[1000mp] Need help with FT-1000D

[Morris Wideman]

What if someone has reversed the leads?
 
--

On Sat, 5 Jan 2002 00:04:48   
 Harrison Thomas wrote:
>Here's the problem:
>Panel meter on FT-1000D shows high SWR with the power contol turned
>all the way down. No difference with the tuner in or out. When the
>power control is turned up, The SWR meter pegs.
>
>With a Bird watt meter inserted into the following places no SWR is
>detected:
>(1) J7201 input to the LP Filter board
>(2) J7207 output of the LP filter board
>(3) Between the antenna jack and an external dummy  load.
>
>The Protection Unit board cuts the output power back to just a few
>watts.
>DC voltage measured at J7204, output  of the LPF board shows
>reflected voltage is higher than the forward voltage.
>
>With the plugs removed from jacks J7203 and J7204 of the LPF Unit,
>the output power into the dummy load comes back up to the rated power
>of the FT1000-D with no SWR. (But, of course, there is no meter
>reading of power and SWR on the panel meter.)
>
>Diodes D7202 and D7204 were changed but the problem remains.
>Has anyone on the list been through this one before?
>Regards,
>Tom
>vq9wb
>Diego Garcia
>
>
>
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