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Total 9 documents matching your query.

1. [TenTec] 937 PS troubleshooting (score: 1): Author: ARDUJENSKI@aol.com; Date: Thu, 4 May 2006 03:17:28 EDT; I got a report running the Scout that there was a chirp on the transmission. Checking the PS the voltage drops from 14.2 to about 10.3 vdc. I was hoping someone could help point me to where to start; /archives//html/TenTec/2006-05/msg00158.html (6,670 bytes)
2. Re: [TenTec] 937 PS troubleshooting (score: 1): Author: Al Gulseth <wb5jnc@gulseth.net>; Date: Thu, 4 May 2006 06:49:41 -0500; It's my understanding that the 937 is a relabeled Astron SL-11. I haven't found a schematic posted anywhere for it yet but the RS series especially the RS-10 or RS-12) are probably very similar elect; /archives//html/TenTec/2006-05/msg00163.html (8,901 bytes)
3. Re: [TenTec] 937 PS troubleshooting (score: 1): Author: "Ben K8DIT" <benk8dit@callatg.com>; Date: Thu, 4 May 2006 05:19:01 -0700; Alan, Its usually the power chord. Seating and reseating or just cleaning the contacts can make a difference. The other possibility within your powerchord from the p.s. to the rig is the plug itself,; /archives//html/TenTec/2006-05/msg00165.html (7,390 bytes)
4. Re: [TenTec] 937 PS troubleshooting (score: 1): Author: <ve1bn@ns.sympatico.ca>; Date: Thu, 4 May 2006 10:21:55 -0300; Check the filter cap. Looks maybe the dynamic range is poor. Don, VE1BN _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/l; /archives//html/TenTec/2006-05/msg00166.html (8,233 bytes)
5. Re: [TenTec] 937 PS troubleshooting (score: 1): Author: ARDUJENSKI@aol.com; Date: Thu, 4 May 2006 09:54:40 EDT; Don You will have to excuse my ignorance but if it was a filter cap woulDn't there be a slight hum on receive? I hope to get a look at the pass transistors and see if one is not working up to par Ala; /archives//html/TenTec/2006-05/msg00169.html (7,299 bytes)
6. Re: [TenTec] 937 PS troubleshooting (score: 1): Author: <ve1bn@ns.sympatico.ca>; Date: Thu, 4 May 2006 13:08:20 -0300; Alan - The receive current is much less than when transmitting, Something like an amp or so receive and 10A or whatever transmit. I don't know the Scout's requirements. Voltage shouldn't drop when re; /archives//html/TenTec/2006-05/msg00172.html (9,363 bytes)
7. Re: [TenTec] 937 PS troubleshooting (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Thu, 04 May 2006 10:01:35 -0500; I'd first suspect output cable connections, especially at the radio. Tentec and others have had problems. Then the fuse in the output DC circuit, then one of the pass transistors is likely open and t; /archives//html/TenTec/2006-05/msg00174.html (8,966 bytes)
8. Re: [TenTec] 937 PS troubleshooting (score: 1): Author: CATFISHTWO@aol.com; Date: Thu, 4 May 2006 16:18:37 EDT; try running a substantial ground strap from the rig to the powersupply, something in a braid would be best. My Orion was having "screen fade" on voice peaks and the ground helped with the voltage dro; /archives//html/TenTec/2006-05/msg00202.html (8,266 bytes)
9. Re: [TenTec] 937 PS troubleshooting (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Fri, 5 May 2006 14:49:59 -0500; The sagging power supply either does not have the inherent current ampacity needed by the Scout, (9 to 10 amps at 13.8 Volts DC) or the capacitors are going and do not have the microfarads to do the; /archives//html/TenTec/2006-05/msg00243.html (8,186 bytes)

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