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Acer HARLEY TAB A3-A20 User Manual

Acer HARLEY TAB A3-A20
109 pages
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HARLEY TAB A3-A20/A3-A20FHD
SERVICE GUIDE
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Acer HARLEY TAB A3-A20 Specifications

General IconGeneral
Display Size10.1 inches
Resolution1280 x 800 pixels
RAM1 GB
Internal Storage16 GB
Rear Camera5 MP
Front Camera2 MP
WirelessWi-Fi 802.11 b/g/n
BluetoothYes, v4.0
ProcessorQuad-core 1.3 GHz
Expandable StoragemicroSD up to 32 GB

Summary

Disclaimer

Warranty and Liability

Statement regarding Acer Incorporated's warranties, software licensing, and limitation of liability for defects.

General Information

Ordering FRU Parts

Guidance on checking the latest information for FRU parts via regional web or channel and potential part number changes.

For Acer-authorized service providers

Information for authorized providers regarding part number differences and the use of regional FRU lists for ordering.

CHAPTER 1 Product Features and Hardware Specifications

Features

Summary of the tablet's main features, including form factor, OS, dimensions, weight, CPU, memory, LCM, storage, GPS, and camera specifications.

Tablet Tour

Visual overview of the tablet's external components and layout, showing six different views.

Front View

Detailed illustration and identification of components on the front of the tablet, including the touch screen and front camera.

Rear View

Detailed illustration and identification of components on the rear of the tablet, including the rear cover module and rear camera.

Top View

Illustration and identification of components located on the top edge of the tablet, such as volume and power keys.

Bottom View

Illustration showing the bottom edge of the tablet, typically containing ports or speakers.

Left View

Illustration and identification of components on the left edge of the tablet, including various ports and keys.

Right View

Illustration of the right edge of the tablet, typically showing minimal components or a clean profile.

System Block Diagram

A schematic illustrating the internal components and their interconnections within the tablet.

CHAPTER 2 Diagnostic Utilities

Introduction

Overview of the diagnostic tools available for software upgrading and writing device-specific codes like SN/IMEI.

Flash Tool SOP

Step-by-step instructions for using the Flash Tool to upgrade software, including opening the tool and downloading firmware versions.

Writing Tool SOP

Environment Requirement

Specifies the necessary hardware and software configurations for using the Writing Tool, including OS and required tools.

Re-write Country Code SOP

Guide on rewriting the country code using extension files in the WriteStation Tool for specific regions.

How to Check Wifi Channel

Procedure to access engineering mode and check the current Wi-Fi channel on the tablet.

CHAPTER 3 Service and Maintenance

Introduction

General information on tablet maintenance, required tools, and procedures for component removal and installation.

Disassembly and Assembly Guide

Detailed, step-by-step instructions for safely disassembling and reassembling the tablet's internal components.

L2 Troubleshooting Guide

Troubleshooting procedures for common hardware faults, including boot failures, no ringtone, and display issues.

CHAPTER 4 Diagnostic Tool SOP

Introduction

Overview of the Diagnostic Tool SOP, detailing its purpose for hardware testing by maintenance personnel.

Installation Method

Instructions for installing the diagnostic tool APK, including enabling developer options and USB debugging.

Test Items and Functions

Covers the 15 diagnostic test items (Touch, LCM, Audio, etc.) and their main interface functions.

Test Content Description

Details procedures for 15 tests including Touch, LCM, Back Light, Audio, Key, Vibration, G-sensor, SD/ExSD, Wifi, BT, GPS, OTG, Camera, Battery, HDMI.

CHAPTER 5 Serial Number Definition

Introduction of Acer FG SN

Defines the structure and meaning of the 22-character Acer FG SN, including PN, Year, Week, and Sequence Number.

Understanding Acer FG SNID

Explains the SNID format and calculation method based on Acer FG SN, including year, week, and sequence number.

Acer FG Label and Its Barcode

Information on Acer FG labels, barcode standards (CODE-128), and label placement guidelines for ODMs.

Introduction of Acer KC PN and Acer KC SN

Details the structure and definition of Acer KC PN and Acer KC SN, similar to FG SN but for KC components.

CHAPTER 6 FRU (Field Replaceable Unit) List

Exploded Diagram and Description

Visual representation of the tablet's exploded parts with item numbers for reference.

Main Assembly Exploded Diagram

Detailed table listing all internal components with part names, descriptions, and quantities.

FRU List

Categorized list of Field Replaceable Units (FRUs) with Acer Part Numbers and descriptions for ordering.

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