This LG Model RP-20CB20A TV with SC-023A chassis, when connected to the network, starts with a ticking sound of oscillation and voltage + B up to 50V fluctuating, this fluctuation is also noticeable in the stamby pilot that turns on and off the fluctuation rate I have checked all the peripheral components of the regulator, and replace the STRF6654 with another one used in good condition, perform the test with the 60W bulb, check the optocouplers, and nothing that gets the fault, continue the same, I thank everyone for the collaboration thanks.

hello colleague check the + by diode and the cap attached to the diode if you are not sure it is better to change it comments