253 autotuner stepper motor (score: 1): Author: k4mt1950@charter.net; Date: Mon, 06 Jan 2020 13:30:31 -0500; that call shows up as a John Mullins so maybe his call has been changed Gary K4MT Drop Fred N8YX a note (sorry, I don't have his direct email handy). He's worked on a few of these, he may know of ano; /archives//html/TenTec/2020-01/msg00038.html (9,707 bytes)
7. Re: [TenTec] 253 autotuner stepper motor (score: 1): Author: k4mt1950@charter.net; Date: Mon, 06 Jan 2020 15:50:03 -0500; Thanks. I will contact him. No, that's him. N8YX goes by his middle name (Fred), at least for RF purposes! 73 that call shows up as a John Mullins so maybe his call has been changed Gary K4MT Drop Fr; /archives//html/TenTec/2020-01/msg00040.html (10,326 bytes)
8. [TenTec] 253 autotuner stepper motor (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Tue, 07 Jan 2020 13:28:16 -0500; Again for any of the few 253 (only 400 ever sold) owners who care the following info may be of interest. I have discovered the problem. After watching the operation of the roller inductor and talking; /archives//html/TenTec/2020-01/msg00042.html (8,398 bytes)
9. [TenTec] Omni C PA bias (score: 1): Author: Gary H <k4mt1950@charter.net>; Date: Fri, 13 Dec 2019 20:29:35 -0500; I am working on an Omni C for a new ham and it has PA bias issues. I can see and adjust thr\e driver bias but PA bias adj on the bias/OT board does nothing. I measure .7 volts on the bases of the PA; /archives//html/TenTec/2019-12/msg00012.html (7,549 bytes)
10. [TenTec] Need knob 253 auto tuner (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Tue, 20 Aug 2019 07:31:27 -0400; I have acquired a nicely working 252 tuner but the ant select knob has been replaced with a non tentec knob. Looks like its the same knob used on corsair and Hercules and maybe others. Does anyone ha; /archives//html/TenTec/2019-08/msg00053.html (6,673 bytes)
11. [TenTec] Hercules II Power meter (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Sat, 1 Jun 2019 14:27:25 -0400; I just acquired a Hercules II and the power meter lights the red bars at about 400 watts. I looked at the control board and saw an adj named bar. Is that the adjustment? Also saw two pots that say AG; /archives//html/TenTec/2019-06/msg00007.html (6,944 bytes)
12. [TenTec] 9420 VS Switcher (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Sun, 2 Jun 2019 04:50:27 -0400; I have been looking at the schematic for my 9420 supply and it looks like the output of the series regulators have no over voltage protection. If my memory doesnt fail me I think when I was working a; /archives//html/TenTec/2019-06/msg00010.html (7,511 bytes)
13. [TenTec] Hercules II PA Bias (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Mon, 10 Jun 2019 10:18:19 -0400; I wanted to check to bias on my new Herc II. I have read that you disconnect the blue wires and place an amp meter and key amp with bias reading 500 MA per pair. All of mine read 1.5 A for each pair; /archives//html/TenTec/2019-06/msg00035.html (6,740 bytes)
14. [TenTec] Hercules II remote connector source found (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Thu, 27 Jun 2019 16:04:32 -0400; I have found a temp source of the connector and pins that fit the Hercules II remote connector. I just got my order in and it plugs into the back of the Herc II. Check on Ebay Item 263758334698. He h; /archives//html/TenTec/2019-06/msg00081.html (6,866 bytes)
15. [TenTec] 9420 manual (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Wed, 29 May 2019 18:42:42 -0400; I dont know why I am having problems finding a manual for the 9420 power supply. I must be searching for the wrong thing. Where can I get the manual? Thanks Gary K4MT; /archives//html/TenTec/2019-05/msg00053.html (6,515 bytes)
16. Re: [TenTec] 9420 manual (score: 1): Author: k4mt1950@charter.net; Date: Fri, 31 May 2019 01:45:29 -0400; Hi Ken: I have received a copy of the manual in PDF. Thanks for your help Gary K4MT Looked in My Hercules II book and found a complete manual for the 9420 power supply. If you still haven't found the; /archives//html/TenTec/2019-05/msg00063.html (8,026 bytes)
17. [TenTec] Jupiter Display brightness (score: 1): Author: "Gary Hendricks" <k4mt1950@charter.net>; Date: Thu, 19 Jul 2018 07:48:54 -0600; It seems my jupiter display is not as bright as it should be. It was this way when I got it and dont have another radio to compare it with but pictures I see online seem to have a much brighter scree; /archives//html/TenTec/2018-07/msg00042.html (8,088 bytes)
18. Re: [TenTec] Jupiter Display brightness (score: 1): Author: k4mt1950@charter.net; Date: Fri, 20 Jul 2018 06:41:16 -0600; Does the ribbon cable from the display to circuit board unplug at the main board? I have looked but afraid to pull on it. Unsoldering those pins on the display board might be a challenge without gett; /archives//html/TenTec/2018-07/msg00061.html (14,359 bytes)
19. [TenTec] Scout Meter (score: 1): Author: Gary Hendricks <k4mt1950@charter.net>; Date: Thu, 7 Jun 2018 06:01:03 -0400; I have a scout with a dead meter. I took it completely apart but the coil is open and no bad solder connections. Obviously this meter is not avail but am looking for a sub. Does anyone know what thi; /archives//html/TenTec/2018-06/msg00007.html (7,479 bytes)
20. Re: [TenTec] Omni VI frequency jumping/drifting (score: 1): Author: k4mt1950@charter.net; Date: Thu, 28 Jun 2018 07:40:06 -0600; Stan: I have had the exact same problem with my Omni VI. There is a procedure to properly adjust band crystals. It is: Omni VI Lock PulseRig should be on for at least 1/2 hour.Check 10MHz REF at pin; /archives//html/TenTec/2018-06/msg00100.html (10,267 bytes)

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