Problem
- Display light / Backlight not working.
- Check your phone brightness settings. (This is the only manual solution for this problem)
- The very first thing that you need to do is to re-solder all the pins of Note Display on-board connector and check LCD screen.
- If the above step fails then check it with a good working LCD screen.
- Now check both capacitors (Capacitor 1 and Capacitor 2) with their side’s first pin of display on-board connector. If any of them is faulty, replace them.
- Now Check Continuity between +ve terminal of the battery with display IC’s first pin.
- Check all the display IC capacitors for continuity, if any of them is faulty then change it.
- If the above step fails then gently heat display IC and check, if it still fails then change it.