The JDM-040 schematic highlights several key features:
The VBUS lines (Pins 11 and 12) drop 5V directly down to the motherboard's primary Power Management Integrated Circuit (PMIC). The PMIC steps down this voltage to to power the core ARM microcontroller and the Bluetooth radio.
The integrated 2.4GHz PCB trace antenna and its matching impedance network (pi-filter).
If the controller turns on but refuses to sync via USB or Bluetooth, inspect the small tactile reset button on the back of the board. A stuck reset switch will keep the MCU in a permanent reboot loop. jdm-040 schematic
Connects the main motherboard to the JDS-040 charging board. The pinout is specific to this generation and is not interchangeable with JDS-030 or earlier models.
Replace the conductive rubber pad. If the issue is on the PCB side, it might require a bridge on the specific button via mentioned in the Acidmods schematic . 4. Controller Not Turning On (No Light)
The JDM-040 board represents a significant shift from the older JDM-001/011/020 models. It was designed to improve durability and simplify the manufacturing process. JDM-040 / 1-981-330-xx Compatibility: CUH-ZCT2x (Second Gen PS4 Controllers). USB Daughter Board: Uses the Go to product viewer dialog for this item. The JDM-040 schematic highlights several key features: The
Each analog stick uses two 10k-ohm potentiometers (X and Y axis). The schematic shows these connected to a 3.3V reference rail; movement changes the voltage output, which the SoC converts to digital coordinates. Resistor Networks:
: On this schematic, the "Share" and "Options" buttons are typically surface-mounted components on the board itself rather than being part of a combined rubber contact pad assembly seen in older revisions.
: The JDM-040 uses a unique flexible button membrane. Unlike the later JDM-050/055 versions, which have symmetrical cutouts, the 040 sheet has a specific asymmetrical peg layout , making it non-interchangeable with newer versions. If the controller turns on but refuses to
Each potentiometer has three pins: Outer Pin 1 (3.2V or 1.8V Ref), Middle Pin 2 (Signal wiper running to the MCU), and Outer Pin 3 (Ground).
are thinner than older models, making it susceptible to "pad lifting" if a technician applies too much heat during a joystick replacement. Fuse Protection:
The JDM-040 uses two 3D analog joystick modules. Each module contains two 10k-ohm potentiometers (one for the X-axis, one for the Y-axis) and a tactile push-button (L3/R3).