Jdm040 Schematic Exclusive -
Recommend a replacement if your controller won't charge. Explain the pinout for the mainboard-to-USB flex cable . Let me know how you'd like to proceed with the repair . DualShock 4 Controller PCB scans - Acidmods.com
Look for liquid corrosion around the MCU, cracked solder joints on the micro-USB daughterboard, and burned components near the battery terminal. jdm040 schematic exclusive
What is the controller showing (e.g., dead, drift, charging issue)? What voltages did you get on the test points? Do you see any visible liquid damage or burnt components ? Recommend a replacement if your controller won't charge