Acer Fossil HD B1-760 User manual

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Fossil HD
B1-760 TABLET
SERVICE GUIDE

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Table of Contents
Chapter 1 Product Features and Hardware Specifications
Features………………………………………………….…………………………..……....…1-3
Tablet Tour…………………………………………………………………………….……......…4
Front View………………………………………………………………………….…...5
Rear View………………………………………………………………………….……6
Top View………………………………………………………………………….….….7
Bottom View………………………………………………………………………...….8
Left View……………………………………………………………………….……..…9
Right View……………………………………………………..……………...…...….10
System Block Diagram……………………………………………………………………..…..11
Chapter 2 Diagnostic Utilities
Introduction………………………………………………………………...………………….
Flash Tool SOP…………………………………………………………….........................
Rewrite SN / WIFI country code/ MAC & BT address SOP……………………............pending
Chapter 3 Service and Maintenance
Introduction……………………………………………………………………………….….
Disassembly and Assembly Guide…………………………………………………..........
L2 Troubleshooting Guide………………………………………………………….……....
Chapter 4 Diagnostic Tool SOP
Chapter 5 Serial Number Definition
Introduction of Acer FG SN…………………………………………………………...……
Introduction of Acer KC PN and Acer KC SN……………………………………….........
Chapter 6 FRU (Field Replaceable Unit) List
Exploded Diagram………………………………………………………………..………
FRU List………………………………………………………………………………..….

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Revision History
Please refer to the table below for the updates made on this service guide.
Date
Chapter
Update
Copyright
Copyright 2015 byAcer Incorporated. All rights reserved. No part of this publication may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any
language or computer language, in any form or by any means, electronic, mechanical, magnetic,
optical, chemical, manual or otherwise, without the prior written permission of Acer
Incorporated.
Disclaimer
The information in this guide is subject to change without notice.
Acer Incorporated makes no representatives or warranties, either expressed or implied,
with respect to the contents hereof and specifically any warranties of merchantability or fitness
for any particular purpose. Any Acer Incorporated software described in this manual is sold or
licensed “as is”. Should the program prove defective following their purchase, the buyer (and
not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary
servicing, repair, and any incidental or consequential damages resulting from any defect in the
software.
Acer is a registered trademark of Acer Corporation.
Other brand and product names are trademarks and/or registered trademarks of their
respective holders.

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General Information
This Service Guide provides you with all technical information relating to the basic
configuration for Acer’s global product offering. To better fit local market requirement and
enhance product competitiveness, your regional office may have decided to extend the
functionality of a machine (e.g. add-on card, modem, or extra memory capabilities). These
localized features are not covered in this generic service guide. In such cases, contact your
regional offices or the responsible personnel/channel to provide you with further technical
details.
When ordering FRU parts:
Check the most up-to-date information available on your regional web or channel. If, for
whatever reason, a part number change is made, it may not be noted in this printed service
guide.
For Acer-authorized service providers:
Your Acer office may have a different part number code than those given in the FRU list of
this printed service guide. The list provided by your regional Acer office must be used to order
FRU parts for repair and service of customer machines.

CHAPTER 1
Product Features and Hardware Specifications
Product Features and Hardware Specifications
Features………………………………………………….……………………..……….………1-2
Tablet Tour…………………………………………………………………………………..…….3
Front View………………………………………………………………………..….....4
Rear View………………………………………………………………………………5
Top View…………………………………………………………………………….….6
Bottom View………………………………………………………………………...….7
Left View……………………………………………………………………………..…8
Right View………………………………………………………………………..…….9
System Block Diagram………………………………………………………………….……...10

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Product Features and Hardware Specifications
Features
Following is a summary of the tablet’s main specifications:
Category
Description
Operating system
AndroidTM 5.0 (Lollipop)
CPU and chipset
MTK MT8127 quad-core Cortex A7 1.3 GHz processor
Memory
DDR3L memory support
• DDR3L 1 GB on-board system memory
Display
7.0" display with IPS (In-Plane Switching) technology, HD 1280 x 720,
high-brightness Acer ComfyViewTM LED-backlit TFT LCD
Wide viewing angle
Mercury free, environment friendly
Audio
Built-in mono speaker
Built-in microphone
Storage
• 32 GB eMMC
• 16 GB eMMC
• 8 GB eMMC
Card reader
• Supporting: microSDTM Card
Webcam
Video conferencing
Front webcam with:
• 640 x 480 resolution
Rear webcam with:
• 1600 x 1200 resolution
• VGA audio/video recording
Wireless and
networking
WLAN
• 802.11b/g/n wireless LAN
WPAN
• Bluetooth® 4.0
Location services
• GPS
Dimensions
and weight
Dimensions
• 107 (W) x 193 (D) x 9.9/9.9 (H) mm (4.21 x 7.6 x 0.39/0.39 inches)
pad only
Weight
0.285 kg (0.63 lbs.) with 1-cell battery pack
Color options
Black
Cerulean Blue
Power adapter
and battery
Power adapter
2-pin 10 W AC adapter
• 53.7 (W) x 41 (D) x 27.5(H) mm
• 45 g without DC cable
• AC power plug is interchangeable

