Power Supply Board for Samsung TV BN4400625A BN4400625C for UN55F6400AF UN55F6100AF UN55F6800AF

Replacement display main board compatible with models UN55F6400AF UN55F6100AF HG55NB690QF UN55F6800AF UE55F6500SS HG55NB690Q Quantity: 1 piece Style: Display equipment Product overview This replacement main board is designed for compatible 55 inch display equipment and restores core smart TV functions. It provides reliable memory capacity for storing user settings and applications, a tuned image processing module for improved picture quality, and a heatmanaged circuit layout for stable longterm operation. Key benefits Restores functionality: Replaces a faulty main board to recover system settings, smart features, and app storage without needing a full display replacement. Improved picture processing: Builtin image processing module enhances contrast, clarity, and color saturation for a noticeably better viewing experience. Stable longterm performance: Thoughtful circuit layout and an effective heat dissipation structure reduce thermal stress and help prevent performance degradation during extended use. Broad compatibility: Designed to match the listed model numbers and to integrate with original screen and power interfaces for easier maintenance and replacement. Maintenancefriendly design: Uses commonly available, compatible electronic components to simplify repairs and reduce replacement time. Technical highlights Ample onboard memory for storing settings, applications, and cache data to support smart TV functionality. Professional image processing circuitry to improve visual quality across movies, shows, and games. Optimized PCB layout and thermal paths to dissipate heat and maintain stable operation during prolonged playback. Component selection focused on compatibility with the listed TV models and related display hardware. Compatible models UN55F6400AF, UN55F6100AF, HG55NB690QF, UN55F6800AF, UE55F6500SS, HG55NB690Q Typical use scenarios and maintenance: a damaged or nonfunctional main board to restore a display that no longer boots, shows no image, or has limited smart features. Image quality restoration: Upgrade a unit with color, contrast, or clarity issues caused by a failing processing board to regain acceptable picture performance. Service spare part: Keep as a stocked replacement board for field repairs or in diagnostics to minimize turnaround time for customers. What to check before Confirm the exact model number of your display matches one of the listed models. Compare connector layout and mounting points with your existing board to ensure proper fit. If unsure about model compatibility, capture a clear photo of your current board and interface areas for comparison during installation. This replacement main board provides a practical, maintenanceoriented solution for repairing compatible 55 inch displays while improving image processing and ensuring stable operation under extended use.