What should be inspected if customers report pixelation on their TV?

When customers report pixelation on their TV, one of the main causes can often be attributed to issues with signal integrity. Inspecting signal strength and connections on the set-top box is crucial because pixelation typically indicates that the incoming television signal is weak or disrupted. This can happen due to various reasons such as incorrect wiring, loose connections, or interference from other devices.

Signal strength ensures that the TV is receiving a stable and clear broadcast, which is essential for maintaining picture quality. If the connections on the set-top box are loose or damaged, they can contribute to signal degradation, leading to pixelated images. By checking these factors, technicians can often identify and resolve the underlying issue that causes the pixelation, thereby restoring proper viewing conditions for the customer.

The other options, while important in their own contexts, do not directly address the technical issues that result in pixelation. For example, volume settings and color balance primarily affect audio and visual quality without directly influencing signal integrity. Remote control and battery level consider user experience elements rather than hardware or signal problems, and display settings and resolution deal with image clarity but do not solve problems related to signal strength or physical connections.