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Showing posts with the label Upgrades

Kenwood TS-590SG TCXO Install

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I had acquired a used but like new 590SG, with the intention of using it portable from the wall tent.  I found the radio liked to drift from around 30Hz low to 10Hz high depending on ambient temperature.  This was not going to cut it in the tent with temps being all over the place when camping, so I ordered the SO-3 TCXO. I would recommend anyone who is thinking about installing one of these to do it.  It is about as easy as it gets without being plug in.  Yes, you need some soldering skill, but a little research of technique and some practice and anyone should be able to successfully complete this.     This is the TCXO and box it came in.         The TCXO and provided adjustment tool.       Put the radio on its top and remove the bottom cover.    The yellow square below indicates the area of interest for the installation.   Unplug the connector noted by the red square. Remove the indicated screw.  NOT...

Kenwood TM-V71A Fan Swap or Replacement

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  The dual bander in my truck started to make some racket from the fan and I was told I had noise on TX.  So, I figured it was the fan going out as it had audible noise to indicate that.  It turned out the noise on TX was another issue, the infamous Kenwood audio tick, a new mic cord fixes that. I did a quick look around the web and found a nice fan from Noctua.  Noctua is known for high end, silent fans for computers and other applications.  Sure enough they have one that is a near direct replacement for the fan on the V71.  The is the Noctua NF-A4x10 FLX.  ~$14 as of this writing.   This fan does have to have the leads cut and soldered to the connector from the original fan.  That is a simple operation for anyone who has basic soldering skills.  And if you don't, maybe you could practice a bit and tackle this project.  Just leave enough "tail" on everything you cut so that you can cut again and re-solder if necessary. Remove the c...