someone who could support me with the source diagram is turned off and does not turn on the stand by already check fuses and mosfet diodes and apparently has nothing burnt

use the arrows and zoom to see what you occupy, greetings I leave there the service manual and after the solutions hasle an update also I leave the link https://www.manualslib.com/manual/1199216/Philips-50pfl4909-F7.html?page=36#manual to update it: software upgrade: http://www.p4c.philips.com/cgi-bin/cpindex .pl? scy = CO & slg = EN & ctn = 50PFL4909 / F8 regards !