Jdm040 Schematic Exclusive Jun 2026

| | Likely Cause | Suggested Fix | Reference | | :--- | :--- | :--- | :--- | | Won't turn on or charge | Missing surface-mount resistors (0201 size) | Locate and solder a 100kΩ resistor and a 100Ω resistor on the board | | | Circle & triangle buttons stuck together | Short circuit in the button membrane (conductive flex) | Clean the board with isopropyl alcohol or replace the JDM-040 conductive flex | | | L1 button activates by itself | Faulty button membrane or debris | Replace the button ribbon cable/sheet for the controller | | | Unresponsive buttons / Drifting | Worn-out button film / Worn-out potentiometers | Replace the button ribbon cable / Replace joystick modules | |

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 jdm040 schematic exclusive

The refers to a specific motherboard revision for the | | Likely Cause | Suggested Fix |