Acer Iconia One 8 User manual

Service Guide
2014/4/25

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.
Disclaimer
The information in this guide is subject to change without notice.
Acer Incorporated makes no representations or warranties, either expressed of implied, with
respect to the contents hereof and specially disclaims 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 detective following their purchase, the buyer (are not
Acer Incorporated, its distributer, or it dealer) assumes the entire cost of all necessary servicing,
repair, and any incidental or consequential damage resulting from any defect in the software
Acer is a registered trademark of Acer Corporation.
Intel is a registered trademark of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders.

Conventions
The following conventions are used in this manual:

Preface
Before using this information and the product it supports, please read the following general
information.
1. This service guide provides you with all technical information relating to the BASIC
CONFIGURATION decide 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. These LOCALIZED FEATURES will NOT be recovered in
this generic service guide. In such cases, please contact your regional office or the responsible
personnel/channel to provide you with further technical details.
2. Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date
information available on your regionalweb or channel. 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. You must use the list provided by your regional
Acer office to order FRU parts for repair and service of customer machines.

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. Required tools and screws
Chapter 4:
Diagnostic Tool SOP
Chapter 5:
Serial Number Definition
Chapter 6:
a. Exploded Diagram and Description
b. SPL List

Chapter 1:
a. Product Features / HW Spec
System
Operating System
Android Lollipop system 5.0
Image download mechanism and tools need to support Secure OS at
production line for Widevine DRM Level 1
Processor
Intel®Atom processor Z3735G (1.83 GHz, DDR3L 1333 MHz)
Memory
RAM
1 GB DDR3L memory
eMMC
16GB / 32GB
Display
Display
Innolux, N080ICE-GB1
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
Typical backlight
300(min) / 350 nits (typ) (cd/m2)
Pixel Pitch
0.13455 (V) x 0.13455 (H) mm
Contrast ratio
800:1
Touch Panel
Capacitive type, G/G solution
Driver IC: Elan eKTH3386
10 point Touch panel
Mechanical
Dimensions
127.7 (W) x 213.9 (L) x 9.5 (T) mm
Weight
< 350±5g
Modem
3G
N/A
LTE
N/A
Antenna performance
N/A
Wireless LAN 802.11 b/g/n WiFi
Module
Broadcom BCM43438
MAC address
Device must contain Bluetooth MAC address before shipment
Frequency range
Support 2.4GHz band
Data Rates
802.11b: 11Mbps
802.11g: 54Mbps
802.11n: MCS 0~7
Operating Range
Indoor <= 100m
Output Power
11b : 14dBm ± 3dB

11g : 14dBm ± 2dB
11n : 11dBm ± 2dB
Receive Sensitivity
802.11b: under -83dBbm at 11Mbps
802.11g: under -70dBm at 54Mbps
802.11n: under -67dBm at MCS 7 (2.4GHz only)
Antenna
Single antenna (without diversity)
Support 2.4~2.5GHz band.
Performance should meet test summary document released by Acer DQM.
Bluetooth® 4.0
Module
Broadcom BCM43438
MAC address
Device must contain Bluetooth MAC address before shipment
Support Profiles
Low layer BT profile
▓RF ▓RFPHY ▓BB ▓LMP ▓LL ▓L2CAP ▓SDP ▓GAP
▓RFComm ▓ATT ▓GATT ▓SM □SCPP ▓AVCTP ▓AVDTP
□BNEP ▓GAVDP □SCPP
High layer BT profile
▓A2DP ▓AVRCP ▓DI (DID) □HFP ▓HID ▓HOGP □HSP
□MAP ▓OPP □PAN □PBAP ▓SPP
Others
▓IOP
Frequency Range
2.4 GHz (2.400 ~ 2.4835 GHz)
Modulation
GFSK, π/4 DQPSK and 8DPSK
Channel
79 channels
Data Rates
Basic data rates: GFSK (1Mbps)
EDR data rates: π/4 DQPSK (2Mbps) and 8DPSK (3Mbps)
Operating Range
10m
Output Power
Class 1 (0dBm~10dBm)
Receive Sensitivity
Under –80 dBm, BER of 0.1%
Antenna
Share the same antenna from WiFi
Performance should meet test summary document released by Acer DQM.
GPS
Chipset
BCM4752 (Support GPS & GNSS)
Channel
Tracking: 36 (running concurrently with the acquisition channels)
Acquisition: 100-200 (flexible non-real time architecture)
Sensitivity
Tracking Sensitivity ≦-152 dBm (1 SV at least)
Acquisition Sensitivity ≦-140 dBm (4 SVs at least)
Accuracy
Hot start: less than 7 seconds (* subject to test environments)
Warm start: less than 40 seconds (* subject to test environments)
Cold start: less than 50 seconds (* subject to test environments)
Position: within 10m for 90%
Velocity: 0.1m/s (* subject to test environments)

