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Radio from Aliexpress - purchase instead of the original radio

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  • Level 18  
    The car radio (Blaupunkt) smokes my speakers. A squeak appears and the speakers burnt.
    On aliexpress you can buy a radio with an LCD display for PLN 200. How do they work? Or maybe it's better to add and buy with android?
    Does anyone have experience with such radios?
  • Level 25  
    You must clarify my friend, because no one knows how the radio with LCD display works for PLN 200 :) it's a bit like you would ask, how does Mercedes with climate work for 2,000 PLN from a dealer.
  • Level 33  
    Hello.Troche did not write much about your radio, it burns the speakers because the power terminal is damaged (Blaupunkt) .New radio should not be a problem unless the parameters of the speakers do not correspond to what you will drive them.np for low power, inappropriate impendance. I write in general because in your description there is also not much to say about, e.g. car type, speakers installed, type of radio except that it is Blaupunkt.
  • Level 37  
    gruniu wrote:
    The car radio (Blaupunkt) smokes my speakers. A squeak appears and the speakers burnt.


    Sure.
    Blaupunkt has made you angry from looking at you.

    gruniu wrote:
    As for tensions, I don't even know how to check them. He does such things sporadically, i.e. as needed.

    https://www.elektroda.pl/rtvforum/topic3412548.html

    My name is not Blaupunkt, but I'd love to snap your toes
  • Level 25  
    Alternatively, look for the diagram from this radio. Throw in here, we will try to remedy. Excitation can also be caused by damage to the Zobel circuit, i.e. a resistor with a value of several ohms in series with the capacitor and the whole in parallel with the speaker.
  • Level 18  
    The original radio is Blaupunkt Travelpilot DX170.
    https://obrazki.elektroda.pl/6269931700_1523593536.jpg
    I am looking for a schematic.

    Radios from Ali, it's usual with the name b from the name, type:
    https://www.aliexpress.com/item/2-Din-7-inch-...-audio/32812082502.html?spm=a2g0s.8937460.0.0. LPylWL
    https://www.aliexpress.com/item/Car-Stereo-Bl...Car-Radio-ISO-power-Aux/32838889163.html?spm= a2g0s.8937460.0.0.LPylWL
    https://www.aliexpress.com/item/NEW-2-Din-and...S-Navigation-7-HD-Touch/32829728833.html?spm= 2114.search0104.3.15.28c33a312VYsoJ & ws_ab_test = searchweb0_0, searchweb201602_4_10152_10065_10151_10344_10068_5722815_10342_10343_10340_10341_5722915_10698_10697_5722615_10696_10084_10083_10618_10304_10307_10301_5722715_5711215_10059_5723015_10534_308_100031_10103_441_10624_10623_10622_5711315_5722515_10621_10620, searchweb201603_19, ppcSwitch_5 & algo_expid = 305811fd-5a3d-4ed4-a293-022cb7ee8b7c-2 & algo_pvid = 305811fd-5a3d-4ed4-a293-022cb7ee8b7c & priceBeautifyAB = 0

    That's why I'm asking if anyone has or had such a miracle and how does it work?
  • Level 21  
    Hello.
    You will probably have a problem with mechanical mounting on Good Morning - there are no pockets for them. Unless the original holes from the removed Blaupunk match.
    Personally - I'd rather fix Blaupunkt than play Chinese CarAudio.
    I installed 2 pcs. Vordon HT-869V2.
    There is no revelation - it works, but the headunits that replaced the above-mentioned Vordon sounded much better (in Skoda Fabia I had 2 years Sony, in Renault Megane 2 years old Kenwood.
    Installation problems due to the lack of dedicated pockets / half-frames (assembled about a year ago).
    Greetings.
  • Level 18  
    I'm for repair. But who will do this to me? I returned for repair in the city. The guest has very good reviews, but he did not, because he played for several days without a fault.
    It also sounds like this to me, sometimes for a long time, and sometimes smokes 2 speakers a week. And always the left front.
  • Level 33  
    Different nature of the load In your and guest's tests. Maybe a different supply voltage. You can see from the fact that the front smoke is probably the tweeter. I wonder if this "guy" connected it at all or just what was there by accident? I would check the other speakers in this channel if you were you. Maybe they have some shortcuts, i.e. a short circuit between the turns of the coil.
  • Level 18  
    I have to replace all the speakers to check if maybe one is shorting?
  • Level 41  
    gruniu wrote:
    It also sounds like this to me, sometimes for a long time, and sometimes smokes 2 speakers a week. And always the left front.
    Hello.
    While the loudspeaker is installed in the door (left, front from the driver's side, most often used), the reason for this phenomenon may be a damaged wire (worn insulation, wire shorted to the car ground). I had this case.
    greetings
  • Level 18  
    I have already laid a new cable. And the speaker burned anyway.
    I did not notice the specific situation when the radio smokes the speaker. A squeak appears and begins to smell.
  • Level 33  
    This is due to tip excitation. The very reason for this excitation is not clear. I don't know how many speakers you have there, but you can swap them sides (on the radio itself) how it will burn the speakers on the other side, that means a problem on the radio.
  • Level 33  
    Hello. How many times do you have to test? Do you burn all the speakers you have ?!
  • Level 18  
    I put on the radio from Aliexpress. It plays nicely. Touchpad.
    Only squeaks when increasing turnover. Will the interference filter, inserted on a 12V power supply, with the Allegro do the trick?