Question about Radio Communications
My Yaesu FT-50R will drain a battery in just a matter of a couple of hours. I think there must be a short because the heatsink gets hot (even when the unit is off). I purchased the unit new in either '98 or '99. I chenged the knob out a few years back, and that has been the only other problem. I hope you can help.
I also have a Yaesu FT-50R with the battery drain and overheat problem. I took it to my technician and in my case the issue was with a reverse polarity diode. My technican checked all the other comonents and found that this diode was shorted and causing the radio to drain the batteries and causing the radio to get warm. Once he replaced the diode the radio stopped draining batteries and no longer gets quite warm.
Posted on Aug 24, 2009
Scotwho, I personally do not know the radio you are asking about, but I do have many years working with radios in troubleshooting. What I am guessing is, if the heatsink gets hot, then whatever is connected to the heatsink has shorted out. Two main parts come to mind here, and that's the audio chip, and the transmitter output final/chip. Possibly the main IC (brain) that controls most everything, but I doubt that. The radio needs to go to a repair shop that can troubleshoot the damage/ and find an answer as to why it occurred. A lot of times the factory's do not use heatsink compound when they assemble the units, and after an x amount of time the part/parts will fail. 10cents worth of heatsink compound can make a radio last a few years longer.
Probably not the answer you wanted but I hope this helps,, let us know. Mechanic
Posted on Feb 20, 2008
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Posted on Jan 02, 2017
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