Protocol
NMEA-0183 v3.0
GGA, GLL, GSA, GSV, and RMC
Antenna
Frequency: 1.575 GHz~1.612GHz (Support GPS & GNSS)
VSWR 2：1
Performance should meet test summary document released by Acer DQM.
Pattern Type: Omni-directional
Battery
Battery Capacity
Rechargeable Lithium-ion Polymer battery, LGC
ICP30100107L1 (1S1P), 17.3Wh @4550mAh
Rechargeable /non-replaceable battery pack
Battery Life
(main source)
Standby time on fly mode: min 270 hours
Video playback: Min. 7.5 hours when play 720P H.264 video playback on system
(not streaming, Wi-Fi/BT off, total solution 125 nits)
Video playback: Min. 8.5 hours when play 720P H.264 video playback on system
(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
Battery low: when battery capacity is 15 %
Battery very low: when battery capacity is 4 %
Charging Time
1 hour charging to 15% capacity (when in the dark mode)
6.0 hours charge from empty to full by AC adapter (when in the
dark/suspend mode)
Battery Protection
Protection for overheat, overcharge, over-discharge, over- current, over-voltage
Temperature
Operating Temperature
Charge: 0℃~ 50℃
Discharge: -20℃~ 60℃
Storage Temperature: -20℃~ 45℃< 1 month ; percentage recoverable
capacity 90%
Audio
Dual speaker: 0.5 W
Audio Jack : 3.5mm 4 ring earphones with microphone Jack
Pin define:
[VoIP-headset] Headset Sending loudness should be 3dB~13dB and Headset Receiving loudness

shouldn't be over -13dB.
[VoIP-handheld hands-free] Handheld hands-free sending loudness should be 15dB at 30cm and
handheld hands-free receiving loudness should be 10dB at 30cm.
Headphone application must meet EN50332.
Single Digital Microphone.
ASR assist
Camera
Camera
Front camera : 0.3MP Camera with Fix Focus (GC0310) with ZSD mode
Photo capture at 30fps @ 640x480 in JPEG
Video recording at 30 fps@ 480p VGA in 3gp format
Rear camera : 5.0MP with Auto Focus (OV5670) with ZSD mode
(88 degree of wide angle view)
Photo capture at 30fps @ 2560x1920 in JPEG
Video recording at 30 fps@ 720p HD in 3gp format
Button
POWER
Long press > 1 second (±10%) to power on (when device is off).
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.
If system is in lock screen, without unlock by user, the system will
suspend after 10 seconds
Long press 5 seconds (±1%) to force power-off device (when device is
on, or in power-on procedure, or in lock state)
The method to lunch boot menu:
Hold volume up and press power key for 3 second
Release power key
Release volume up
Volume UP/Down
Volume up/down: Press to increase/decrease the volume
Press upper key to volume up in landscape mode, both of 0°
orientation and 180°orientation; The other to volume down.
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
N/A
Shutdown hole
Press to turn off the system
LED Indication
N/A
Connector
USB
NA
Micro USB
Micro-USB 2.0, OTG
VID: 0502
Life cycle: Min. rating of 10K connect / disconnect cycles
HDMI
N/A
Audio Jack
3.5mm Audio Jack 4ring ( with Mic)
Micro SD connector
MicroSD memory card up to 128GB (SDHC/exFAT compatible)
SD 3.0 compatible
Support hot-plug
Push-push type connector
Read Micro SD cards formatted: FAT, FAT32, exFAT and NTFS
Sensor
G-Sensor
Bosch BMA255
eCompass
N/A

