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Xiaomi L43M5-5ASP LED TV Displaying Colored Dots Instead of Image

smartec 1293 11
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  • #1 21186624
    smartec
    Level 9  
    This TV turns on, but instead of an image, colored dots appear, as you can see in the photos. Does anyone have any idea what it could be?

    TV screen displaying colorful dots and static noise. TV screen displaying colorful interference with dots. TV screen displaying colorful dots.
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  • #2 21186947
    DiZMar
    Level 43  
    It looks as if it has been switched to analogue reception with no signal.
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  • #3 21186950
    Dorian Olech
    Level 29  
    Does it display graphics? Menus, volume, etc.?
  • #4 21188438
    smartec
    Level 9  
    DiZMar wrote:
    It looks as if it has been switched to analogue reception with no signal.


    Unfortunately it is a more serious problem.

    Added after 8 [minutes]:

    Dorian Olech wrote:
    Does it display graphics? Menus, volume, etc.?


    It doesn't display any graphics, the TV responds to the remote control, but I haven't even been able to select one of the HDMI sources to test the sound.
  • #5 21188472
    lisek
    Service technician RTV  
    B. similar model Link , same chassis
    - chassis/Ver.: TPD.MS6886.PB792
    -cpu : MStar MSD6886 ( cortex CA55*4 , 1.4Ghz)
    - T-con Link_ 47-6021329 , matrix HV430QUBH10
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  • #6 21188655
    smartec
    Level 9  
    lisek wrote:
    B. similar model Link , same chassis
    - chassis/Ver.: TPD.MS6886.PB792
    -cpu : MStar MSD6886 ( cortex CA55*4 , 1.4GHz)
    - T-con Link_ 47-6021329 , matrix HV430QUBH10


    Chassis: TD.MS6886.793
    Matrix: LVU430CSDX E0001
    T-con: ST4251D01-3-C-3
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  • #7 21189344
    lisek
    Service technician RTV  
    1st > change T-con
    - (ebay)
  • #8 21204913
    smartec
    Level 9  
    Ok, I'll be back as soon as I have any news.
    Thank you very much.
  • #9 21217384
    smartec
    Level 9  
    >>21189344

    I received the same TV with a defective panel and I was able to confirm that the defect is on the main board.
    Could it be a defect in the EMMC or the processor?
  • #11 21217441
    smartec
    Level 9  
    cteespinho wrote:
    Main board?


    Sim
  • #12 21264100
    Mario19593007
    Level 10  
    Probabile che sia qualche DDR o i collegamenti BGA del bus tra processore e DDR.
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Topic summary

The Xiaomi L43M5-5ASP LED TV is experiencing a display issue where colored dots appear instead of a proper image. Initial suggestions indicate the possibility of the TV being set to analogue reception without a signal. However, further investigation reveals that the TV does not display any graphics, despite responding to remote control inputs. Technical discussions point towards potential issues with the T-con board, main board, or defects in the EMMC or processor. Users have shared similar experiences with defective panels and main board failures, suggesting that the problem may lie in the connections between the processor and DDR memory.
Summary generated by the language model.
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