[BC] CONTINENTAL 315R-1 5KW AM TROUBLE

[Tom]

And someone else mentioned no drive... I imagine you checked THAT, though...

BTW - where did you find rack adapters for your head?  Mine's nowhere 
NEAR 19".... :-P

Tom S.

Tom wrote:
> First clue is the HV input reading - pegged meters.  Make sure they're 
> really seeing that much (HV probe time!), and it's not a shorted 
> multiplier resistor; then check backwards from that.  Possible causes 
> - open filter cap(s) in the power supply allowing excessive ripple, 
> problems with the transformer (not fully familiar with this PS, but 
> many transformers can be tapped / connected for various secondary 
> values allowing different transmitters to use same PS - and 
> up-powering any given box easier as a side benefit.  If there's a 
> lower value available, you might be able to connect the lower voltage 
> to at least get the rig back on the air.  The cure will be, in that 
> case, a new transformer.
> Also check - three-phase? - AC incoming; a floating phase might be 
> giving you more voltage in one leg than you're supposed to have.  
> Might be power pole pig, might be neutral, but if the incoming's not 
> right, you can get all SORTS of problems.  Had one back when I was 
> just starting out as an engineer - might have been a Continental, it's 
> been a while - that the power company provided three-phase with  
> what's called a "wild phase"; the reactance of the transformers 
> generate the third leg "virtually".  We kept popping rectifier stacks, 
> and nothing would help - MOVs, bypass caps, you name it.  Finally we 
> checked phase-to-phase and phase-to-neutral, both with and without the 
> transmitter on.  BIG difference!  I left shortly after that; not sure 
> who wound up paying for getting true three-phase service out there... 
> or if they did, even.
>
> HTH
>
> Tom S.
>
> BOYDSIRBOYD at aol.com wrote:  SNIPPED -