If the screen colors appear distorted or "ghostly" after a board replacement, navigate to Factory Setting > Panel Setting and adjust the MAP Data (there are typically 16 items to cycle through) until the picture is clear.
The is a popular universal LED/LCD TV mainboard based on the V59 chipset, widely used by technicians to repair or upgrade televisions from 14 to 55 inches. To access its hidden configuration settings, such as panel mapping or logo customization, you must use a specific service code . Primary Service Code for HDVX9-AS V4.2 hdvx9-as v4.2 service code
Once you enter the service mode (often labeled as "Factory Setting"), you can perform several critical maintenance tasks: If the screen colors appear distorted or "ghostly"
Fine-tune the dynamic contrast, color temperature, and backlight levels that are not available in the standard user menu. Primary Service Code for HDVX9-AS V4
Understanding the board's capabilities helps when troubleshooting via the service menu: Supports up to Full HD 1920x1080 at 60Hz. Inputs: Features VGA, HDMI (1.3), USB, and AV ports.
Alternatively, if that code does not work, try the common universal board entry code: . Common Uses for the Service Menu