Could you please provide more context or clarify what you're looking for? Are you interested in:
Before the laptop can register a power button press, the standby controller must generate the always-on voltage rails (+3VALW and +5VALW). Check the standby inductors/coils with a multimeter.
Search for LA-E801P Rev 2.0 schematic PDF on reliable electronics repair forums like Badcaps or Telegram schematic groups. lae801p rev 20 schematic better
If the board turns on but shows no image, verify the DRAMRST signal. A missing signal often points to a BIOS corruption or a faulty RAM controller (e.g., G5616B), which is properly documented in the updated schematics Badcaps. 3. BIOS Management
Elias opened the attachment. It was labeled . Could you please provide more context or clarify
[19V DC Jack Input] ──> [First Input MOSFET (PQA1)] ──> [Current Sensing Resistor] │ ┌─────────────────────┴─────────────────────┐ ▼ ▼ [3.3V/5V Standby IC] [Charging IC] │ │ [+3VALW / +5VALW] [Battery Charging] │ ▼ [Embedded Controller (EC)] │ (Power Button Pressed / SLP Signals) │ ▼ [System Rails: DDR4 / CPU] Step 1: Trace the 19V Primary Rail (VIN)
Rev 20 shifts from passive protection to active clamping. Search for LA-E801P Rev 2
If you are evaluating or creating an improved version, ensure these sections are present:
While the LAE801P Rev 2.0 is a remarkable device, its schematic diagram can be complex and challenging to work with. Common issues include:
While some repair sites and forum users suggest that schematics from very similar boards (like the or LA-E802P ) can be used interchangeably, this is not always 100% accurate. A schematic for the LA-E791P might have minor differences in component values or pin configurations compared to your LA-E801P. Always try to locate the exact schematic for your board's model and revision number first. A "good enough" schematic can often be the difference between a successful fix and a costly mistake.
If you are looking for specific component measurements (like resistance or voltage values) for the , I can provide those if you can tell me which section of the board you're working on (e.g., input power, CPU power, BIOS).