[TenTec] Omni V PLL Board rework question

Bwana Bob wb2vuf at qsl.net
Mon Aug 11 21:12:24 EDT 2003


Frank:

Yes, reflowing the solder is definitely the fix. On my Paragon, I also
found some balun coils and electrolytic caps that were microphonic. I
coated the coils with clear nail polish and replaced the caps with
tantalum types.
			
				73,

				Bob WB2VUF

Frank Ayers wrote:
> 
> Hi all
> Recently my Omni V has displayed an intermittent problem - while listening
> to a signal it will get very "watery" sounding and then go away all
> together. I called Tentec and the guy I spoke with seemed to thing it was a
> matter of the PLL unlocking (which is what it sounded like to me). He
> suggested that if I was willing to try repair myself, I should take out the
> PLL board and re-solder all the stuff around the osc can. It seems that
> there is compound in there that over time can cause problems from heating
> and cooling and that this a somewhat common occurance. Not that all rigs
> have it, but of those that do, the connection problem is the usual answer.
> My question - has anybody done this and is there anything that I should be
> on the lookout for? I would much rather fix this myself that ship it out and
> have UPS do the final stress test for me.
> 
> Frank
> W2FCA
> 
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