Author [NL] [FR] [ES] [DE] [SE] [IT] Topic: Static on the radio when engine is running  (Read 2833 times)

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  • Offline HARFEND

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    Offline HARFEND

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    Static on the radio when engine is running
    on: May 19, 2021, 09.27 pm
    May 19, 2021, 09.27 pm
    Greetings all!

    New member to this forum and currently DO NOT own a Trophy but I am looking to buy one.  I have a line on a nice 2014 Triumph Trophy SE, silver, 30K miles that seems in great shape except when the engine is running, the FM stations do not work.  Nothing but static. When you turn on the key and activate the radio, FM works fine. The AM stations work as well as the weather band. The XM band shows a message of: CHECK ANT. I haven't tried to pair the bike with my phone.

    I read several very clear posts on this site about how to check for the software version which I will do.  The seller is a dealer, but not Triumph and I am more concerned their "mechanics" start messing with it and really fry something.  I put in an offer to buy the bike "as is" hoping for a good deal, but thought I would reach out to this awesome group for the opinion on a good chance to correct this issue myself or should I run away screaming? 

    Everything else seems to be in good order and I will run through the list of things to check on (list found on this site from Coconut!) when considering a purchase of a Trophy.

    Thanks for your thoughts!
    HARFEND

  • Offline trophied   us

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    Re: Static on the radio when engine is running
    Reply #1 on: May 20, 2021, 02.28 am
    May 20, 2021, 02.28 am
    Did you try changing the station?  There may not be any FM presets or they may have all been deleted and it isn't tuned into anything.  Try tuning it to a known local FM station to see.
    One of the Founding Members of the Twisted Trophies

  • Offline Stripyface   gb

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    Offline Stripyface

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    Re: Static on the radio when engine is running
    Reply #2 on: May 20, 2021, 07.32 am
    May 20, 2021, 07.32 am
    Has it got LED Headlamps fitted?

    If so there may be interference from the drivers  which will only turn on once the engine is running.
    Simple test - pull the clutch in and hold whilst turning the ignition on, this will turn the headlight on, if the static is there, then turn the kill switch off which will turn off the headlights and see if it disappears.

    Otherwise it could just be poor reception or aerial connection.

  • Offline Coconut   gb

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    Offline Coconut

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    Re: Static on the radio when engine is running
    Reply #3 on: May 20, 2021, 08.48 am
    May 20, 2021, 08.48 am
    Just to recap and clarify the problem(s) ...

    Does the FM radio work, and you can receive
    and listen to FM radio stations when the Ignition
    is ON, without starting the engine, but when you
    start the engine the radio reception changes to
    static / interference ?  If that is the problem
    then follow Stripyface’s suggestion to
    check for After Market LED lights or other accessories
    that could be causing the interference.

    You also mention that there is a “Check Ant”
    message for the XM radio.  We don’t have XM radio in the UK,
    but the XM antenna is a square block mounted centrally in the
    Uppermost surface of the Instruments Pack, below the screen.

    It connects to a socket clipped to the Frame
    behind the Left Indicator surround panel.
    The wires from that socket run to the Audio Unit
    which is located underneath the storage box
    below the Riders Seat - 4 Torx type screws to remove
    and lift the box out - The XM antenna wire has a Yellow plug.

    It may be that the XM Antenna needs to “see”
    the sky and thus the satellites to receive their signals,
    and displays that message when it loses sight of them.
    Hopefully one of our US Members can clarify that.

    At worst, there is a Company in the US ( Radiosound Inc )
    that can repair a faulty Trophy Radio Unit,
    but it needs quite a bit of dismantling to remove it from the bike.
    Search the Forum :821: for “Radiosound” to find the latest Topic
    where the price is also mentioned.

    Cheers  :821:




    Last Edit: Jun 29, 2021, 06.59 am by Coconut

  • Offline HARFEND

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    Offline HARFEND

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    Re: Static on the radio when engine is running
    Reply #4 on: May 20, 2021, 01.33 pm
    May 20, 2021, 01.33 pm
    Greetings all!

    Here is my update.  It is official.  I am the owner of the 2014 Triumph Trophy SE  :152:  I picked it up last night and a very pleased with the bike overall.  I look forward to many miles.

    Thank you all for your suggestions.  Here are my replies:
    trophied
    Yes, I tried to change the stations scrolling though the entire FM band.  It seems like there is a "seek" feature that will scan forward/backward until a signal is found.  The radio lands on local stations, but there is no sound/talk/music just the static.

    Stripyface
    I don't know yet but I will check and try your suggestion. The lights are very white and may be LED but just a quick glance and I thought I saw a bulb like a halogen....  I will follow your tip on bypassing the headlight to check and follow up.

