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Rider and Gary,

Will try these tips this morning and let you know how it goes. Thanks for the input. Should I use DeOxit to clean the contacts? My experience with solid state is very limited.

Marc

Problem solved: While thinking about the self oscillation on 10 and 12, I recalled that this was mentioned in the text of a mod that I had put in the rig several years ago. So I dug out the text and re-read it. It mentioned the need for a diode on the RF board that I had somehow failed to install. So, I checked the circuit board against the picture in the text, and installed the diode. Oscillations gone. I still find it odd that the rig worked fine for all these years until just recently. Moral of the story: Don't throw any reference material away. You never know when it will come in handy.

Thanks to Rider and Gary for your input. One never knows when a friendly bit of advice may just do the trick.

Marc

<blockquote data-quote="k7wxk" data-source="post: 450990" data-attributes="member: 38802">Rider and Gary,Will try these tips this morning and let you know how it goes.&nbsp; Thanks for the input.&nbsp; Should I use DeOxit to clean the contacts?&nbsp; My experience with solid state is very limited.MarcProblem solved:&nbsp; While thinking about the self oscillation on 10 and 12, I recalled that this was mentioned in the text of a mod that I had put in the rig several years ago.&nbsp; So I dug out the text and re-read it.&nbsp; It mentioned the need for a diode on the RF board that I had somehow failed to install.&nbsp; So, I checked the circuit board against the picture in the text, and installed the diode.&nbsp; Oscillations gone.&nbsp; I still find it odd that the rig worked fine for all these years until just recently.&nbsp; Moral of the story:&nbsp; Don&#039;t throw any reference material away.&nbsp; You never know when it will come in handy.Thanks to Rider and Gary for your input.&nbsp; One never knows when a friendly bit of advice may just do the trick.&nbsp; Marc</blockquote>

[QUOTE="k7wxk, post: 450990, member: 38802"] Rider and Gary, Will try these tips this morning and let you know how it goes. Thanks for the input. Should I use DeOxit to clean the contacts? My experience with solid state is very limited. Marc [B]Problem solved: While thinking about the self oscillation on 10 and 12, I recalled that this was mentioned in the text of a mod that I had put in the rig several years ago. So I dug out the text and re-read it. It mentioned the need for a diode on the RF board that I had somehow failed to install. So, I checked the circuit board against the picture in the text, and installed the diode. Oscillations gone. I still find it odd that the rig worked fine for all these years until just recently. Moral of the story: Don't throw any reference material away. You never know when it will come in handy. Thanks to Rider and Gary for your input. One never knows when a friendly bit of advice may just do the trick. Marc[/B] [/QUOTE]

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