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Samsung UE40D5500RW TV Continuously Turning On and Off: Identifying & Replacing Motherboard

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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
  • #61 20479184
    szach11
    Level 12  
    >>20469699
    Please remind me the name of this bone. do i need to program before installation?
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  • #62 20674049
    jimimisiek
    Level 2  

    Hi everyone, I have a UE46D5500RW from new and this morning it freaked out. So far, flawless. Entirely. The Smart TV logo appears, then the HDMI source, and so it loops. It does not respond to the remote control (but you can see that the signal from the remote control reaches the TV). It also does not respond to the buttons on the TV. It can only be disabled with a plugin. After reconnecting to the power supply, it turns itself on and does the loop described above.

    I have the original remote for it and the glass base that has not been used - it is still sealed.

    Does someone want to fix it? To buy? It can be picked up in Poznań, at the Przyjaźni estate.

    Added after 1 [minutes]:

    Hi everyone, I have a UE46D5500RW from new and this morning it freaked out. So far, flawless. Entirely. The Smart TV logo appears, then the HDMI source, and so it loops. It does not respond to the remote control (but you can see that the signal from the remote control reaches the TV). It also does not respond to the buttons on the TV. It can only be disabled with a plugin. After reconnecting to the power supply, it turns itself on and does the loop described above.

    I have the original remote for it and the glass base that has not been used - it is still sealed.

    Does someone want to fix it? To buy? It can be picked up in Poznań, at the Przyjaźni estate.
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  • #63 20932526
    pospiechfilip161
    Level 3  
    >>17740879
    I have a question: why does it start working thanks to freezing? How it`s working? I`m asking because I`m shocked how this miracle works.
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  • #64 20932555
    Wojtek M
    Level 39  
    pospiechfilip161 wrote:
    I have a question: why does it start working thanks to freezing? How it`s working? I`m asking because I`m shocked how this miracle works.
    It may work for a short time, it was written in previous entries, the NAND memory must be replaced with a NEW and well-programmed one.
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  • #65 20932559
    pospiechfilip161
    Level 3  

    But how does it work? I know it needs to be replaced, but why does cooling help and not, for example, heating? I want to know how a system works that suddenly works after cooling?
  • #66 20932568
    Wojtek M
    Level 39  
    Each electronic element changes its parameters as the temperature changes.

Topic summary

The Samsung UE40D5500RW TV is experiencing a boot loop issue, where it turns on for 2-4 seconds before shutting off repeatedly. Users suspect the motherboard (model UE 40 D 5520 974B) as the potential cause, although some suggest the power supply might be at fault. Various troubleshooting methods have been discussed, including testing the power supply, checking inverter output, and using a freezing technique on the NAND flash memory to temporarily resolve the issue. Many users have reported success with the freezing method, but it is generally a short-term fix, often lasting from a few weeks to several months. Ultimately, replacing the NAND flash memory with a new, pre-programmed unit is recommended for a more permanent solution.
Summary generated by the language model.
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