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SmartSDR v3.7.4 and the SmartSDR v3.7.4 Release Notes | SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
SmartSDR v1.12.1 and the SmartSDR v1.12.1 Release Notes
Power Genius XL Utility v3.8.8 and the Power Genius XL Release Notes v3.8.8
Tuner Genius XL Utility v1.2.11 and the Tuner Genius XL Release Notes v1.2.11
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SmartSDR v3.7.4 and the SmartSDR v3.7.4 Release Notes | SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
SmartSDR v1.12.1 and the SmartSDR v1.12.1 Release Notes
Power Genius XL Utility v3.8.8 and the Power Genius XL Release Notes v3.8.8
Tuner Genius XL Utility v1.2.11 and the Tuner Genius XL Release Notes v1.2.11
Antenna Genius Utility v4.1.8
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Parts K48 and K49
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Mike NN9DD
Member ✭✭
I have a flex 6500 and am wondering what part K48 and K49 are. Any one got a service manual or schematic Mike N9DFD
0
Answers
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If it is on the PA board, those are the ANT1 and ANT2 input switching relays respectively.0
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Any common mistakes that might cause them to fail? So I don't do it again? Mike N9DFD0
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In general, failures of the antenna switching relays is usually caused by excessive impulse currents coming in on the antenna ports. This time of year the likely cause is a lightning event. We have had some folks transmit into the radio due to a misconfigured coax switch.
Component failure of this part due to a manufacturing defect is mostly non-existent.0 -
Mike, Tim is 100% correct. Almost always caused by lightning. I saw one this week with the back end of the relay blown off.0
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That's why I haven't gotten to operate much for the past two weeks - too many lightning storms too close. I don't want to leave anything connected for remote operation when there have been storms come through almost every day for the past two or three weeks, it seems! One gets to be more protective of the station when the station cost goes up!0
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Thanks all my 6500 is on its way home from ya and wanted to understand what may have caused it. Probably lightening Thanks Mike N9DFD0
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