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The red fault LED never lights and the interface is not supplying +12VDC to the tuner. What is wrong?

April 26, 2017fault interface LED lights red supplying Tuner wrong

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The red fault LED never lights and the interface is not supplying +12VDC to the tuner. What is wrong?

1 Answer

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A. The IC-706MkIIg has an internal 4-Amp fuse on the +12VDC power supplied to the interface and tuner via the 4-pin tuner connector. It is possible that someone has shorted this output to ground at one time or another and blown the internal fuse.