TV is completely dead.
It has no indication and in its power supply I have only 3.5V and nothing else.
TV Philips 42PFL3403D/12 with PSU DPS-279BP What links do I need to make to function fully after I have left it from the main body of television to have a complete indication of the voltage measurements it has to give.
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Those power supplies are heavy difficult to repair, examine it for a blown capacitors or burnt out other parts. If everything looks fine, you have to take the schematics and check everything, it's often a PWM ic, FET or inverter IC or circuits failure.
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@nikolaosdy98081 you have not told us (or shown us Adding images to an existing question ) where you've measured the 3.5V. That could be the standby voltage. That would meant that the issue might actually be related to the main board instead of the power board. It is the mainboard that tells the power board to turn on the rest of the circuits. You would need to check the PSON voltage on CN6 since that is what turns your power supply on.
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