Chosen Solution
Hello to all , Iphone 6 no longer works backlight. I have tested continuity on FL2024-FL2025-FL2026 and are OK. Voltage on FL2024 is 3.8 V FL2025-FL2026 is 0.2 V how should I proceed ?
The first thing to check is wether you have a good screen or not. If you have already done that, then start going upstream on the backlight circuit. You should have ~22V on FL2024. That implies that the boost circuit is not working. Check the diode, D1501 and then the coil L1503. Otherwise, it will be the IC U1502.
