Question:

How to troubleshoot a TV with black screen or vertical/horizontal lines?

Answer:

Before setting the TV for service, follow these steps:

Check for cracks on the TV screen (if applicable). Request pictures to confirm.

Request pictures to show dead pixels or V/H lines. This helps in identifying issues.

Use the SMS tool to send picture requests and the BOS (Basic Operating System) for troubleshooting purposes.

Terms:

Black Screen: A display issue where no image appears on the TV.

Cracks: Damage visible on the surface of the TV screen, often causing distortion or complete failure.

Dead Pixels: Pixel elements on the screen that cease to function, creating a fixed area of color or darkness.

Vertical/Horizontal Lines (V/H lines): Display artifacts appearing as solid lines on the screen, disrupting the image quality.

SMS Tool: A communication platform used by technicians to receive images and provide support remotely.

Basic Operating System (BOS): The foundational software that controls the TV's functions and operations.