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Acer B1-830 Service Manual

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Service Guide
2014/4/25

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Summary of Contents for Acer B1-830

  • Page 1 Service Guide 2014/4/25...
  • Page 2 Copyright Copyright © 2012 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 3 Conventions The following conventions are used in this manual:...
  • Page 4 If, for whatever reason, a part number change is made, it will not be noticed in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDER, your Acer office may have a DIFFERENT part number code to those given in the FRU of this printed Service Guide.
  • Page 5 Overview Chapter 1: a. Product Features / HW Spec b. Product six view and description c. System block diagram Chapter 2: a. Software Upgrade SOP (SOP of SD Download and EUU) b. Service tool SOP Chapter 3: a. Disassembly and Assembly SOP b.
  • Page 6 Chapter 1: System Android Lollipop system 5.1 Operating System Processor MTK MT8151 Cortex A7@1.7GHz 1 GB DDR3L memory Memory eMMC 16GB / 32GB Display Innolux, N080ICE-GB1; K&D 8” LCD Display 8” Color TFT-LCD with LED Backlight Design, MIPI interface Resolution 800 x 3 (RGB) x 1280 View angle Wide view angle 85/85/85/85 degree...
  • Page 7 -64dBm at MCS 7 (HT40) Single antenna (without diversity) Antenna Support 2.4GHz/ 5GHz band. Performance should meet test summary document released by Acer DQM. Bluetooth® 4.0 Module MT6625N/A COB WLAN + BT + FM + GPS, 4 in 1...
  • Page 8 (720p 影片循環播放+螢幕亮度：100nits+耳機輸出+WLAN/3G 開啟+登入 Gmail 並更新。) Youtube playback 720p video min. 5.75 hours via WIFI. Detailed criterion defined in the test summary document released by Acer DQM. Battery low: when battery capacity is 15 % Battery low Battery very low: when battery capacity is 5 %...
  • Page 9 Long press 1 second to show power-off dialog (when device is on even in lock state) Once CPU is on, system Acer logo should show up within 2 seconds. Press to suspend the device (when device is on) Press to resume the device (when device is in suspend mode) Once if the system resumes, system will be back to lock screen.

  • Page 10: Led Indication

    Press the right key to volume up in portray mode, both of 90° orientation and 270° orientation; The other to volume down. [the below diagrams are for reference only] Screen lock Shutdown hole Press to turn off the system LED Indication Connector Micro-USB 2.0, OTG Micro USB...
  • Page 11 Gyro-meter P-Sensor Certification Requirement should meet test summary document released by Acer DQM. CE / FCC / IC / NCC / CB / BSMI / BQB / WiFi / WHQL Certification Country List: Defined in the document “Citizen M_M Country List”...

  • Page 12: Product Six View And Description

    a. Product six view and description...

  • Page 13: Block Diagram

    b. Block Diagram...
  • Page 16 Chapter 2: a. Software Upgrade SOP Equipment: 1. PC with 32 bit XP/WIN7/WIN8 2. USB cable Install Driver & Tool : In shipping mode, to enable adb (USB debugging) Setting >> About tablet >> Build number click 7 times >> Return last page and find ( ) Developer options >>...
  • Page 17 Image : 1. Factory Image: Service image, for engineering testing or verification. 2. Shipping Image: for end user in the market. Start to download: ( Shipping image Factory image) 1. To enable tablet under USB debugging mode (ADB mode). 2. Turn off tablet 3.
  • Page 18 After that, please press “Download” 4. Plug out the USB cable, then connect again, then Flash tool will auto run the install process, as below display. 5. Download finish, and please plug out the cable, turn on the devie. PS. Don’t disturb or plug out the USB cable for instant, to avoid image broken within image download period.
  • Page 19 Install test suit for testing device function quickly 1. Open the adb file, and key “cmd”, and make sure all necessary driver been installed. 2. Check device connect with PC or not? 3. Copy test suit akp under adb folder 4.
  • Page 20 Start to download: (Factory image Shipping image ) 1. Turn off tablet 2. Open Flash tool, and direct the “Scartter-loadding” to the folder you need instal After that, please press “Download” 6. Plug out the USB cable, then connect again, until install procedure finish. PS.
  • Page 21 1. Put OTA image file on SD card 2. Fast key enter to recovery mode. Press “Power” and “Volume up” key together (over 3 sec) until Acer log display popup and entering recovery mode. 3. Select “ apply update from external storage, then press “power”key 4.

