[Kenwood] TS-930S

[Martin Sole]

I owned one for a while some years ago along with a bunch of TS-940's. 
In their day they were a very nice radio and a strong performer 
generally. Today their shortcomings are a bit more noticeable. Filter 
blow by and AGC pumping, particularly in a heavy pile up or contest 
condition can soon become quite annoying. The lack of a second receiver 
that only came with the TS-950 is a bit of an issue with dx chasing for 
some. The 940 could do pc control with some options fitted but this is 
only possible on a 930 with a 3rd party board I think.

The power supply shortcomings are well known and you would be advised to 
read the extensive document prepared by W6NL 
https://www.kkn.net/~k5tr/ts930fix/w6nl930.pdf
This explains the power supply problems with over dissipated components 
and generally a less than stellar design.

If one of the regulator devices fail you can easily get 40 volts on the 
rather sensitive 28 volt max drivers. Minimal power out is a symptom of 
just such a failure.

73

Martin, HS0ZED


On 08/06/2022 17:48, Steve H wrote:
>
> Anyone here own or owned one of these?
>
> Curious about the powr supply failures mostly.
>
> Are they because people jack the outputs beyond the normal
> 100w level?
>
> I may be trying to repair one for someone who says theirs puts out a 
> little power on CW, but nothing on all other modes.
>
> -- 
> Steve Hearns [ KA2PTE ]
>
>
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