The Compal LA-9413P rev 1.0 schematic is a technical diagram used for the motherboard of laptops such as the Dell Latitude E6540.
While direct public downloads for the exact "LA-9413P" file can be difficult to find due to its proprietary nature, technicians often use documentation for nearly identical boards or purchase the specific diagram from dedicated schematic repositories. Key Specifications of LA-9413P Motherboards
CPU/Chipset Support: Designed for Intel Haswell processors with Lynx Point chipsets. Graphics : Supports discrete GPUs, specifically the AMD Radeon HD 8790M (Mars M2). Memory: Uses DDR3L SDRAM.
Interfaces: Primarily features an eDP (embedded DisplayPort) screen interface, though some similar schematics might use LVDS. Where to Find the Schematic
Purchasable Downloads: You can find professional copies of the schematic on sites like Laptop-Schematics.com, though they often note that the available diagram may be for a similar motherboard with minor interface differences. la-9413p rev 1.0 schematic
Technical Communities: Sites like Badcaps.net often host various Compal schematics (such as the related LA-9591P or LA-8241P) that may share similar power rail structures.
Archive Resources: Technical archives on Scribd or Telegram frequently host collections of Compal schematics for repair professionals. Compal LA-8241P
Q: Is the LA-9413P Rev 1.0 the same as the LA-9414P?
A: No. LA-9414P is usually a different chipset (maybe AMD). Do not interchange schematics. Always match the exact part number.
Q: I have an HP G6 2200dx – will this schematic work?
A: Yes, most HP G6 and Compaq CQ58 with Intel HM70/HM76 use LA-9413P Rev:1.0. Remove the bottom cover and check the white barcode label near the RAM slot to confirm. The Compal LA-9413P rev 1
Q: Can I repair a liquid-damaged LA-9413P with only the schematic?
A: Yes, but you also need a multimeter. Look for corrosion on the power ICs listed in the schematic. Clean with isopropyl alcohol and check resistance to ground using the schematic's resistance tables.
| Rail Name | Voltage | Function | Key Component | | :--- | :--- | :--- | :--- | | +3VS | 3.3V | System Run Power | PQ50x Series | | +5VS | 5.0V | System Run Power | PQ50x Series | | +1.05V_PCH | 1.05V | PCH Core Power | PU4 (RT8207 / TPS512xx) | | CPU_CORE | 0.6V - 1.1V | CPU V-Core | PU1 (ISL95813) | | +1.35V_DDR | 1.35V | DDR3L Memory Power | PU501 |
Q1: Can I use the Rev 1.0 schematic for a Rev 2.0 board? No, but often yes for power and basic I/O. However, component locations (boardview) will differ. Always find the exact revision.
Q2: Is the LA-9413P Rev 1.0 Intel version different from AMD? Yes. The Intel version uses a different PCH (e.g., Bay Trail) and a different power management IC. The AMD version has an AMD A-series APU. Check the page titled "CPU Configuration" in your PDF. the schematic provides replacement part numbers.
Q3: I lost the PDF. Can I repair without it? Hardly. You cannot identify pull-up resistors, enable pins, or BGA ball mapping without it. Even veterans use schematics for every repair.
Q4: What is the best software to open boardview for LA-9413P?
Use OpenBoardView (free, open source) or PCB Repair Tool. The file extension is usually .cad or .brd.
Q5: My board has water damage. Can the schematic help? Absolutely. Search for "corrosion near PU301". The schematic tells you what PU301 does (e.g., 1.05V PCH rail). Even if the component label is gone, the schematic provides replacement part numbers.