this part of the circuit is called the low voltage power supply,which supllies voltage to transistors & ICs; u can locate it by finding the large filter capacitor & low voltage silicon diodes.
after you power the tv switch on, the rectifier diodes rectify one half of the full cycle,then the large filter caps filter rippled dc voltage.
then voltage passes through the R-C filter network passing the signal to a large regulator IC.chk the attached photo.
any time ,
Regards,
TeE ThE EdE
It is a "flyback-converter" circuit that converts AC to DC in TVs.This circuit is called "switch mode power supply" which is different from linear regulators.In this circuit there are a transformer,capacitors,resistors,diodes and transistors.They convert 220V AC to 120V,40V,6V,5V...DC whatever you want.It depends on the ratio of N2/N1 of transformer.
It is a "flyback-converter" circuit that converts AC to DC in TVs.This circuit is called "switch mode power supply" which is different from linear regulators.In this circuit there are a transformer,capacitors,resistors,diodes and transistors.They convert 220V AC to 120V,40V,6V,5V...DC whatever you want.It depends on the ratio of N2/N1 of transformer.