Based on professional repair guides, here are the primary components often documented in these schematics: Charging Issues
If you are still struggling to find a "fixed" version, you can start troubleshooting without the full PDF using this mini-reference guide derived from the corrected original: oppo a15 schematic diagram pdf fixed
: Solutions for fluctuating displays or non-working lights often involve reballing the CPU or checking the Vph line coil. : Specific Charging Ways Solution Based on professional repair guides, here are the