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Fossil HD
B1-760 TABLET
SERVICE
GUIDE
1

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Summary of Contents for Acer Fossil HD B1-760

  • Page 1 Fossil HD B1-760 TABLET SERVICE GUIDE...
  • Page 2: Table Of Contents

    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………………………………………………………………………………..….
  • Page 3 Update Copyright Copyright 2015 by Acer 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.
  • Page 4 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...
  • Page 5 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...
  • Page 6: Chapter 1 Product Features And Hardware Specifications

    DDR3L memory support Memory • DDR3L 1 GB on-board system memory 7.0" display with IPS (In-Plane Switching) technology, HD 1280 x 720, Display high-brightness Acer ComfyView LED-backlit TFT LCD Wide viewing angle Mercury free, environment friendly Audio Built-in mono speaker Built-in microphone •...
  • Page 7 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.
  • Page 8 © 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.
  • Page 9: Tablet Tour

    Tablet Tour Six View...
  • Page 10: Front View

    Front View Figure 1.1 Front View Item Description Touch Screen TP_172.96*102_COF_G+G _ZIF _black-GT911 Front Camera Front Camera - 5*5*2.95mm_30W_GC0312_FF...
  • Page 11: Rear View

    Rear View Figure 1.2 Rear View Item Description Rear Camera Lens Black_cutting glass_bottom silkscreen Rear Cover Module Rear Cover Module includes rear cover, rear camera lens...
  • Page 12: Top View

    Top View Figure 1.3 Top View Item Description USB Port Used for charging Headset Jack Connected to stereo headphones...
  • Page 13: Bottom View

    Bottom View Figure 1.4 Bottom View...
  • Page 14: Left View

    Left View Figure 1.5 Left View Item Description SD Card Slot Used for inserting SD card...
  • Page 15: Right View

    Right View Figure 1.6 Right View Item Description Power Key Power on or off the tablet. Volume Key Increases or decreases the tablet volume.
  • Page 16: System Block Diagram

