power supply sits under load

[papele]

I have a lg 19 volt power supply I replaced the diode radiator. now the voltage of 19 volts is present but as soon as I insert the load it sits down.what can I do? Thanks you.

[Aristak]

Check capacitors

[papele]

good morning can be the mos?

[Aristak]

Not

[papele]

I replaced all the capacity but it keeps going in shutdown.remains alone OB5269.