Hello Val,
You might want to look at the power supply connector(s) on the radio and
P/S cable. It is possible that the pin connections have aged and loosened
and are now getting warm or hot, and dropping some of the voltage between
the P/S and the radio.
That could explain the output drop.
73 - Glenn AE0Q
On Wed, Dec 9, 2009 at 10:53 PM, Val Erwin <valerwin@att.net> wrote:
> Omni VII-ites'
>
> I have an Omni VII that is appx. 2 years old. Over time, I have noticed a
> gradual decrease in RF output power.
>
> With 13.8 VDC measured at the radio power connector, the Omni VII
> digi-panel states: "Power 100W". Yet, when the RF output power is measured
> with a lab-grade 50-ohm load and either a Bird 43 or a calibrated
> oscilloscope, the measured RF power is actually on the order of 85 watts
> output, regardless of band.
>
> I suspect I have an aging component sitcheeashun'..........Is there an
> internal control to crank the RF back up to spec??
>
> TNX in advance for any feedback.........
>
> Val / W5PUT
>
--
"Remember, any tool can be the right tool!" Red Green
AE0Q ex: GM5BKC, ZB2WZ, V31RY, SV0WY, WA0VPK
ae0q@arrl.net --SOWP 5558-M, ARRL LM, QCWA LM, OOTC, NCVA--
http://www.radiotipsandtales.com
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