Check the first and second MOSFETs (usually located near the DC jack connector). The schematic identifies the and VIN rails. If your laptop has no lights and won't charge, start here to ensure the 19V rail is crossing into the main system. 2. Standby Power (3.3V / 5V Rails)
🚩 Motherboard repair requires a multimeter, a DC power supply, and soldering skills. Never probe the board while the battery is connected. To help you further with your repair, could you tell me:
The "Always-On" rails are managed by a PWM controller (often a TPS series chip). The schematic will label these as and +5VALWP . Without these, the power button will never trigger the boot sequence. 3. The Charging Circuit la-9413p rev 1.0 schematic
This board uses two SPI Flash chips (UH2 and UH6). If power rails are present but there is no display, a BIOS re-flash is often required.
Use the Boardview file in conjunction with the schematic. While the schematic tells you how it's connected, the boardview tells you where the component is physically located. 📥 Where to Find the Schematic Check the first and second MOSFETs (usually located
What is the (No power, no display, or liquid damage)? Do you have a multimeter and DC power supply ready? Are there any visible burn marks on the board? AI responses may include mistakes. Learn more
Integrated Intel HD or Discrete NVIDIA (depending on sub-model) Super I/O (KBC): SMSC MEC1322 🔍 Key Sections of the LA-9413P Schematic To help you further with your repair, could
The LA-9413P Rev 1.0 is a Compal-designed motherboard. It typically houses 4th Generation Intel Core processors (Haswell architecture). Intel Shark Bay PCH: Lynx Point-LP Memory: DDR3L (Low Voltage)