To enter the service menu, press the Input and Power buttons simultaneously on the TV while plugging it in or turning it on. Once the red light blinks faster, some models require a joystick sequence (up-down-up-down) followed by the Input button to open the menu.
) detail how to enter using a test remote or specific button combinations to perform white balance adjustments. General Service Guide : A summary guide for the LC-40LE185M sharp lc-40le185m service manual
This can be a T-Con issue, bad LVDS cable, or panel bonding failure. Step-by-step: To enter the service menu, press the Input