Search found 4 matches

by drsamygo
Fri Oct 15, 2021 11:44 am
Forum: [D] General
Topic: UE40D5500 Boot loop problem. Please help fix.
Replies: 17
Views: 36498

Re: UE40D5500 Boot loop problem. Please help fix.

The Freezing NAND method to the best of my knowledge is a myth or a joke. But of course, you could try and let us know if it works (I highly doubt).
by drsamygo
Fri Oct 15, 2021 10:31 am
Forum: [D] General
Topic: UE40D5500 Boot loop problem. Please help fix.
Replies: 17
Views: 36498

Re: UE40D5500 Boot loop problem. Please help fix.

Boot loop problem is a hardware failure. In reality, a bad block in nand flash causes the firmware to mis-behave (some bits have changed value). I suggest you replace the NAND and write a new flash, or just buy a programmed NAND from ebay and SMD desolder/solder.
by drsamygo
Tue Apr 06, 2021 9:29 pm
Forum: [D] General
Topic: UE40D5500 Boot loop problem. Please help fix.
Replies: 17
Views: 36498

Re: UE40D5500 Boot loop problem. Please help fix.

Yes, I fixed it and my TV works fine, but this is not an easy fix. The problem was that the firmware (software) of the television was stored on the NAND flash, which developed a bad block and thus it was damanged. I had to order a pre-programmed NAND flash from ebay for my exact model, from a user o...
by drsamygo
Sun Jul 14, 2019 9:14 am
Forum: [D] General
Topic: UE40D5500 Boot loop problem. Please help fix.
Replies: 17
Views: 36498

UE40D5500 Boot loop problem. Please help fix.

Hi, Suddenly my UE40D5500 stuck in the last channel I had seen and displayed nothing. I powered off and on and still nothing. So i did an Epprom Reset on te board and now I have stuck in a boot loop, in which as soon as I put my TV on the main power line the TV switch on automatically, and displays ...

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