In this video, a technician diagnosed a 2019 MacBook Pro 16 inch with a "powers on, no display" issue. The technician identified a problem with the backlight circuit, potentially caused by faulty capacitors. Using a thermal camera and voltage injection, they located a specific faulty capacitor (2.2 microfarads), replaced it, and successfully restored the laptop's backlight, fixing the problem. The video also promoted tools available for purchase on their website.
Sure, here are the key facts extracted from the text:
1. The device being worked on is a 2019 MacBook Pro 16 inch.
2. The customer reported an issue with the power being on but no display.
3. The model number of the MacBook Pro is a2141, and the board number is 820-00170-00.
4. The problem is related to the backlight circuit, and it could be caused by an issue with the LCD, the flux gate connecting the LCD to the motherboard, or a motherboard problem.
5. The technician is using a schematic diagram and a board view diagram to diagnose and locate the issue.
6. They identified a faulty capacitor (2.2 microfarads) labeled as "c8462" as the likely culprit.
7. They used a thermal camera to confirm that this capacitor was heating up when voltage was applied.
8. After removing the faulty capacitor, they successfully fixed the issue, and the laptop's backlight was restored.
9. The technician also mentioned that viewers can purchase tools and components from their website, northridgefix.com.
Please let me know if you need any additional information or if there's anything specific you'd like to know more about.