  • Page 22: Service Tool Sop

    c. Service tool SOP Please ensure all read & writer actions would be under factory image. Wifi Mac/ BT Mac / Country code are using same “NVRAM_Writer” to execute the re-write actions. Read Wifi address, BT address, and Country code Enter to NVRAM_Writer folder, and enter to cmd DOS environment.
  • Page 23 Re-write Acer Wifi Mac address Enter to NVRAM_Writer folder, and enter to cmd DOS environment.
  • Page 24 Base on Wifi address format keying the target numbers, then enter to write until process finish. Such as “NVRAM_Writer.exe WLAddr_0034567890AB” for example Re-write Acer BT address Enter to NVRAM_Writer folder, and enter to cmd DOS environment. Base on BT address format keying the target numbers, then enter to write until process finish. Such as “NVRAM_Writer.exe...
  • Page 25 Re-write Acer Country code Enter to NVRAM_Writer folder, and enter to cmd DOS environment. Base on BT address format keying the target numbers, then enter to write until process finish. Such as “NVRAM_Writer.exe WLCoun_US” for example Read Acer SNID Open SN Read_Writer tool folder and execute SN_Read.bat. Open SN_Read.txt to check current SN.
  • Page 26 Write Acer SNID Open SN Read_Writer tool folder and open SN_Read.txt to change & save new SN. Then, execute SN_Write.bat. Re-write Acer 22 code SN 1. Switch on Citizen MM adb port 2. Connect Citizen MM and PC by USB cable...
  • Page 27 4. Modify SN_Write.txt and write the SN in the txt file. Save the 22 codes 5. Launch the Acer_22_Writer.bat 6. Check if you succeed to writer SN by Launch “Acer_22_Read.bat” and open “Acer_22_Read.txt” Re-write Acer 22 code SN 1. Switch on Citizen MM adb port 2. Connect Citizen MM and PC by USB cable 3.
  • Page 28 Read Acer Wifi Mac address 1. Ensure to switch on Wifi function on device 2. Switch on Citizen M adb port 3. Connect Citizen M and PC by USB cable Double click “Citizen M Wifi Mac read.bat” in c:\adb •...
  • Page 29 Log capture command in Shipping image 1. Switch on Citizen M adb port Enter setting >> About tablet >> Click 7 times “ Build number”. Then return to check “{ } Developer options” appear or not. Enter “{ } Developer options” , and Select “USB debugging” 2.
  • Page 30 5. Copy the log. Use your mouse to select all log in DOC window Using “Ctrl” + ”C” to copy all information create one new txt file and “Ctrl” + ”V” to paste this log Save the log “Ctrl” + “C” “Ctrl”...
  • Page 31 Chapter 3: Disassembly and Assembly SOP Disassembly: Disassembling tool Plastic stick 橇棒 (厚度 0.5~0.7mm) tweezers 小型鑷子 tweezers 十字起子(#0) Insert the plectrum into gap which next to the side key. 2. Hold the plastic stick and gash the gap, slide and separate the back cover base on the direction of clasp. (2 on left side, 4 on down side).
  • Page 32 Slide the plastic stick until the middle position of bottom and break open LCD cover by pressing down the plastic stick 3. Hold the cover and take off the cover base on the axis of LCD cover up side. 4. Take off the battery Tear off the tap on connector, and separate the battery connector, and pulling two side of battery sticker.
  • Page 33 5. Take off the main PCBA board Remove the screw and take off the speaker box, USB metal holder, and separate all connector, take off FPC and antenna board. After that you can separate the PCBA and other parts.
  • Page 34 6. Take off TP-LCM and LCD Bezel Put TP-LCM/ LCD bezel on oven under the degree of 70~80 centigrade, then separate the TP-LCM and LCD Bezel after around 20 min. 7. Finish. All parts disassembled drawing...
  • Page 35 Assembly: Step1. Tear off the liner paper, stick and fix LCM and LCD bezel Step2. To assemble side-key FPC on LCD Bezel...
  • Page 36 Step3. Stick Side key FPC on LCD Bezel, Put VGA Camera on LCD Bezel, Put ANT PCB on bezel and stick the Cu foil on metal frame Step 4 Put MIC Rubber on PCB MIC, and stick on PCBA Step 5. Assembly Metal USB with screw >> Fix the PCB on LCD Bezel >> Connect Side Key FPC with ZIF contr.
  • Page 37 Step6. Put Back Camera on LCD Bezel, and connect with ZIF contr.. Step7. Put TP board and stick on Metal Frame >> Connector TP FPC with ZIF contr. Step8. Put SPK BOX on LCD Bezel and fix it by screw >> Connect SPK BOX connector with TP board.
  • Page 38 Step9. Assemble LCM FPC with LCM module which on PCBA >> Stick Battery on bezel, and lock BTB connector. Step10. Put the tape (醋酸膠布)on each ZIF cntr. 及 WTB cntr...
  • Page 39 Step 11. Base on direction to assembly back cover, and make sure the well locking with device.

