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JVC LT-43CF890(D) 17MB170 - boot loop after Fire TV logo, need upgrade_mb170.bin

Concito 354 7
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  • Need matching 17MB170 recovery firmware

    #1 21928003
    Concito
    Level 2  
    Posts: 4
    Looking for firmware recovery/upgrade
    Product label on a JVC Fire TV Edition 43 Smart 4K HDR LED TV with model and power details Label with barcode and model numbers on a device’s metal housing Close-up of a PCB with SMD components and part of a black connector Barcode label on a metal casing showing model VE8430QNDB.
    For:
    JVC LT-43CF890(D)
    Mainboard: 17MB170
    Panel: VES430QNDB-N2-N42
    Fire OS 7.7.1.2 (PS7712/5370)
    Boot sequence:
    JVC logo -> Fire TV logo -> Loading -> reboot

    Recovery works.
    Factory reset completes.
    USB update works and verifies signatures.
    Need matching 17MB170 recovery firmware / upgrade_mb170.bin.
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  • Helpful post
    #2 21928080
    Michał99
    Level 33  
    Posts: 2742
    Help: 140
    Rate: 344
    Concito wrote:
    Panel: VES430NDB-N2-N42


    The panel is VES430QNDB-N2-N42
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  • #3 21928117
    Concito
    Level 2  
    Posts: 4
    Corrected! thanks for the flag!
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  • #4 21928156
    Michał99
    Level 33  
    Posts: 2742
    Help: 140
    Rate: 344
    Not corrected.
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  • #5 21937348
    Concito
    Level 2  
    Posts: 4
    I'm still looking for a solution to my post! Hopefully someone can answer!
  • #7 21940162
    Concito
    Level 2  
    Posts: 4
    Hello yokoono, thank you so much for this, but it seems that the TV is expecting a .bin, not a .pkg.
  • #8 21940242
    yokoono51
    Level 29  
    Posts: 796
    Help: 167
    Rate: 305
    >>21940162
    The .pkg file is for the USB drive, while the .bin file is for rewriting the eMMC memory using a programmer.
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Topic summary

✨ The discussion concerns firmware recovery for a JVC LT-43CF890(D) television with a 17MB170 mainboard and VES430NDB-N2-N42 panel. The set boots from the JVC logo to the Fire TV logo, then shows “Loading” and reboots in a loop. Recovery mode is accessible, factory reset completes, and USB update is accepted and signature verification passes, but the TV still fails to boot normally. The requested solution is a matching 17MB170 recovery firmware or upgrade_mb170.bin file for Fire OS 7.7.1.2 (PS7712/5370).
AI summary based on the discussion. May contain errors.
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