    System Block Diagram...
  • Page 17: Chapter 2 Diagnostic Utilities

    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.
  • Page 18 Figure 2 The dialog shows up while double check the flash_tool_acer_only..exe Figure 3 The download interface of flash tool...
  • Page 19 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.
  • Page 20 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”...
  • Page 21 failure with the computer through USB. When the download ok dialog shows up, it means the download of secro-sign.img has been completed. (2) The download of the whole version It includes three steps shown in Figure 8, Figure9 and Figure 10. Step 1 and Step 2: click the “Scatter-loading”...
  • Page 22 Figure 10 Download the version Step 3: make sure the download pattern is “Firmware Upgrade”, and then connect the android device after power failure with the computer through USB. When the download ok dialog shows up, it means the download of secro-sign.img has been completed. Remember never use the Format pattern to download versions.
  • Page 23 Figure 12 is the interface shown during the downloading process. Figure 5 Downloading While the interface in Figure 13 shows up, it means the download of version completed. Figure 6 Download is completed...
  • Page 24 Writing Tool SOP Huaqin WriteStation User Guide I. Environment Requirement 1.1. Hardware environment 1.1.1. Computer, CPU 1.7GHz or above, 512M ram or above 1.1.2. Monitor, the resolution is 1024×768 or above 1.1.3. Stabilized D.C. source (4.0V/2A) or full charged battery of tablet 1.1.4.
  • Page 25 c. Click “Install” button in the below picture to install dirver. d. Click “Finish” button in the below picture to finish dirver installtion.
  • Page 26 1.2. Software environment 1.2.1. OS: Window2000, XP, Windows7 1.2.2. WriteStation program and HQFramework 1.2.2.1 (a) First you should install the HQFramework on your computer. Unzip the.rar file below and you will get a .exe file you should install it (b) Then you will get a dialog as blow, choose the second item in drop down list to choose the Language of English, (c) Click “ok”...
  • Page 27 (d) Click next get Dialog below. Click the install button and the software will install on your computer.
  • Page 28 (e) Click finish and a dialog like Dialog 2 will appear that means you have installed the software successfully. (Dialog1) (Dialog2)...
  • Page 29 (f) Your desktop will appear a new icon like this: 1.2.2.2 Install WriteStation Tool: After install the software successfully, and your desktop will appear a new icon like this: 1.3. Others 1.3.1. Power cable 1.3.2. USB data cable 。 1.3.3. USB Hub when needed. Please note that USB Hub should be powered II.
  • Page 30 III. Setup 2.1. Driver should be installed first, “Huaqin Android Driver All-in-One” or above should be installed if USB is chosen as communication mode, and Driver - USB VCOM Driver (binary) should also be installed if your handset is smart phone. 2.2: HQFramework should be installed before WriteStation tool was installed.
  • Page 31 4.3. Set parameters Password:20120405...
  • Page 32 4.4. Set platform information MTKFP: indicates feature phone platform of MTK, MTKSP: indicates smart phone platform of MTK Qualcomm: indicates Qualcomm platform, Spread: indicates Spread platform, YEP: indicates platform for Xi'an institute;...
  • Page 33 4.5. Communication port set COM port:Set a communication port here, COM…should be set if UART is chosen as communication mode while USBCOM if USB is chosen as communication mode. Refresh:The list of com ports will be refreshed when “refresh” is clicked. PrintPort:User should choose a print port if user want to use print function.
  • Page 34 4.6. DataFile select DB: please choose a database file here, database file should begin with “BPLGUInfoCustomApp” and with no suffix; AP: please choose an AP file, AP file should begin with “APDB” and with no suffix. PrintTMP:Please choose a print template file. The template file should as much like as supplied in help section. IMEI File:Please choose an excel file filled with IMEI.
  • Page 35 4.7. Project information config AddProject: User can add Project name to Project list by Add button; Project: Include Project name, every Project name have different Numbers; can use Delete button to delete Project name that selected; SWV: Please enter your software version here to check software version matching and it can be omitted.
  • Page 36 4.8. Test Item Config Print: print only Write: write number only Print&Write: write number first and then print these numbers. SN: SN writing will be enabled if this box is checked and disabled will unchecked. CSN: CSN writing will be enabled if this box is checked and disabled will unchecked. BT: BT writing will be enabled if this box is checked and disabled will unchecked.
