RADAR WILL SHOW CLUTTER AND NOISE WHEN GAIN IS TURNED UP BUT THE UNIT WILL NOT PICK UP ANY OBJECTS.... LAND, RAIN EXE.... WHAT COULD CAUSE THIS If the radar has over 2000 hours it may need a magnetron
...magnetron or one that has gotten old. They do have a life. Find out how many hours you have on the unit and give furuno a call. They will more than likely tell you what they think the problem
...Furuno 1731 radar - no sweep/echo seen on screen. Scanner is rotating and other display is normal. Go to longest range and full Gain min Rain and Sea Clutter Do you have speckle? Yes = Receive OK, ...
no transmission, no voltage in magnetron j808 (grenn and yellow wires) 03p9270 board. if you have 12 V to the dome, and you have rotation, the modulator board is probably bad.
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