[1000mp] Noise on Carrier

[Pete Smith]

At 01:36 PM 2/13/04 -0500, you wrote:

>The FP-29 for the Mark V is a PWM (Switching) supply, and the output
>voltage is switching at approximately 55Khz (depending on load), before
>rectification, so I don't think that it would sound like you described if
>there
>was a little leakage in the output filter caps.  In fact there are only 3 -
>1,200uf/50V
>caps in parallel and a filter inductor on the output since there isn't much
>to filter with ripple that high in frequency.  I've had the pleasure to
>repair a number
>of FP-29's so far, and hopefully you will find a simpler solution such as
>Steve
>mentioned.  Good luck.
>

Gee, I wish I'd known you were out there when mine blew up and Yaesu wanted 
over $600 to repair it, more than the cost of a new supply.


73, Pete N4ZR
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