Acer B1-830 User manual

Service Guide

2014/4/25

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 other ise, ithout the prior ritten permission of Acer Incorporated.

Disclaimer

The information in this guide is subject to change ithout notice.

Acer Incorporated makes no representations or arranties, either expressed of implied, ith

respect to the contents hereof and specially disclaims any arranties of merchantability or fitness

for any particular purpose. Any Acer Incorporated soft are described in this manual is sold or

licensed “ as is”. Should the program prove detective follo ing 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 soft are

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 follo ing conventions are used in this manual:

Preface

Before using this information and the product it supports, please read the follo ing general

information.

1. This service guide provides you ith 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 ill NOT be recovered in

this generic service guide. In such cases, please contact your regional office or the responsible

personnel/channel to provide you ith further technical details.

2. Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date

information available on your regional eb or channel. If, for hatever reason, a part number

change is made, it ill 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 S P (S P of SD Download and EUU)

b. Service tool S P

Chapter 3:

a. Disassembly and Assembly S P

b. Required tools and screws

Chapter 4:

Diagnostic Tool S P

Chapter 5:

Serial Number Definition

Chapter 6:

a. Exploded Diagram and Description

b. SPL List

Chapter 1:

System

Operating System

 Android Lollipop system 5.1

Processor  MTK MT8151 Cortex A7 1.7GHz

Memory

 RAM

 1 GB DDR3L memory

 eMMC

 16GB / 32GB

Display

Display Innolux, N080ICE-GB1; K&D 8” LCD

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: Focal 5726 & Elan eKTH3386

10 point Touch panel

Air-bonding

Precision plus support

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 a/b/g/n WiFi

Module MT6625N/A COB WLAN + BT + FM + GPS, 4 in 1

MAC address Device must contain Bluetooth MAC address before shipment

Frequency range Support 5 GHz/2.4GHz Dual band

Data Rates 802.11a: 54 Mbps

802.11b: 11Mbps

802.11g: 54Mbps

802.11n: MCS 0~7 (HT20) 

802.11n: MCS 0~7 (HT20/HT40)

Operating Range Indoor <= 100m

Output Power

11a: 14dBm ± 3dB

11b : 14dBm ± 3dB

11g : 14dBm ± 2dB

11n : 11dBm ± 2dB

Receive Sensitivity

802.11a: under -70dBm at 54Mbps

802.11b: under -83dBbm at 11Mbps

802.11g: under -70dBm at 54Mbps

802.11n: under -67dBm at MCS 7 (HT20)

under -64dBm at MCS 7 (HT40)

Antenna

Single antenna (without diversity)

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

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 MT6625N/A COB WLAN + BT + FM + GPS, 4 in 1

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 (GPS only)

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 300 hours

Video playback: Min. 8.5 hours when play 720P H.264 video playback on system

(not streaming, Wi-Fi/BT off, total solution 150 nits)

Video playback: Min. 10 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

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

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

 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 1080p FHD 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 lo

ck 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

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