Gyro-meter
N/A
P-Sensor
N/A
Certification
ESD
Requirement should meet test summary document released by Acer DQM.
Certification
CE / FCC / IC / NCC / CB / BSMI / BQB / WiFi / WHQL
Country List: Defined in the document “Citizen Country List”
Accessory
Accessories (in box)
USB Cable
Charger + Plug
QSG
Accessories (optional)
Passive pen
Protective case
Protective film set
Others
Vibrator
N/A

b. Product six view and description

c. Block Diagram

名稱
Location
名稱
Location
Side key conn.
SW7002
T-Flash
J3501
Battery conn
J2000
Audio Jack
J7001
TP/LCM conn
J9701/J8200
GPS
U4006
PMIC
U2003
USB conn
J9400
CPU
U1000
EMMC
U3501
DDR3 RAM
U3005, U3006
Front Cam conn
J8505
SPK conn
TP board
Rear Cam conn
J8504
MIC
U7003
WIFI/BT
U6203
USB PHY
U9001
Audio codec
U7001
PMIC
CPU
Flash
DDR
Audio codec
eMMC
USB PHY

Chapter 2:
a. Software Upgrade SOP
Equipment:
1. PC with 32 bit XP/WIN7/WIN8
2. USB cable
Install Driver & Tool :
1. Enter to fastboot mode
Fast key enter to recovery mode
Press “Power”and “Volume up”key together(over 3 sec) release “Power”key, but keep pressing the
“volume up”key, until recovery mode display popup.
2. Select “fastboot mode”, then press “power”key

3. Connect PC and Android Tablet by USB cable
4. Install “Windows_adb_driver” in your PC.
5. When drivers install usefully, you can see below drawing in Devices Administrator in PC.
Install Download Tool:
1. Install PhoneFlashTool_5.2.1.0_external_win32.exe in your PC,
When set up in final, you may see the “Phone Flash Tool” icon in your program bar.
Image :
1. Factory Image: Service image, for engineering testing or verification.
2. Shipping Image: for end user in the market.

Start to download: ( Factory image Shipping image; Shipping imageShipping image)
1. Enter to fastboot mode
2. Connect your Android Citizen with PC by USB cable, and click the “Phone Flash Tool”icon
Phone Flash program will auto Popup on PC display
3. Search the unzip image location by clicking icon “Browser”. After that, click icon “Start to flash”to start
download image as you need.
When start to flash, B1-820 will auto-restart, and show the “NORMAL BOOT”
display.
You may see this linking information when Citizen
connect to PC .
a. First, find the D/L image
a. Start to flash

PS. Don’t disturb or plug out the USB cable for instant, to avoid image broken within image download
period.
4. When image download finish (as below 100% progress drawing), please push “power”key to make the tablet reboot.
5. Connect the AC ADP, and Reset to default
Reminding: It’s better no plug out the AC Adaptor until reboot process finish!
6. After device auto reboot and restart the device, can finish the image download procedure.
PUSH
Download finish

Start to download: (Shipping image Factory image )
1. Enter to fastboot mode by fast key, then connect PC by USB cable
2. Connect B1-820 with PC by USB cable, and click the “Phone Flash Tool”icon
Phone Flash program will auto Popup on PC display
3. Search the unzip image location by clicking icon “Browser”. After that, click icon “Start to flash”to start
download image as you need.
b. First, find the D/L image
b. Start to flash

4. When press “Power”key to reboot, show the display. Then need press “Power key”to reboot again
5. Long press “Power”key to power off, and enter to recovery mode. Then wipe all user data.
6. Reboot system, and download to factory mode process complet.