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2-pin 7 W AC adapter:
• 38 (W) x 38 (D) x 27.7 (H) mm
• 40 g, without DC cable
• Fixed AC pins
Battery
• 13.3 Wh 3520 mAh 3.8 V 1-cell Li-polymer battery pack
Battery life up to 7 hours
Input and control
Control Keys
• Power button
• Volume up, volume down
Input and output
• microSD card up to 128 GB (SDHC compatible, exFAT compatible)
• USB
1x Micro USB 2.0 Type B, supports OTG
• 3.5 mm headphone/speaker jack, supporting headsets with built-in
microphone
Sensors
• Accelerometer (G-sensor)
Options and
accessories
• 2-pin 10 W AC adapter
• 2-pin 7 W AC adapter
Micro USB 2.0 to USB 2.0 cable
System
compliance
• RoHS compliance
• WEEE compliance
• SMT green process
Warranty
One-year International Travelers Warranty (ITW)
1. Specifications vary depending on model.
2. Weight may vary depending on product configuration, vendor components, manufacturing variability,
and selected options.
3. Shared system memory may be allocated to support graphics, depending on system memory size
and other factors. Actual system memory available to the operating system will be reduced by any
memory used by the graphics solution and resources required by the operating environment.
4. Memory speed may vary, depending on the CPU, chipset or memory fitted.
5. A 64-bit operating system is required to enjoy the ultimate performance of 4 GB or higher memory.
6. All brands and product names mentioned herein include trademarks of their respective companies
and are used solely to describe or identify the products.
7. 1 GB is 1 billion bytes. Actual formatted capacity is less and may vary depending on preloaded
materials and operating environment. Acer Recovery Management uses a portion of the stated hard disk
capacity as dedicated backup space.
8. Actual throughput may vary depending on network conditions and environmental factors such as
network traffic or overhead, building construction and access point settings.
9. Subject to availability.
In a continuing effort to improve the quality of our products, information in this document is subject to change without notice.
Images shown are only representations of some of the configurations available for this model. Availability may vary depending
on region.
As a phenomenon known to thin-film transistors (TFTs), liquid crystal displays (LCDs) commonly exhibit a small number of
discoloration dots, as so-called "non-conforming pixels." This phenomenon is a limitation of TFT LCD technology, not a product
defect, and as such is not covered by Acer's warranty.

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© 2015. All rights reserved.
About Acer
Established in 1976, Acer is a hardware + software + services company dedicated to the research, design, marketing, sale, and
support of innovative products that enhance people's lives. Acer's product offerings include PCs, displays, projectors, servers,
tablets, smartphones, and wearables. The company is also developing cloud solutions to bring together the Internet of Things.
Acer employs 7,000 people and ranks No. 4 for total PCs globally (IDC 2014). Revenues for 2014 reached US$10.39 billion.
Please visit www.acer.com for more information.

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Tablet Tour
Six View

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Front View
Figure 1.1 Front View
#
Item
Description
1
Touch Screen
TP_172.96*102_COF_G+G _ZIF _black-GT911
2
Front Camera
Front Camera - 5*5*2.95mm_30W_GC0312_FF
1
2

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Rear View
Figure 1.2 Rear View
#
Item
Description
1
Rear Camera Lens
Black_cutting glass_bottom silkscreen
2
Rear Cover Module
Rear Cover Module includes rear cover, rear camera lens
1
2

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Top View
Figure 1.3 Top View
#
Item
Description
1
USB Port
Used for charging
2
Headset Jack
Connected to stereo headphones
2
1

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Bottom View
Figure 1.4 Bottom View

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Left View
Figure 1.5 Left View
#
Item
Description
1
SD Card Slot
Used for inserting SD card
1

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Right View
Figure 1.6 Right View
#
Item
Description
1
Power Key
Power on or off the tablet.
2
Volume Key
Increases or decreases the tablet volume.
1
2

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System Block Diagram

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CHAPTER 2
Diagnostic Utilities
Introduction
The Fossil HD TAB has a flash tool designed to software upgrading and a writing tool
designed to write SN/IMEI/BT/Wifi/Country Code,etc.
Fossil HD’s Flash Tool SOP
This document will give the sop of Fossil HD’s Flash Tool. It includes two parts-the open of flash tool and
the download of a version.
1. Open flash tool
After decompress the flash tool archive, the flash_tool.exe shows in Figure1 is the tool that we need.
Figure 1 The location of flash_tool_acer_only..exe
Double check the flash_tool_acer_only.exe, Figure 2 will show up, and after the “ok” button is clicked, we
will enter the download interface (Figure 3). The download of Fossil HD’s versions will be operated in this
interface. By now, we can start to use the flash tool.

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Figure 2 The dialog shows up while double check the flash_tool_acer_only..exe
Figure 3 The download interface of flash tool

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Figure 4 The format interface of flash tool (forbidden)
As shown in Figure 4, the “Format” interface is forbidden to use. We just need to use the “Download”
interface shown in Figure3.
2. Download a Fossil HD’s version
The download of a Fossil HD’s version involves two parts: the download of secro-sign.img and the
download of the whole version.
(1) The download of secro-sign.img
It includes three steps shown in Figure 5, Figure 6 and Figure 7.
Figure 5 Select a version

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Step 1 and Step 2: click the “Scatter-loading” button to find MT8127_Android_scatter.txt inside of image
folder. And then click the “open” button.
Figure 6 Find MT8127_Android_scatter.txt inside of image folder
Figure 7 Download secro-sign.img
Step 3: make sure the download pattern is “Download Only”, only secro-sign.img existed and checked.
Click the “Download” button to download the secro-sign.img, and then connect the android device after power