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Re: MSF TX VCO issue


 

Thanks, Byron! I don't want to have to visit this beast often so I think a full recap is in order.

Tom
W9SRV

On Sunday, January 24, 2021, 05:37:06 AM CST, Bryon Jeffers K0BSJ <k0bsj@...> wrote:


Tom,
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I have had similar issues and all the problems were resolved by replacing/recapping the MSF uniboard, injection filter, IPA and interconnect board. Here is a link to help with the uniboard and injection filter <http://www.repeater-builder.com/motorola/msf/msf-uniboard-caps.html> and here is a link for the IPA? <http://www.repeater-builder.com/motorola/msf/msf-ipa-caps.html>. Next is the interconnect board <http://www.repeater-builder.com/motorola/msf/msf-ic-board-cap.html> and this 150 uf 16V cap is usually the main issue with the VCO's going in and out of lock.
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Hope this helps!
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Bryon Jeffers K0BSJ

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