Samsung UE40D5520 TV Repair, Logo only, restarting, restart loop

Samsung TV restarting, restart loop, Logo only
@southlondonrepair We are based in Addiscombe, South London. We repair consoles, Audio - Video equipment, televisions, vintage electronics and anything else what the customers can bring it in.
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#microsoldering #repair #righttorepair #tvrepair #samsungrepair
Samsung UE32 UE37 UE40 UE46 D5500 D5700 D5520

[@dulkazizi]

Clean and nice work 😁

[@southlondonrepair]

Thank you! Cheers!

[@sunildutt3924]

Where from u purchase feeded nand because when we will try to read backup the programer will be cracked id & set could be gose in 3 blink the D series is very risky

[@southlondonrepair]

We are bought empty chips, usually 10 at the same time. We saved the nand software from working television. When we don't find for a model, we usually download from BadCaps (find link below).
Many of the new nand chip is already has bad cells, so first we check all the chips. Usually a 50% is is returned.
Once we have a good chip, we write the dump using one of our programmers.
Many times you can see the same problem rebooting, but the problem is in 30% is a bad soldering.
I got better after 50 mainboard repair, but still making mistakes.
Sometimes the heat can also damage the chip, so if it is not working, sometimes a remove it and verify the firmware. If the chip is damaged, I just replace it.
If I find a good seller, I always order 5 extra chips just for stock.
www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-tvs-and-video-sources/55274-eeprom-dump-thread/page70#post1735627