[TenTec] Need Schematic to 962 Power Supply or Part info forbridgerectifier

[Jerry Volpe]

Mike Hyder -N4NT- wrote:

>I do not believe a 25 volt rating on the bridge would be adequate.  I'd 
>suggest at least 50 volts.
>
>73, Mike N4NT
>
>----- Original Message ----- 
>From: "NJ0IP" <Rick at DJ0IP.de>
>To: <kg6tt at tomorrowsweb.com>; <tentec at contesting.com>
>Sent: Sunday, December 26, 2004 1:25 AM
>Subject: RE: [TenTec] Need Schematic to 962 Power Supply or Part info 
>forbridgerectifier
>
>
>Jerry,
>
>I have the schematics for both the 961 and the 962.
>
>If I understood you correctly, you are specifically looking for a part
>number for the bridge rectifier.
>
>Well, the problem is, according to my two schematics, the 961 used a bridge
>(D4) and the 962 uses discrete diodes (D7,D8,D9,D10).  However the
>description of how that part of the circuit works is exactly the same as for
>the 961.  Seems they just copied the text without checking its compliance
>with the schematic.  Also, there is no description of D7-D10 in the parts
>list.  I checked the 961's list and it doesn't say what the bridge is
>either.
>
>However this is not rocket science.  Just use a general purpose bridge
>capable of more than 25 amps and 25+ volts.  Should be able to find one at
>local Radio Shack.
>
>I will be happy to email you the schematic of either or both.  My 962
>schematic is 660 KB and my 961 schematic is 1 MB.  However, I don't think
>either of these matches what you describe.  Sounds to me like you have a
>961.5 !
>
>Let me know if I can help.
>
>73
>Rick
>
>
>-----Original Message-----
>From: tentec-bounces at contesting.com [mailto:tentec-bounces at contesting.com]
>On Behalf Of Jerry Volpe
>Sent: Sunday, December 26, 2004 6:42 AM
>To: tentec at contesting.com
>Subject: [TenTec] Need Schematic to 962 Power Supply or Part info for
>bridgerectifier
>
>Darn!
>
>This morning my Omni-VI+'s 962 power supply died. Blew its 5amp primary
>fuse. I wasn't even transmitting when this happened... just listening.
>Anyway, I isolated at least part of the problem, I hope the entire
>problem, to a partially shorted bridge rectifier (two of the four diodes
>show total shorts both ways). As I wrote, hopefully this is the entire
>problem and not a secondary issue caused by s short in the regulators.
>Anyway a good place to start.... Except:
>
>I only have schematics to 960 and 961 Power Supplies. I have no idea
>where my 962 manual went to :(
>Yes, I know I can get a replacement manual from Ten-Tec and I will order
>one next week, but for now does anyone have the schematic of the 962
>that they can email me? If not can you at least look up in your manual
>and send me any information shown there for this bridge rectifier? A
>manufacture's part number would be a good starting point. Specs would be
>nice... maybe I can buy a part locally. Kinda poor of this to go out
>during vacation week :(
>
>Fortunately I have my Paragon!
>
>Holiday Best Wishes Continues!
>Jerald, KG6TT
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>
>  
>
Those where the specs taked right from the manufacture's site for the 
bridge I removed. Interestingly, the bridge in the 960 is a 35 amp 
version. I put the Radio Shack bridge in and all is working ok for now. 
I'll order a correct replacement from Ten-Tec. Thanks for the assist.

73,
Jerry, KG6TT