    Coconut
    I found the XM antenna in the top box.  I will hook that up and see if it resolves the issue.  Thanks also on the tip to perhaps send the radio in for repair to Radiosound Inc.   Hopefully that will not be needed....

    I have seen the information on checking to see what software version is currently on the bike and hop that will be a solution.  New bike and all, I need to spend some time messing with it.  I am confident that with everyones help, we will find a solution and I can enjoy the tunes! 

    Thanks,
    HARFEND


  • Offline trophied   us

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    Re: Static on the radio when engine is running
    Reply #5 on: May 20, 2021, 01.40 pm
    May 20, 2021, 01.40 pm
    Once you have this sorted my bet is you will love it!  While some have had radio issues and had to replace them, that does not does not appear to be common.  My guess is antenna.
    One of the Founding Members of the Twisted Trophies

  • Online digital   es

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    Re: Static on the radio when engine is running
    Reply #6 on: May 20, 2021, 02.26 pm
    May 20, 2021, 02.26 pm
    Due to the issue of one software version or another, you should not have a problem locating FM radio stations, that is, the test is that according to you, it says that with the engine stopped, if you locate and listen to FM radio stations. Therefore, let's discard that option.

    If with the engine running, those FM radio stations disappear, it is very possible that you have a ground mass problem.

    It is very possible that you have a bad connection between the antenna cable and the extension cord with the splice underneath the sirius XM antenna.

    It could also be an interference as they have indicated with led lights.

    But I see that according to you comment, it seems that it does not have led lights.

    What should you do ???

    First, open the glove compartment under the seat, which is where the sound system is located.

    Disconnect the FM antenna, you will see that there are two antenna inputs, one goes to a yellow connector, forget that, that connector is the one from the XM antenna. the connector that belongs to the FM input is a silver-colored metallic connector. That is the connector belonging to the FM antenna.

    Once, you are clear about the input connector of the FM antenna and have disconnected it.

    Open the right mirror and once the mirror is open, you will see a screw under the elongated FM antenna, normally, the screw that holds the antenna, is protected with a rubber cap, remove that rubber cap, now take an impedance meter and place a clamp of the impedance meter, on that screw, and the other end of the impedance meter, place it on the FM cable that I disconnect from the stereo, between the screw and the positive part of the antenna cable, it must have a zero value, or if you put the impedance meter in buzzer mode, it should emit a sound and at the same time mark zero value, that is the correct value to rule out that the junction that I mentioned at the beginning is correctly connected.

    If it is correct, now check that the ground mass is also correct.

    To check the grounding, do the following:

    Using an impedance meter clamp, place a clamp on any screw on your motorcycle, for example, on the left footrest screws, which is a point close to your stereo and the other end of the impedance meter clamp, You place it in the FM antenna connector, but now, instead of the central hole, which would be positive, place the clamp on the metal ends of the connector, it would be like a tunnel, between that tunnel and any screw on the motorcycle chassis , must give the value zero. If so, we certify that there is no problem with connections from the antenna cable to the input of your sound equipment.

    If this test is totally correct ...

    I have another thing to say about the radios manufactured by RadioSound.

    Radios made for the United States are not the same as radios made for Europe. I know that many of you will be saying that this is already known, but what is not known is the system that a radio equipment has inside it.

    For example, a radio equipment manufactured for Europe, the antenna input carries an FM input connector fully and directly soldered to the printed circuit of the sound equipment.

    Sound equipment made for the United States, in this sense, is totally different.

    The FM antenna input is connected to an extension cable with an aerial connector and this aerial connector, goes into the sound equipment, the positive one that is where the FM signal travels, it goes to ping that is soldered directly to the plate of printed circuit of the sound equipment, well, between the mentioned ping and the female connector of the extension cable, it goes large and gives failures or it may be that with the bumps of the motorcycle the female of the male ping has come out, and there is no direct contact between the FM receiver and the direct connection of the sound system.

    I hope that you have understood all this and it helps you to understand something more about our TTSE motorcycles.
    Only motorcyclists know why dogs stick their head out the car window.


  • Online digital   es

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    Re: Static on the radio when engine is running
    Reply #7 on: May 20, 2021, 03.08 pm
    May 20, 2021, 03.08 pm
    I have found photos of my sound equipment circuit board made for the United States, there I indicate the ping of the positive of the FM antenna that comes out of its housing with a simple movement because something big is going on.

    In a printed circuit board manufactured for Europe, it does not come out of its housing because the connector is soldered directly to the printed circuit, that is, apart from the XM module and the connector belonging to the FM, they are the difference between sound equipment manufactured for Europe and the United States.

    Only motorcyclists know why dogs stick their head out the car window.


     



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