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rnem170
Occasional Visitor
Joined: May 05, 2005
Posts: 34
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 Posted: Sun Oct 07, 2007 10:48 pm Post subject: TT720 - Buzz when on in-car charger using line out |
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Hi folks,
I recently added an Aux port in my Focus so I could play MP3s on my TT. I gave up on the FM transmitter - which was as useful as a chocolate teapot....
I've routed output to the lineout port, but if I have the in-car charger plugged in, I get an really annoying buzz constantly. Is this due to poor shielding in my cables, or poor electronics in the TT. Does anyone else have the same problem?
Cheers, Rob |
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mikealder
Pocket GPS Moderator
Joined: Jan 14, 2005
Posts: 19638
Location: Blackpool , Lancs
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| Posted: Sun Oct 07, 2007 10:53 pm Post subject: |
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| Couple one of These between the Aux input socket of the car and the TomTom, the Ground loop problem can affect some vehicles and this device overcomes the problem - Mike |
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bigfoot47
Occasional Visitor
Joined: Mar 30, 2006
Posts: 41
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| Posted: Mon Apr 07, 2008 12:56 am Post subject: |
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Just saw this tonight after spending Saturday trying to sort the same problem out. Can confirm for anybody else that this ground loop isolator worked for me but beware its a bit bigger than you might think and can be a bit of a push to fit-be prepared for loss of knuckle skin behinhd head units.
For the two posters PLEASE could you confirm - when the 720 is playing music thro line out to car stereo and i disconnect the 3.5mm jack plug the music is transfered to the internal speaker is this a fault/bug/normal as i would have thought it should be silent with line out selected?
If anyone could test this for me I would be very grateful but make sure the volume is down on your car head unit as it cracles abit when you remove the jack plug!
Thanks |
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mikealder
Pocket GPS Moderator
Joined: Jan 14, 2005
Posts: 19638
Location: Blackpool , Lancs
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| Posted: Mon Apr 07, 2008 8:25 am Post subject: |
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| bigfoot47 wrote: | | For the two posters PLEASE could you confirm - when the 720 is playing music thro line out to car stereo and I disconnect the 3.5mm jack plug the music is transferred to the internal speaker is this a fault/bug/normal as I would have thought it should be silent with line out selected? |
The behaviour you have experienced is normal, when Line Out socket is selected the device will only use the socket when a plug is inserted, no plug = audio via the built in speaker - Mike |
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bigfoot47
Occasional Visitor
Joined: Mar 30, 2006
Posts: 41
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| Posted: Mon Apr 07, 2008 10:59 pm Post subject: |
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Many thanks for the confirmation- should anyone require a widget for inputting non ipod mp3/tomtom feed this is what i have used for the 720 (in VW but many vehicles covered) and it works well at around £30
http://www.connects2.com/c2search.aspx?catID=42&manID=235&modID=914
as i gave up on the FM transmitter fading in and out and getting interferance as i travel up and down a bit
Ta for help |
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