  • Page 37 4.9. SN Input Config SNCheck:User can checked this box and check while write SN; SNLength: Check SN Length; SNHeadString: check SN Head String;...
  • Page 38 4.10. SN Input Config Single: indicates that you want write one IMEI only into your handset; Double: indicates that you want to write two IMEI into your handset; Four: indicates that you want to write four IMEI into your handset; IMEI2-AutoCreate: IMEI2 will automatically counted according to IMEI1 if checked;...
  • Page 39 4.11 CSN Input Config FileAssign: decide if CSN will be assigned automatically from the CSN excel file configured at “CSN File”; LowerRange and upperRange:indicate the lower range and upper range of CSN respectively, if the low range value less than or equal to the upper range value, the tool will check CSN。 NumAssign: decide if CSN will be assigned automatically by Number in tool interface;...
  • Page 40 4.12. BT Input Config FileAssign: decide if BT will be assigned automatically from the BT excel file configured at “BT File”; LowerRange and upperRange:indicate the lower range and upper range of BT respectively, if the low range value less than or equal to the upper range value, the tool will check BT。 NumAssign: decide if BT will be assigned automatically by Number in tool interface;...
  • Page 41 4.13. WIFI Input Config FileAssign: decide if WIFI will be assigned automatically from the WIFI excel file configured at “WIFI File”; LowerRange and upperRange: indicate the lower range and upper range of WIFI respectively, if the low range value less than or equal to the upper range value, the tool will check WIFI。 NumAssign: decide if WIFI will be assigned automatically by Number in tool interface;...
  • Page 42 4.14. Extend File Config ExtFile: User can Select extend File by Select button;...
  • Page 43 V. Write demonstration Note: all operation should be done when phone is powered off. A: Input SN and IMEI numbers by manual, others number like this; 5.A.1. Config the tool...
  • Page 46 5.A.2. Change to “Operation” panel, and then input SN, BT, WIFI, and IMEI correctly, and then click “Start” or press “Enter” directly to start write number. Tool will wait two minutes before phone connected, otherwise tool will stop automatically.
  • Page 48 User should power to the phone and then connect PC and phone via usb cable when count occur showing as the upper picture.
  • Page 49 5.A.3. Operation complete B: File assign IMEI number, others like this;...
  • Page 50 5.B.1. Change to “Operation” panel, and then click “Start” or press “Enter” directly to start write number. Tool will wait two minutes before phone connected, otherwise tool will stop automatically.
  • Page 51 5.B.2. User should power to the phone and then connect PC and phone via USB cable when count occur showing as the upper picture. Write IMEI successfully...
  • Page 52 Appendix 1:The fabrication of Print Template File Use WriteStation print function have to be according to the model production ,For example: Users need to print the following label: ****************** 111111111111119 ****************** Only the following settings.(IMEI1 is 111111111111119 hypothesis) ****************** {IMEI1_15} ****************** Users need to print the following label: ******************...
  • Page 53 Appendix 3:The fabrication of BT file STATUS XXXXXXXXXXXX(12 digit) valid XXXXXXXXXXXX(12 digit) valid XXXXXXXXXXXX(12 digit) valid …… ……. …… 1: The BT file is required for the EXCEL form 2: Excel file have only one form,Please delete the redundant form 3: ID, IMEI and STATUS only contains values corresponding column, Cannot contain expressions(Such as formula, function, etc)...
  • Page 54 Re-write Country Code SOP It can be implemented by writing extension files in WriteStation Tool, when you need to re-write country code. You can read the Writing Tool SOP for reference. Fossil HD overseas version applies the same software version, and the default language is English, there is no need to considerate the country codes.
  • Page 55 How to Check Wifi Channel Turn off Wifi In app list, enter People application, then input “*#*#3646633#*#*” on People search view. See Figure 1. Figure 1...
  • Page 56 Select “Connectivity” tab, choose item “Wifi”. See Figure 2. Figure 2...
  • Page 57 Choose item “Tx”, see Figure 3. Figure 3...
  • Page 58 Touch item channel just as Figure 4, it will display that the count of channel the current system supported, see Figure 5. Figure 4...
  • Page 59 Figure 5...
  • Page 60 CHAPTER 3 Service and Maintenance Introduction This chapter contains general information about the tablet, a list of tools needed to perform the required maintenance and step by step procedures on how to remove and install components from the tablet computer. Disassembly and Assembly Guide I.
