Here is the sony triage sheet for your tv.
Sony bravia power supply board problems.
Sony bravia 40 lcd tv.
Some xbr x930d series bravia televisions may experience an issue where they will not power on due to a problem with the power supply circuit board.
Dear valued sony customers some kd x9300d series bravia televisions may experience an issue where they will not power on due to a problem with the power supply circuit board.
Called repairman who took tv away for diagnosis fix.
Once youve determined which board you need you should double check with a professional before you attempt to replace the power supply on your own.
Thelazydj i would have measured the output from the power supply to the mainboard first.
Since you already replaced the main board and the cable you only have the power supply left.
Sony bravia 40 lcd tv had a power supply problem.
Called repairman who took tv away for diagnosis fix.
Make offer sony power supply board gl73 aps415 198219211 for xbr75x850e 75 4k android tv sony power supply board 1 474 715 11 1 983 329 11 for xbr55x900f 55 4k tv 29 99.
Owners of the sony bravia tv should replace the power supply with a make and model thats specifically designed for that television.
Remember that it is your main board that turns on the power supply etc.