[Amps] Ten Tec Titan Power Supply

[Jim]

Ken

Can you send me a wide view picture of the short please and I'll post it.


Thanks
73
Jim W7RY

On 3/24/2020 7:11 PM, Ken Claerbout wrote:
> Thanks to everyone for the assistance!  Mark N1UK has one of these and
> in fact his flashed over at the very same point this one did, where
> the HV from the transformer feeds the rectifier stack and the ground
> trace on the rectifier board.
>
> I think it would be prudent to replace the caps and some of the other
> components on the board since it's out on the bench.  But I'll leave
> that decision to the amp owner.
>
> 73
> Ken K4ZW
>
>
> On Tue, Mar 24, 2020 at 5:33 PM Ken Claerbout <kenk4zw at gmail.com> wrote:
>> I have a Titan "Golden Series" amp and power supply here that I was
>> asked to test.  It fired up fine the first time.  Later I turned it
>> on, and a bang came from the power supply.  The RF deck is fine.  It
>> works with other supplies.  The transformer appears to be OK too, at
>> least there is no DC short and none of the fuses blew.
>>
>> This power supply is different from all the others I have worked on in
>> that it has the rectifier and filter caps on one board.  Along with
>> 20A line fuses on the chassis, there is a fuse on the 28 volt supply
>> as well as the soft start.
>>
>> Does anyone have a schematic for this style power supply?  I'm sure I
>> can figure it out eventually, just hoping I might save some time if
>> the schematic is available.
>>
>> 73
>> Ken K4ZW
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