  • Page 61 (2) Tweezers Use a pair of tweezers to remove/insert cables. (3) Disassembly Blade or Plastic Card SCREW Picture Acer PN Description 86.LB1N8.001 1.4 * 4 mm * 4 pcs...
  • Page 62 III. Handset Disassembly Guide 1. Remove the battery cover (1) Insert the disassembly blade in the volume key location. Volume Key Moving Direction...
  • Page 63 (2) Use disassembly blade or plastic card to separate the battery cover from the volume key at the left top corner, along the direction of the shown red arrows. Start from the volume key location (3) After removing the battery cover, spare parts inside the tablet are shown as below.
  • Page 64 (4) Inner side view of battery cover are shown as below. 2. Remove the cooling membrane: Use tweezers to tear off the cooling membrane from battery cover.
  • Page 65 3. Remove the battery (1) Disconnect the battery connector with tweezes, make sure don’t damage the surrounding components. (2) Use disassembly blade or plastic card to remove the battery along the direction of the red arrows shown.
  • Page 66 4. Remove the main board screws*4 pcs and speaker bracket screws*2 pcs.
  • Page 67 5. Remove the speaker box and MIC Avoid damaging the cables when removing the microphone with soldering iron. 6. Remove the LCD FPC, TP FPC (1) Remove the LCD FPC, TP FPC a. Remove two pieces of yellow mylar...
  • Page 68 b. After disconnect the LCD FPC with connectors, then remove the LCD FPC (2) Remove the TP FPC a. Disassemble the TP FPC connector...
  • Page 69 7. Remove the rear camera and side key (1) Remove the rear camera a. Use tweezers to remove the yellow mylar b. Use plastic tweezers to gently disconnect the rear camera FPC and connector, take out the camera and avoid damaging the FPC.
  • Page 70 (2) Remove the side key FPC a. Use tweezers to gently remove side key FPC from the disassembly location, and the back gum behind the two FPCs should also be torn off. b. Side key FPC are soldered on MB as a MB module, following steps should be noticed when removing the volume key FPC and power key FPC.
  • Page 71 8. Remove the main board and the front camera (1) Because the MB module is adhesive on the front housing cover with back gum, use disassembly blade or plastic card to remove the MB module by inserting from the gap along the direction of the shown yellow frame.
  • Page 72 7. Remove the conductive cloth 1 and conductive cloth2 (1) Tear off the conductive fabrics 1 with tweezers...
  • Page 73 (2) Tear off the conductive fabrics 2 with tweezers...
  • Page 74 (3) Tear off the conductive fabric 3 with tweezers. 8. Remove the conductive foam 1 -5, conductive cloth3, and antenna bracket. (1) Use tweezers to remove 5 pieces of conductive foams one by one.
  • Page 75 (2) Use plastic tweezers to remove antenna bracket and conductive cloth3 gently, don’t damage the white front housing cover. 9. Separate CTP (1) Set the big head hot-air gun to 210 ℃, whose air vent should keep 2cm far from the touch panel.
  • Page 76 (2) Use a piece of micro-fiber wiper (non-dust cloth) to wrap up the disassembly blade or plastic card, and insert it from the volume key location.
  • Page 77 (3) Use the hot-air gun to blow hot air into the gap between the white front housing cover and touch panel, heating time should not last too long when passing everywhere along the direction of shown yellow arrow. (4) Then continue use the disassembly blade or plastic card to separate the touch panel from front cover.
  • Page 78 10. All spare parts of tablet are disassembled after the above steps.
  • Page 79 IV. L2 Troubleshooting Guide 1. Fail to power on Issue Description Cause Solution Side key FPC isn’t welded well re-weld Fail to power on side key FPC breaks replace side key FPC MB has defects Refer to MB Service Manual 1.
  • Page 80 1. Check if LCD FPC is assembled in place without break. 2. Use fixture to test LCD quality, replace LCD if bad. 3. Check and repair MB. 3. TP issue Issue Description Cause Solution FPC isn’t well assembled re-assemble TP FPC TP touch pad fails FPC breaks replace TP...
  • Page 81 4. G-sensor issue Issue Description Cause Solution refer to MB Service G-sensor fails to work MB is damaged Manual Check and repair MB 5. Side key button issue Issue Description Cause Solution Side FPC’s connection has replace FPC defects Side key button has no response 1.replace the battery cover Side key button has defects...
  • Page 82 3. Check if the side key FPC isn’t well connected or breaks; replace it if bad. 4. Check and repair MB 6. Charging issue Issue Description Cause Solution USB cable breaks Replace USB cable No charging Charging head is broken Replace charging head MB is damaged Refer to MB Service Manual...
  • Page 83 8. Front camera issue Issue Description Cause Solution Front camera FPC isn’t well re-assemble assembled Camera not prepared, Front camera is defective not working/No function Replace the camera MB is damaged Repair MB Cannot start the front Front camera is defective Replace the camera camera Front camera FPC isn’t well...
