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21. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: "Robb Urie" <rurie@mywdo.com>; Date: Mon, 17 Jan 2011 11:23:36 -0700; How about "Paperweights" or "Door stops"? I have an Omni 6+, original owner and just hope not to have the dreaded Logic board failure. But along with my B/C-line and TR-7 Drakes, the Ten Tec's just k; /archives//html/TenTec/2011-01/msg00408.html (18,864 bytes)
22. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: NL7VL <neal.laugman@gmail.com>; Date: Mon, 17 Jan 2011 13:19:03 -0600; Robb, I was actually referring to the glut of TT rigs on ebay and elsewhere. I plan on contacting Ten-Tec tomorrow and discussing some possibilities with them regarding this matter. Having a spare is; /archives//html/TenTec/2011-01/msg00410.html (21,196 bytes)
23. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: "jack b friend" <jfriend31@comcast.net>; Date: Mon, 17 Jan 2011 14:30:09 -0700; an extra rig of the sort one likes to use is surely a comfort, even if expensive. I like the idea of having a spare just in case. you can see that at QRZ when you search on AK7O. jack Robb, I was act; /archives//html/TenTec/2011-01/msg00412.html (22,324 bytes)
24. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: mike bryce <prosolar@sssnet.com>; Date: Mon, 17 Jan 2011 16:45:14 -0500; I've been reading this thread here and there and I'm sure I've missed some of the finer details So, my question is simple. The logic board failure. Is it due to the microprocessor failure or the enti; /archives//html/TenTec/2011-01/msg00413.html (11,179 bytes)
25. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Mon, 17 Jan 2011 16:05:29 -0600; Given a working Omni VI to compare too (and borrow some parts from) it appears to be fairly practical to keep working though my first attack would be to connect around the DSP to minimize the work re; /archives//html/TenTec/2011-01/msg00414.html (11,084 bytes)
26. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Mon, 17 Jan 2011 16:30:15 -0600; According to the schematics in the downloaded Omni VI manual, the processor is an 80C32 using external memory and ROM. The memory chip is not very common, but Jameco has some. The CPU chip is availab; /archives//html/TenTec/2011-01/msg00416.html (12,847 bytes)
27. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: NL7VL <neal.laugman@gmail.com>; Date: Mon, 17 Jan 2011 18:55:27 -0600; My experience in field troubleshooting in the days of discrete components and early TTL/CMOS was that 90% of problems always had a relationship to a connection - be it an IC socket, bad solder joint,; /archives//html/TenTec/2011-01/msg00420.html (12,257 bytes)
28. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Mon, 17 Jan 2011 19:01:02 -0600; Point is, the ONLY custom chip is the EPROM, I have a shoe box full, but don't have the TenTec Omni VI code. 73, Jerry, K0CQ _______________________________________________ TenTec mailing list TenTec; /archives//html/TenTec/2011-01/msg00421.html (11,085 bytes)
29. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: Ken Brown <ken.d.brown@hawaiiantel.net>; Date: Mon, 17 Jan 2011 15:11:34 -1000; How hard is it to remove that chip from a working rig, plug it into some sort of board with power and interface electronics, and read the code out of it, into a PC? Having done that would it be a co; /archives//html/TenTec/2011-01/msg00422.html (10,818 bytes)
30. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: NL7VL <neal.laugman@gmail.com>; Date: Mon, 17 Jan 2011 19:13:30 -0600; OK - gotcha. We'll see what happens. But is it the EPROM? I didn't see where anyone said it was the problem for sure. -- Neal, NL7VL -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-; /archives//html/TenTec/2011-01/msg00423.html (11,688 bytes)
31. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Mon, 17 Jan 2011 20:07:22 -0600; From a distance we have NO way to tell if its the EPROM. But a whole string of Kenwoods had a problem with EPROM sockets so the factory solution was to solder the EPROM in after pulling the socket. A; /archives//html/TenTec/2011-01/msg00426.html (12,898 bytes)
32. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Mon, 17 Jan 2011 20:15:31 -0600; With the EPROM programmer card attached to my old DOS computer (third to the right of this computer on my desk) it would take longer to boot the computer and set the EPROM parameters than to read it; /archives//html/TenTec/2011-01/msg00427.html (12,192 bytes)
33. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: Ken Brown <ken.d.brown@hawaiiantel.net>; Date: Mon, 17 Jan 2011 18:37:33 -1000; It only has to have "meaning" to the other chips it communicates with, if we are just duplicating it to replace a bad one. We only need to know the meaning of it all if we are attempting to modify i; /archives//html/TenTec/2011-01/msg00428.html (10,973 bytes)
34. Re: [TenTec] Omni 6 Logic Board Failure (score: 1): Author: "Don Jones" <ko7i@comcast.net>; Date: Mon, 17 Jan 2011 20:41:14 -0800; No kidding - 2 OMNI VI+'s for sale in one day. Interesting... kind like the TS-850's. Neal, I found the comments regarding the drop in replacement chips encouraging. I have saved that message and cur; /archives//html/TenTec/2011-01/msg00429.html (17,693 bytes)

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