Dick, do you have a different power supply (with different cabling)
that you can swap in and check whether it has any effect on the
problem?
73,
Barry N1EU
On 9/30/07, Dick Green WC1M <wc1m@msn.com> wrote:
> My Orion-I is intermittently dropping RF during CW transmission. For
> example, if I send a stream of dashes, an external power meter fluctuates up
> and down around the intended power level, sometimes dropping out completely
> for a fraction of a second. The ALC light goes dark when this happens. I've
> only tested it on two bands, but it tends to happen more frequently on 40m
> than 20m. If I put the rig in TUNE mode, however, the output is steady as a
> rock. This suggests an ALC problem.
>
>
>
> Has anyone seen this symptom before? If so, were you able to correct it by
> tweaking the ALC adjust pot? Speaking of that, does anyone know the
> procedure for setting the ALC pot? I was thinking of marking the current
> position and making small adjustments up or down to see if that corrects the
> problem.
>
>
>
> BTW, the O-I in question is a used 2003-vintage rig I just bought to replace
> my O-I that was killed by lightning. The rig was sent back to the factory by
> the previous owner about a year ago for a minor repair, and all current
> updates were performed (I have the invoice.) The radio was tested and burned
> in for 24 hours. The radio wasn't taken out of the box after that service
> until I picked it up this afternoon.
>
>
>
> 73, Dick WC1M
>
>
>
>
>
>
>
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|