Jeff,
I am not real familiar with the 280 PS but this is a common problem with
thw 961 supply. Look at the large filtrer caps in the PS and tighten the
screws on top pf the caps. The other ting to look for is if the 280 has a
current limit adjustment pot, it may have developed a bad spot. Sometimes
just rotating the pot a bit to clean the contact resolves the problem.
Hope this helps
73's Terry N4TB
At 00:36 4/21/03 -0500, you wrote:
> While adjusting my MFJ antenna tuner, my Omni C kicked out of transmit
>(too high an SWR I assume). In the past, just shutting the rig down then
>powering up would reset it. Now every time I key the mic or use the lock
>position, it shuts down but will return to receive when unkeyed. The Omni
>and the 280 power supply both turn off on transmit but works fine in
>receive. Both the fuse on the power supply and the radio check fine with an
>ohm meter. What have I blown? ( I do have the owner's manual but I there's
>no troubleshooting section.
>
>Thanks,
>Jeff
>http://www.qsl.net/ka9dad/
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