I’ve had a mint condition maxtrac UHF in my shack, for about 10 years, when suddenly, it started to t/x exactly 10khz off frequency while RX remained on frequency. A little quick googling said to open it up and clean contacts including cables. I was not optimistic as the radio looked pristine on the inside like it had just left the factory, not a speck of dust or anything looking amiss as I inspected the circuit boards. Nevertheless, I got out the rubbing alcohol and a few Q-tips and spent about 10 minutes wiping about any exposed contact I could find (had to pry off a few of the metal covers) and the re-assembled. To my surprise it was back on frequency for t/x and remains so a few weeks later. Maybe I’ll get another 10 years.
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Maxtrac 10khz off t/x revived by cleaning
- Thread starter kb5udf
- Start date
ramal121
Lots and lots of watts
Common problem with the pins that connect the logic board to the RF board. Need to pull the logic board to access. Some Deoxit or Stabilent 22 goes a long way in keeping these elderly radios going.
