December 14, 2025

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Creality V2 2 Board Diagram 〈PLUS 2025〉

Below is a textual representation of the top-down layout. For a true visual, search Creality’s official GitHub or community-drawn schematics.

[USB Port]    [MicroSD]    [Reset Button]
    |             |              |
[LCD EXP3]  [LCD EXP2]  [LCD EXP1] — to Ender 3 V2 Screen
    |
[E Power In] (24V DC) - Fuse F1 (15A)
    |
[Hotbed Out] (MOSFET controlled)
    |
[Heater Out] (Hotend cartridge)
    |
[Fan0 (Part Cooling)] - PWM capable
[Fan1 (Hotend Fan)]  - Always on when heater active
[Fan2 (Controller Fan)] - Optional
    |
[X-Motor] [Y-Motor] [Z-Motor] [E-Motor] (4x TMC2208 in standalone)
    |
[X-Stop] [Y-Stop] [Z-Stop] (Mechanical endstops - 3 pins each: GND, SIG, VCC)
    |
[Thermistor TH0 (Hotend)] [Thermistor TH1 (Bed)]
    |
[Probe Port] (5 pin: GND, VCC, PA1_SERVO, PB7_PROBE, GND)
    |
[Filament Runout Sensor] (2 pin)

Appendix A – Full MCU pinout table (available upon request for 64‑pin LQFP mapping).
Appendix B – PCB layout thermal image analysis (identifies hot spots: MP1584, bed MOSFET). Creality V2 2 Board Diagram

End of Paper

| Symptom | What the Diagram Reveals | Fix | |----------------------------------|----------------------------------------------------|------| | Heater not reaching temperature | Check TH0 thermistor pull-up resistor (R5, 4.7kΩ) | Replace R5 or thermistor | | Stepper motor grinding noise | MS1/MS2 jumpers missing or in wrong mode | Set jumpers for 16 microsteps | | BL-Touch deploys but doesn’t stop | PB7 is not reading because bed heater is active | Use Z_MIN_PROBE_PIN override | | USB not recognized | Fuse F2 (500mA) blown near USB port | Solder 0603 500mA PTC fuse | | Random thermal runaway | Poor solder joint on HEATER_BED MOSFET gate | Reflow Q2 with solder iron | Below is a textual representation of the top-down layout

#define BLTOUCH
#define SERVO0_PIN         PB5
#define Z_MIN_PROBE_PIN    PC14   // shares Z endstop pin

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