81536 HV Board schematic for my centurion 422 amp just for Robb. Yes I did
understand.
It shows the three factory supplied relays on the board ... The ones you say
don't exist.
> On Feb 2, 2014, at 8:28 PM, "Robb Urie" <rurie@bajabb.com> wrote:
>
> Then this amp is certainly not stock...High voltage is applied via the high
> voltage rectifier board 81538, there are no relays in the original design.
> Perhaps the ham who sold it to you modified it without either documenting it
> or failing to tell you. Before complaining about poor quality transformers
> from Ten Tec, maybe a better understanding of exactly what your amp really is
> would have been better.
>
> Your original post did state "Only blows the fuse when switched to operate"
> caught my attention. I also found that strange, but did not respond as you
> seemed to have found the primary shorted. I have had two 422's, a late one
> that went "Bang" resulting in a new set of HV caps and an early model that
> seems to be working just fine. At one time, the 422 was a good value, but
> now at the current price point I would have to look elsewhere if I was in the
> market.
>
> Keep us posted when you get your transformer back.
>
> 73,
>
> Robb N0RU
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