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Thema: [Roadrover KIA CEE'D] RDS problem

  1. Top | #1
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    Frage [Roadrover KIA CEE'D] RDS problem

    Hi,

    I am very happy, that is very good radio, but I have one problem - with RDS information. On the Radio can search for stations, but do not show their names (I have to write them) and do not show any information from the RDS. I tried with different versions of D2280: 1.22.9, 1.22.7 (was originally), 1.25.5M (reportedly with a working RDS + 2 lines of text), 1.25.6, 1.26.2 (the latest I could find).
    Antenna remaining original KIA, previous radio (original) took away a lot better (maybe an amplifier or a separator?). In any case, in that radio RDS function works correctly.

    Data:
    EN_PRIMA_ARM_SLC-v1.51 (was 1.35)
    MCU: 2.01

    My friend has the same radio with 1.35 and mcu 2.00 - RDS works normally. I copied D2280 folder from him and also did't work.

    Where is the problem? The MCU (I doubt)?

    Thank you for your help and best regards!

    PS. I'm from Poland, and I change to EURO in radio options.
    Geändert von ruszok (21.05.2012 um 11:49 Uhr)

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  3. Top | #2
    jetzt 7. China-Navi Avatar von strados
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    the Radio can search for stations, but do not show their names (I have to write them) and do not show any information from the RDS.
    All version of GUI (V1.22 ..... V1.26.2) can receive the station names and show it. Also RDS text. If your unit don't do it, the antenna signal it too low. Did you connect any adaptor between antenna cable and tuner input ? What kind of plug is the cable of your car's antenne fitted with ?
    Maybe the car's active roof antenna is missing +12V power now ?

  4. Top | #3
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    Ok. Maybe signal is too low. But
    one radio station has a transmitter in close proximity and the signal is good and strong. And also no RDS information.
    I connected the adapter that came with the new radio. It's something like that:

    I don't know what type my stock antenna is. But there aren't other cables from/to the antenna.

  5. Top | #4
    jetzt 7. China-Navi Avatar von strados
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    I connected the adapter that came with the new radio. It's something like that:
    Bingo ! That's the problem. The left plug is call "DIN" the right "Fakra". But no car stereo or RNS is supporting pantom power at DIN plug.
    What you need is a "Phantomspeisung Adapter" like this:
    [Only members can see the link]

    The blue wire has to be connected to Roadrover's "Amp-Cont".

  6. Top | #5
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    When I unplug antenna on the roof signal lost completely. So it is correctly connected.

    Sorry but I don't know (or understand ) what is phantom power. That isn't antenna amplifier for boost signal? That's something like "power supply" to antenna wire? Or what?

    Maybe this:
    [Only members can see the link]
    "Separator" - gives 12V power supply to the antenna?
    I have original KIA's radio. So I can connect it "on the table" and see if it gives 12V at the output antenna on FAKRA connector. Or maybe if there is FAKRA - it certainly gives the 12V?
    Geändert von ruszok (21.05.2012 um 16:49 Uhr)

  7. Top | #6
    jetzt 7. China-Navi Avatar von strados
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    That's something like "power supply" to antenna wire? Or what?
    Yes that's right. Power supply for antenna amplifier directly via antenna wire.

  8. Top | #7
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    Ok. Thanks for the tips. As soon as I can buy a good "Phantomspeisung Adapter" (separator in Polish - I think) and we well see. So my antenna has a built-in amplifier, which was powered by 12V from original KIA's radio. The new radio doesn't power the antenna amplifier and basically I think that is a break in the circuit ...
    And if I shouldn't give 12V to the antenna because there isn't antenna amplifier... It will be something if I plug separator?

    How do you think?

    Once again, thank you!

  9. Top | #8
    jetzt 7. China-Navi Avatar von strados
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    The new radio doesn't power the antenna amplifier and basically I think that is a break in the circuit ...
    That's right. If the roof antenna at you cee'd looks like this, it's definitly an amplified antenne and need +12V power.
    [Only members can see the link]

  10. Top | #9
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    Yes. This is the same antenna. Ok - i try to buy this today.

    Thanks!

  11. Top | #10
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    Ehh... I'm very sad because buy today this separator and... And nothing change. Signal is low, RDS doesn't work. I measure voltage on FAKRA connector and there is 12V. But when I disconnect amp cable with 12V nothing change. It's the same state when 12V is there or no.
    It's possible that this separator (like vw cars) is poor quality or doesn't work properly?

    What do You think about that. Maybe radio module is broken in this station?

    I apologize for writing a post under the post, maybe moderator can combine them - thank you.
    I wonder if the problem is not different radio and antenna impedance. Why this link to eBay it says 150 ohm? It matter? Because in Poland does not have one. In fact, when there is no data on the impedance.
    Maybe You know what is the impedance of RoadRovers?
    Geändert von strados (23.05.2012 um 14:51 Uhr) Grund: you're welcome

  12. Top | #11
    jetzt 7. China-Navi Avatar von strados
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    Signal is low, RDS doesn't work.
    Do you know a small tv / radio garage nearby ? I would highly recommend to messure the signal strength at the end of your antenna cable at the Fakra plug.
    If the signal at 100MHz is about 50 - 52 dB the antenna is very good. If the signal is less than 40 dB the antenna is too poor to support good sound and also RDS information. It's also possible to check the antenna integrated amplifier by turning the cars ignition on / off.
    Geändert von strados (23.05.2012 um 15:49 Uhr)

  13. Top | #12
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    If I find a measuring device that I checks these values. One thing bothers me - FAKRA plug in the car is white, and this apparently means that it isn't powered?


    Sorry - white means powered:
    Geändert von ruszok (23.05.2012 um 15:32 Uhr)

  14. Top | #13
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    Ok. I think I know what happened - hope!

    On the night shift came up with what might be causing the problem. Just as in the BMW FAKRA connector is white, suggesting that it is powered. But isn't. Antenna amplifier is powered up, but from the 3 pin of M54-A connector. I suspect that there is not currently using the voltage and therefore have a weak signal.
    Therefore, to provide 12V to the antenna cable completely nothing.

    When I get up I check this idea

  15. Top | #14
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    Unfortunately.

    12V on this wire is fed, the anntena amplifier is powered. However, I plugged in the original radio and it turns out that there is a 14.5 V with a started engine and 13.7V - when is off. RoadRover gives there 12.6 V for the engine started and 11.8 V on the engine stopped.
    When I unplugged the power amplifier power radio signal almost completely disappeared.
    So either it is damaged RoadRover antenna input, or an amplifier voltage is too low.

    Interestingly, after reset RoadRover set time - with GPS or with RDS (which doesn't workto me)?

  16. Top | #15
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    Radio was broken. I exchanged for a new unit and everything works as it should.

    Thanks!

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