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Old 12-15-2022, 04:07 PM   #21
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Same here so far
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Old 12-17-2022, 01:04 PM   #22
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If you canít get rid of noise in an audio system, there are a few type of filters out there. The 2 most prevalent noises Iíve came across was a bad ground and a 60 cycle hum, (from 120V AC), which also can show up on a video display in the form of rolling lines. There are filters out there for both. I do remember Jensen made them a while back. But it sounds like changing your batteries did the trick, which batteries did you change?
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Old 12-17-2022, 02:57 PM   #23
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Well, our greyhawk does too, and has ever since 2012 when new. It took me about two hours to finally figure it out. Even though the stereo, cd, camera unit is off, it still emits a tone that just bugged me. My husband being partly deaf,
It didnít bother him, hehe. Found out on our unit, you have to turn on unit, then turn down the volume until you canít go any further then turn off the unit. That took care of it for us, except that every time you turn on the unit to watch camera, music, you have to do the same thingÖÖ. Hopefully that will take care of your issue too. We have a clarion, not sure if itís set up same way on different brands. Good luck
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Old 02-08-2023, 10:22 PM   #24
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Itís not battery issue with Bluetooth sensor. U have to download carefree awning app and update the firmware 🙄
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Old 02-09-2023, 08:02 AM   #25
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My noise is definetly from the speak: kind of a click and then a hum about 20seconds apart. No shore power, 12volt shut off off and batteries removed. Only power source are the solar panels.
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Old 02-09-2023, 08:13 AM   #26
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My noise is definetly from the speak: kind of a click and then a hum about 20seconds apart. No shore power, 12volt shut off off and batteries removed. Only power source are the solar panels.
Do you have a PV breaker on your solar system that you can switch off to isolate them from the rest of the system? I would also disconnect the charge controller, doing the above one at a time while checking to see if noise goes away or changes.


If all else fails, try to find and consider installing a filter that I suggested in my last post.
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Old 02-09-2023, 08:16 AM   #27
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I can disconnect the solar but I ONLY get this noise when batteries out. Makes no sense.
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Old 02-09-2023, 08:24 AM   #28
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I can disconnect the solar but I ONLY get this noise when batteries out. Makes no sense.
Iím grasping at straws here, but maybe the head unit has a watch battery in it to backup the internal clock for the radio and or GPS? Otherwise I canít fathom how you can get an audio noise without any power connected to your rig. Make sure all static power is depleted too. The 2 devices that hold static power, that immediately come to mind, are your microwave and your AC unit. They both have capacitors that store power for startup. And maybe your fridge too depending on the model. Try unplugging them, turn their breakers off, remove their fuses, etc.. also.


Other than that Iím out of suggestions. But keep us posted.
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Old 02-09-2023, 10:39 AM   #29
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Microwave and AC both 110vac TV stereo 12vdc
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Old 02-09-2023, 02:54 PM   #30
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If you are getting noise from a speaker with all power to the radio off, there is really only one explanation. Somewhere in the van you have a power source that is shorting to ground, energizing the ground side of the speaker causing the noise.
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