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NOTE 3: LA series of this Samsung TV was assembled just to export to IRAN but same model with another prefix code (LN. NOTE 2: I also replace some bulgy electrolytic caps from the power supply before checking the voltages NOTE 1: Since this TV was old, it took me time to resoldered all the bad joints Since I have the master copy of this EEPROM IC, by using an EEPROM programmer it was easy for me to overwrite the existing corrupted memory. In this model of Samsung TV, if power supply is good but TV does not turn on, the suspect is usually EEPROM- IC 24c02n and the program of this IC must have been corrupted. I found all the output voltages to be good

I received this TV with no life and when I plugged in nothing happened just the front red LED was blinking and the TV did not turn on!Īfter opening the cover I faced with three PCB circuit boards such as power supply, main board and t –con board.įirst I started with power supply I checked all the output voltages