brocki

Disconnecting Microphone On Backup System

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brocki   

Our motor home is a 2007 Tiffin Phaeton with a Sony backup camera system.

For the last year, when I have the backup camera and microphone turned on, the mic. relays incredible static as well as the ambient sound (usually the engine) so that you can't stand it.  Yes, I have tried to turn it down on the dash but to no avail.  When the screen comes " to life" with the side cameras during turn signal use, no noise is present.  Thus I am pretty sure it is either the mic itself, or the volume control on the dash unit.  We don't use the microphone at any time so I just want to disconnect it.  Would it be easier to try it at the camera area at the rear of the motor home or at the dash unit?  We tow a pickup with a motorcycle in  the back of the truck and like to be able to see it.

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I know that mine has a volume control on the dash monitor and turning that all the way down gets rid of the outside sounds.  Maybe a call/e-mail to Sony tech support would get you the information necessary to turn the sound all the way down from the monitor.

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brocki   

Bill     The volume is not eliminating the noise as in the past so either it or the microphone is failing.  As we don't use the audio,  I really don't care.

Wayne77590     I think that is the tactic I will take.  It looks like I can remove that whole dash panel with just a few screws and get to the back of the dash unit and hopefully the speaker.

Thanks guys.

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manholt   

It also could be wired to one of the radio or TV speakers!  On mine there is a separate on/off switch...it's been in off for 3 almost 4 years now!

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RayIN   

The OEM Sony BU system in our MH only had the one coax from the camera to monitor. When the monitor died I switched to a Voyager wireless system as the Sony system was obsolete, no new parts available.

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brocki   

Well a little late but...........

I did take the panel off and the unit is pretty much a sealed unit.  HOWEVER I disconnected the three input cable at their plugs, (the 2 side cameras and the backup one), plugged them all back in and the noise disappeared.  Woila!  The interference was in the plug.  All better now.

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brocki   
7 minutes ago, wayne77590 said:

....until you hit the next pothole!

Ohhhhh ye of little faith.  We have traveled for 2 weeks now and no recurrence.

 

 

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I have a volume control 2 and on one trip this spring it got turned up. I couldn't figure out where the strange noise was coming from at first.:lol:

Bill

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manholt   

Mine also is volume controlled.  Before Linda, I had no use for it, so it was off...she was in back last week telling me by hand, where to go and I turned the speakers on and told her, " I can't see you"!  Her reaction was priceless :lol: and then I got the "LOOK"! :blink: 

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