Acer Aspire E1-772G V3-772 EA70HW_2.0 Schematics & Boardview

Acer Aspire E1-772G V3-772 EA70HW_2.0 schematics, boardview, bitmap, and PCB layout files are available for laptop repair technicians working on board-level diagnostics, power rail tracing, and component-level fault finding. These files provide the reference data needed to follow the power-on sequence, locate failed components, and verify voltages against the designed values.

Acer Aspire E1-772G V3-772 EA70HW_2.0 Hardware Solutions

Acer Aspire E1-772G V3-772 EA70HW_2.0 No Power and Dead Board Solution

this device completely dead, no power light, and no standby voltage diagnosis.

Acer Aspire E1-772G V3-772 EA70HW_2.0 DC Jack and Charging Port Solution

this device DC jack replacement, adapter detection, and charging port faults.

Acer Aspire E1-772G V3-772 EA70HW_2.0 Charging IC and Battery Solution

this device battery not charging, charging IC faults, and battery detection circuits.

Acer Aspire E1-772G V3-772 EA70HW_2.0 Power Sequence Solution

this device S5 to S3 to S0 power-on sequence, enable signals, and power good lines.

Acer Aspire E1-772G V3-772 EA70HW_2.0 EC Embedded Controller Solution

this device EC chip faults, EC firmware, and power button signal tracing.

Acer Aspire E1-772G V3-772 EA70HW_2.0 CPU Core Voltage and VRM Solution

this device VCCIN rail, CPU VRM circuit, and core voltage not generating.

Acer Aspire E1-772G V3-772 EA70HW_2.0 RAM and DDR Voltage Solution

this device no boot with RAM installed, DDR VTT and VREF rails, and slot repair.

Acer Aspire E1-772G V3-772 EA70HW_2.0 PCH and Chipset Solution

this device PCH faults, chipset reballing, and platform clock issues.

Acer Aspire E1-772G V3-772 EA70HW_2.0 LCD Display and eDP Solution

this device no display, eDP and LVDS signal tracing, and panel connector faults.

Acer Aspire E1-772G V3-772 EA70HW_2.0 LCD Backlight Solution

this device dim screen, backlight driver circuit, and LED boost converter repair.

Acer Aspire E1-772G V3-772 EA70HW_2.0 Graphics and GPU Solution

this device GPU faults, dedicated graphics power rails, and external monitor output.

Acer Aspire E1-772G V3-772 EA70HW_2.0 Keyboard and Touchpad Solution

this device keyboard not working, touchpad faults, and FPC connector repair.

Acer Aspire E1-772G V3-772 EA70HW_2.0 USB and Type-C Port Solution

this device USB ports not detecting, Type-C circuit, and port power faults.

Acer Aspire E1-772G V3-772 EA70HW_2.0 Audio Codec and Speaker Solution

this device no sound, audio codec faults, and speaker amplifier circuits.

Acer Aspire E1-772G V3-772 EA70HW_2.0 WiFi Bluetooth and M.2 Solution

this device wireless card not detected, M.2 slot power, and antenna circuits.

Acer Aspire E1-772G V3-772 EA70HW_2.0 LAN and Ethernet Solution

this device Ethernet port not working, LAN controller, and magnetics faults.

Acer Aspire E1-772G V3-772 EA70HW_2.0 SSD NVMe and SATA Solution

this device drive not detected, NVMe and SATA slot power rails, and data lines.

Acer Aspire E1-772G V3-772 EA70HW_2.0 Fan and Thermal Shutdown Solution

this device fan not spinning, thermal sensor faults, and overheating shutdown.

Acer Aspire E1-772G V3-772 EA70HW_2.0 RTC and CMOS Battery Solution

this device time reset, RTC circuit, and CMOS battery voltage faults.

Acer Aspire E1-772G V3-772 EA70HW_2.0 Webcam and Card Reader Solution

this device webcam not detected and SD card reader circuit repair.

Acer Aspire E1-772G V3-772 EA70HW_2.0 Component Names and Test Points

Identify this device motherboard components, reference designators, and test points.

Motherboard Diagram and Circuit Information

The motherboard diagram reveals the power distribution, with the always-on 3V and 5V rails brought up in sequence by the embedded controller. The voltage regulator module (VRM) generates the 12V VCCIN supply, which is then distributed to various components. The power-good chain is released by the EC, indicating that the board is ready to start the power-on sequence.

Schematics File

The schematics file provides a detailed understanding of the board's circuitry, allowing technicians to plan repairs and diagnose issues. By following the power-on sequence from the adapter to the CPU, technicians can identify faulty components and plan their repair strategy.

Follow the power-on sequence from the adapter to the CPU
Trace always-on rails, enable lines, and power-good signals
Identify the component behind a shorted or missing rail
Check EC, PCH, and clock connections against the design
Plan component-level repairs using pinout and net data

Boardview and Bitmap

The boardview and bitmap files provide a visual representation of the motherboard's physical layout, allowing technicians to quickly locate components and trace nets. By cross-referencing the schematic with the physical layout, technicians can accurately identify components and verify their connections.

Find any component by reference designator in seconds
See which side of the board a part sits on
Trace a net to every pad it touches
Cross-reference the schematic with the physical layout

Common Faults on This Board

This board is commonly brought to a repair bench due to issues such as no power, no display, not charging, and dead after liquid damage. These faults often require component-level repairs, making accurate diagnosis and planning crucial for a successful repair.

Why These Files Matter

The availability of these files is essential for laptop repair technicians, as it provides the accurate repair data needed to shorten diagnosis times, prevent guesswork replacements, and improve repair success rates. By using these files, technicians can quickly identify faulty components, plan their repair strategy, and ensure a successful outcome.