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Dang, that's still an issue with LG models? I had the same issue on my B7. I went with Samsung (www.rtings.com/tv/reviews/s...) on my last purchase and I do miss LG.
Samsung S90D OLED Review (QN42S90DAEXZA, QN48S90DAEXZA, QN55S90DAFXZA, QN65S90DAFXZA, QN77S90DAFXZA, QN83S90DAEXZA)
The Samsung S90D OLED (QD-OLED) is a high-end TV in Samsung's 2024 OLED lineup and only sits below the flagship Samsung S95D OLED. The TV features Samsung's new ...
www.rtings.com
June 2, 2025 at 10:03 PM
homeappliances003.bsky.social
Samsung QN77S90DAFXZA TV Power Supply Board Troubleshooting (Part: BN44-01329A)

Samsung TV Power Supply Board DC VSS (Part: BN44-01329A): www.hnkparts.com/samsung-bn44...

#SamsungTV #QN77S90DAFXZA #PowerSupplyBoard #TVRepair #HomeApplainceParts #SamsungTVParts #HnKParts
Is your Samsung QN77S90DAFXZA TV not turning on or stuck with a blinking standby light? This common issue can be frustrating, especially when everything else appears to be working fine. In many cases, the root cause is a faulty power supply board. In this video from HnKParts, we guide you through understanding how your TV’s power system works and what steps you can take to diagnose and fix the issue safely and effectively. What you’ll learn • What a power supply board does in your TV. • Common signs of a failing power board. • Causes like damaged capacitors and electrical stress. • How to safely inspect internal components. • When to repair or replace the power supply board. The power supply board plays a crucial role by converting incoming electricity into the correct voltage needed for your TV’s internal components. Over time, heat, voltage fluctuations, and wear can lead to failure. You may notice signs like no power, blinking lights, or inconsistent performance. This video walks you through safe troubleshooting steps, including inspecting capacitors, checking for visible damage, and testing the fuse. If you discover serious damage, such as burnt components or swollen capacitors, replacing the power supply board is often the best solution to restore performance and prevent further issues. Acting early can help extend the lifespan of your TV and avoid costly replacements. For dependable replacement parts and expert repair solutions, visit: https://www.hnkparts.com/tv-parts/pdp-boards Make sure to like this video, subscribe to our channel, and watch the full video for a complete step-by-step guide to fixing your TV power issues. HnK Parts is your trusted online store for high-quality home appliance parts in the USA. We offer a wide range of Stove & Oven Parts, Dishwasher Parts, Refrigerator Parts, Washing Machine Parts, and Dryer Parts to keep your appliances running smoothly. Shop with confidence for reliable and affordable replacements.
April 21, 2026 at 11:10 AM