| Problem | How the Diagram Helps | |---------|------------------------| | No power | Trace 3.3V_STBY from power supply to SIO chip. | | Blue light then off | Check APU_CORE voltage at inductors near APU. | | No display but white light | Locate HDMI retimer chip and its power pins. | | Overheating | Find thermal diode test points (TP for temp sensor). | | Corrupted system update | Locate NAND chip (U32) and check its data lines. |
If you search online for “PS4 motherboard diagram,” you’ll find multiple layouts. Here’s why: Ps4 Motherboard Diagram