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Look for spi flash Winbond W25Q40CL on the board, read the dump from it and post it here, I will fix it, and you will write it back and your TV will work again...Leave a comment:
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Trying to Save - Samsung UN40MU6300 - No Signs of Life
Picked this one up today.
No signs of life whatsoever. No red led light from the IR module.
Disconnected the mainboard to see if PSU was working and it was (LED backlights lit up).
Checked the power button for continuity when buttons were pressed and I got readings.
Disconnected various components (speaker, wifi module) with no difference.
Checked mainboard's fuses (found 3) and they were all good.
I looked on shopjimmy to see what components I may have been missing and I saw that they were selling EEPROMs.
Then it dawned on me that this maybe exactly what the issue is.
I have read you guys stories about bad EEPROMs and how the TV would exihibit very strange behavior like remote not working and even complete death.
What tests would I do to verify i have an EEPROM issue being that the TV is completely unresponsive.
I actually have an EEPROM reader/writer I purchased when I thought i had a EEPROM problem with the TV but it turned out not to be the case.
I have included pics. The fuses I have IDd are highlighted in yellow and (what I believe to be) the EEPROM is highlighted in pink.
Added a higher resolution pic from ShopJimmy for reference.
I quick search here on Badcaps showed no results for this model TV.
Thanks in advance
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