The ADV7123KSTZ140 Video DAC is a widely used device in high-performance video applications. However, users may occasionally encounter output signal abnormalities that hinder its performance. This article delves into common issues with the ADV7123KSTZ140, methods for troubleshooting signal issues, and techniques to optimize output signal quality. Whether you're a seasoned technician or a newcomer to the world of digital-to-analog conversion, this guide will help you enhance your device's functionality and ensure high-quality video output.