hello everyone I need your valuable help I explain tv sharp model 27sc26br which for its post lower the chassis gb-3d-1w, because since the chassis of my tv does not bring that number on the board but that is the closest, I TELL you that the TV turns on normal with its blue screen but with a black screen closed in the middle from top to half and does not grab an antenna or audio signal, after 5 seconds the screen is turned off first and 2 seconds later the TV is turned off complete, which is being protected. EYE THIS TV DOES NOT HAVE ESTAMBY LED. primary filter voltage 160v secondary 133v + b 133v checked I suspect vertical their measurements are pin 1: 2.1v pin 2: 11.7v pin 3: -11.7v pin 4: -11.7v pin 5: -1.7v pin 6: 10.7v pin 7: 2.2v voltages measured in DC pin 5 is the one I don't see its voltage well I want to replace the integrated one to see if it is damaged but the one I have at hand are the following ones LA78141 AND LA78040N I hope they help me to see if they are compatible just to test the TV to see if their protection is x vertical and to be able to buy the original. GREETINGS TO ALL AND THANKS BEFORE HAND