If the TV turns on, the standby indicator changes from red to green, and you can hear audio but see no image, the LED backlight system has likely failed. The Flashlight Test
While holding those buttons, plug the AC power cord back into the wall. sharp lc-32le150m service manual
Shine a bright light directly at the LCD panel at a close angle. If you can see faint images or menu text moving on the screen, the LCD panel is working, but the backlight system is offline. If the TV turns on, the standby indicator
Attempt the physical button recovery sequence ( VOL- + INPUT ). If unsuccessful, desolder and reflash the EEPROM. If the TV turns on