  • Page 40: Diagnostic Tool Sop

    Chapter 4: Diagnostic Tool SOP How to Enter in Hardware Testing Mode Press the MENU button, and click on ICON “TestSuite” in APPS, press the button perform the functional test. Figure 1.1...
  • Page 41 Figure 1.2 Select Manual UI Testing as Hardware testing items: Water Ripple1 Water Ripple2 SD Card Earphone Bluetooth Power consumption Backlight Diagonal Diplonema Multi Touch Front Camera Speaker Wifi Microphone Rear Camera Headset...
  • Page 42 KEY: • Follow the picture’s instruction to press related key successively. If the key function is passed then the related key button will show green color • Key includes：” VolumeUp” & ” Volume Down”, Power key did NOT be tested. SD_Card: SD card test, insert MicroSDcard and then according to the test result which be displayed on the screen to choose PASS or FAIL, When insert SD card, devise would auto display the PASS.
  • Page 43 LCD: Display will auto show the below color sequence and popup PASS or FAIL to sellect Backlight: Backlight test, show backlight Level30-Level130-Level230 successively, and then according to the actual result that you saw to choose “High Back Light” or “Low Back Light” , as shown below: This example may get PASS when you choose “Low Back Light”...
  • Page 44 Diplonema: According to read line to slight the panel, then check PASS or FAIL Multi Touch Please use four fingers to slight the panel, then check PASS or FAIL Front_Camera: Front Camera test, click on any position of display, it should take a picture by front camera, check the picture and according to the actual result that you saw to choose PASS or FAIL.

  • Page 45: Microphone Test

    Rear_Camera: Rear Camera test, click on any position of display, it should take a picture by rear camera, check the picture and according to the actual result that you saw to choose PASS or FAIL. Microphone test: Start record until stop, device will auto have the voice as your record. Headset: Plug in the earphone accesory, and click Left or Right bottom.
  • Page 46 G sensor (calibration) & G sensor verification: Connect PC and Citizen M under the factory image, Put Citizen M at horizontal balance jig Open GSensor_PRT Tool profile and execute “GSensor_TOOL.cmd” to calibrate G sensor. After G sensor calibrating finish, please check ”GSensorResult.txt”, and confirm Pass or Fail Remark: G sensor PASS criteria: if -0.1g<x<0.1g , and -0.1g<y<0.1g , and 0.9g<z<1.1g.

  • Page 47: Chapter 5: Serial Number Definition

    Chapter 5: Serial Number Definition Acer 22 Barcode Follows Code 128 standard –refer to http://www.adams1.com/pub/russadam/128code.html Acer 22 Code SN PPPPPPPPPPYWWSSSSSMMVV Acer SNID YWWddddddMM TP/LCD+Bezel Rear CCD...
  • Page 48 Front CCD Battery Main board...
  • Page 49 Chapter 6: a. Exploded Diagram and Description...
  • Page 51 b. SPL List...