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Autor Tópico: Samsung UE40D5500RW main BN41-01660B dump bin nand flash firmware  (Lida 540 vezes)

Xeontec

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Samsung UE40D5500RW main BN41-01660B dump bin nand flash firmware
« em: Junho 16, 2023, 10:28:39 pm »
Samsung UE40D5500RW main BN41-01660B dump bin nand flash firmware
Mainboard/chassis: BN41-01660B
Painel display LCD: LD400BGB-A2
Dump flash NAND K9GAG08UOE
:aqui:
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barrowhill

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Re: Samsung UE40D5500RW main BN41-01660B dump bin nand flash firmware
« Responder #1 em: Junho 22, 2023, 02:22:58 pm »
hello dear admin, do you know what is the difference between BN41-01660A and this B ? Will it fit?
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Xeontec

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Re: Samsung UE40D5500RW main BN41-01660B dump bin nand flash firmware
« Responder #2 em: Junho 22, 2023, 07:01:49 pm »
Honestly I don't know. Sometimes the versions are similar and compatible, but sometimes they are not.
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barrowhill

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Re: Samsung UE40D5500RW main BN41-01660B dump bin nand flash firmware
« Responder #3 em: Julho 25, 2023, 05:34:29 pm »
I tried this dump on 3 different NANDs for UE40D5500RW with BN41-01660A main and it's not working
(edited) on by board there is absent ZR1312 resistor. In photo from google I see that it must be.
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barrowhill

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Re: Samsung UE40D5500RW main BN41-01660B dump bin nand flash firmware
« Responder #4 em: Julho 25, 2023, 08:24:34 pm »
I set 1k resistor, but there is no changes. Also I looked into photoes, when this TV comes to me from another master and there was no resistor in that position. But I write dump into NAND and TV was working 2 days. After that I get TV back and flashed agin, then I put USB firmware and press upgrade, after that TV is always restating. Could there be a problem with SPI or Onenand?
 That resistor is connected to pin 16 CLE, how TV could worj without it 2 days?
 Also I think SPI is not touched in this chassis during USB flash. About Onenand - I don't know.
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Xeontec

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Re: Samsung UE40D5500RW main BN41-01660B dump bin nand flash firmware
« Responder #5 em: Julho 30, 2023, 11:59:29 am »
Very strange situation, but i think the problem is some sector of memmory with defect.
I cant find other issue after read your feedback.
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