[PVRCNC] Help repairing front end of radio?

Pete Soper pete at soper.us
Fri Apr 12 13:41:06 EDT 2013


Is it deaf with all filter settings? I've had periodic failures like 
this with my 850 when the crystal filter connections got dirty.

I've also had the receive side go deaf when the T/R relay contacts in my 
linear got dirty.

-Pete AD4L


On 04/12/2013 12:11 PM, Rob Katz wrote:
> Does anybody have the curiosity and equipment (and know-how) to help me
> debug and fix my Kenwood TS-850 radio?
>
> I¹m pretty sure I¹ve blown the front end ­ the rx works, but it will only
> hear the strongest signals on the band.  I did this once before, and when I
> sent it away, the repair was replacing a single transistor in the front end.
> I¹d love to fix it myself this time to sharpen my EE skills and have some
> fun getting my hands ³dirty.²
>
> Can anybody help me out with this?
>
> 73,
>     Rob  K4OV
>



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