I turn it on it comes but it will blink 4 times and then turn off

Hello I have a 65 in Phillips tv model 65SPFL7900/F7 and I turn it on it comes but it will blink 4 times and then turn off can you help me out please

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have you done any testing? need to know voltages on the power supply to troubleshoot. do you have a digital multi meter? are you comfortable taking readings? 4 flashes typically indicate protection mode due to overcurrent. either leds or failed stepdown ic/mosfet

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