Diagnosing and Replacing Failed LED Modules and Receiving Cards

Common Symptoms LED module failures typically present as: Entire modules displaying black or blank Modules appearing dimmer than surrounding areas Discolouration visible on white or bright content Intermittent dropout (modules flicker or go dark under load) Physical displacement (module "popped out" or loose in frame) Diagnosis Steps Visual inspection: Check module seating, retention clips, and physical alignment in the frame. Connection integrity: Inspect data ribbon cables and power connectors