  • Page 84 10. MP4 plays abnormally Issue Description Cause Solution MB is damaged Repair MB Multi-media plays SW issue Upgrade SW abnormally Speaker box is defective replace Speaker box Speaker box isn’t well assembled re-assemble 11. Earphone issue Issue Description Cause Solution Earphone is defective replace earphone No function...
  • Page 85 14. Battery issue Issue Description Cause Solution Screen shows MB has defects Repair MB charging but fail replace Battery problem Fail to fully charge Repair MB MB problem Fail to charge MB has defects Repair MB 1. Check if the connector of battery is connected well.
  • Page 86 CHAPTER 4 Diagnostic Tool SOP Please use Acer ADS tool...
  • Page 87 PPPPPPPPPP: Acer FG PN which is from the BOM by PM, 10 characters, without dots here. There are 12 characters in Acer FG PN with the format of 2-5-3 code including two dots. For example: LX.G5808.039. Remove dots to get 10 characters of PPPPPPPPPP.
  • Page 88  The week with the year’s first Thursday in it (the formal ISO definition),  The week with 4 January in it,  The first week with the majority (four or more) of its days in the starting year,  The week starting with the Monday in the period 29 December – 4 January. ...
  • Page 89 * SSSSS: One counter to generate sequence number even different platform, product….. >Manufacturer code, two digits defined by Acer SIC. >It only apply by ODM manufacturer location not factory. >Use alphanumeric characters, including 0~9 and A~Z only (Excluding O, I, A, K and U).
  • Page 90 >Maintain one and only one counter to generate sequence numbers at a manufacture site in different factory (Factory1/Factory2) and different product (NB,/Tablet/SHH) that with a unique MM code >Engineering version code of hardware, two characters defined by ODM/vendor. Please use alphanumeric characters, including 0~9 and A~Z only (Excluding O and I).
  • Page 91 M m m Definition Year Week Sequence Number YWW: 1 digit of year & 2 digits for week code, the same as Acer FG SN. dddddd: 6 decimal numbers transferred from 5 hexadecimal numbers SSSSS of Acer 22_Code_FG_SN Transfer formula for S...
  • Page 92 Transfer formula for Base 36 Example: If Acer FG SN (MM) = 3E, SNID (Mmm) = 314 The following table shows two methods to count sequence numbers. Suppose factory manufactures two models A and B at the same time. Divide...
  • Page 93  http://www.barcode-college.com.tw/barcode.htm Note 4.1: Acer label size is 1 cm * 5 cm. This label size is for reference only. ODM can adjust a little the label size to meet physical requirements. ODM also can discuss with related Acer PM to define the best location to stick Acer FG label.
  • Page 94 Note 4.2: Every Acer FG SN in databases is the same as the characters and the meaning of barcode printed on its own label.
  • Page 95 Acer SIC FTP server. There are also 22 characters in an Acer KC SN. The format of Acer KC SN is almost the same as Acer FG SN. Acer KC SN does not have its related SNID.
  • Page 96 Note 6.0.2: Every ODM KC PN can be found in Acer SPL database. (Please contact with the Acer PIC in CSD.) Note 6.0.3: Acer KC PN is more important than Acer KC SN for repair centers.
  • Page 97 Acer office to order FRU parts for repair and service of customer machines. NOTE: To scrap or to return the defective parts, users should follow local government ordinances or regulations on proper disposal, or follow the rules set by the regional Acer office on how to return the defective parts.
  • Page 98 Exploded Diagram and Description...
  • Page 99 Main Assembly Exploded Diagram Item Part Name Description HQ21211239000 Rear camera lens Rear camera back adhesive Rear camera decoration piece HQ22200468000 Rear camera block up foam HQ31203900000 PCBA HQ22100006000 Screw HQ22010292000 Side key FPC LCD foam adhesive HQ21900164000 LCD conductive foam HQ20100757000 HQ21711098000 TP back foam adhesive...
  • Page 100 FRU List Category Acer Part NO. Description Battery Battery SONY AP14E Polymer 1S1P SONY 1 cell 3420mAh KT.00104.001 Main COMMON Cable 50.LB1N8.001 USB CABLE Cover 60.LB1N8.001 REAR COVER - BLACK Optical Device 42.LB1N8.001 SIDEKEY - BLACK...
  • Page 101 57.LB1N8.001 Front Camera - 5*5*2.95mm_30W_GC0312_FF 57.LB1N8.002 Rear Camera_6.5*6.5*4.25mm_200W_GC2355_FF 42.LB1N8.002 MIC RUBBER 50.LB1N8.002 ANTENNA SET LCD Module LCD TOUCH MODULE 7" HD GLARE W/FRONT COVER 6M.LB1N8.001 BLACK...
  • Page 102 Mainboard Module Mainboard B1-760HD 16GB SKU LF W/MIC, SPEAKER, NB.LB111.001 SIDE PART, CONDUCTIVE FABRIC, MYLAR Miscellaneous BREAK SEAL LABEL SPONGE FOR FRONT CAMERA MYLAR FOR REAR CAMERA SCREW 1.4 * 4 mm...

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