Acer Liquid Z2 Manuale utente

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Z2 Service guide

Category of technical document: Instruction book

version：A

Date：2013-1-18

Document No：Z2_2MV521

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Language :English

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1. General Characteristics

Overview

2MV521 support GSM/WCDMA/HSDPA，which equipped with Android 4.1 JS.

2MV521 Main board has rich multimedia functions including TFT display, CTP,

MMS,64 polyphonies, multimedia playback, FM, stereo earphone , Bluetooth,

Wifi ,GPS, and USB connection, support motion sensor, ALS/PS sensor, dual

camera, micro SD ,dual SIM card, 18bit RGB LCD, Capacitive Touch Panel, etc.

business card-shaped phone manager, clock/alarm clock, calculator ,senor games

and other practical Applications.

This document Involved key components description, electrical characteristics

and Troubleshooting.

Introduction to Main Functions

System functional characteristics:

Compatible with，GSM900/1800/1900，WCDMA 2100/900（optional）;

3.5"/ 262Kcolor TF TLCD;

Multipoint Capacitive Touch Panel;

4Gb ROM +512Mb RAM；

3.5’’ Audio Jack and Loud speaker;

3M pixel OR 5M pixel Camera ;

Support motion sensor;

Support GPS、BT、FM、WIFI;

Support ALS/PS;

Support Fuel gauge;

Android 4.01 JS ,Support third-party software extensions.

Technical Indicators

Performance Indicators

Normal operating condition:-10℃~55℃;

Storage temperature:-10℃~60℃;

Relative humidity:10%～95%;

Receiving sensitivity:≤-105dBm;

Standby time:200~300hr ;

Battery capacity:1500mAh;

Transmitting power:2W/1W;

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Power supply voltage:3.4-4.2V;

MP3 playing duration:10~15hr(with Audio Jack);

Video playing duration :about 3~4hr;

Conversation duration:3~4hr.

Power Consumption Indicators

Standby current of motherboard: < 3.5mA；

Conversation current: 2G<250mA;3G<500mA;

Full bright in a poor light(keyboard light on): <400mA;

Semi-bright in a poor light (keyboard light off): <300mA;

Shutdown current:<100uA;

Dial-in vibration:<400mA;

Dial-in ring tone:<430mA;

Dial-in vibration + ring tone:<450mA;

Short message service:<150mA;

Camera Preview: <350mA;

MP3 playing: maximum volume < 40mA(with Audio Jack);

Video Playback:<400mA.

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2. Quick Spec

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3. Description about Circuit

Block Diagram of Operating Principle

The system architecture of 2MV521 is illustrated in Figure 2-1:

Figure 2-1 System architecture of 2MV521

Based on MTK platform design, 2MV521is mainly composed of

Baseband,RF ,PMU, IO, and other modules.

Featuring an ARM11-based kernel, MT6575MA, baseband module features

across-the-aboard peripheral interfaces and achieves seamless integration of audio

frequency, SIM card, T Flash card, Keyboard and other peripheral equipments. The

storage structure of 2MV521 is composed of DDR,NAND flash and T-Flash.

Vibrator

Transce

iver

（MT6

162）

BaseBand（MT6575M）

Memory

WCDMA PA

Camera

I/O

CON.

SIM1/2

TF-Card

Receiver

/MIC

LCM

Capacitive

touch

screen

BT/FM/WIFI/GPS

4 IN 1 （MT6620）

EarJack

ASM & GSM

RF PA

BJT

Motionsensor/

AL/P sensor

PMIC（MT6329）

26M

32K

PowerKey/

ICON LED

LLEDLED

Volume Key

MAIN BATERY

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RF module adopt MT6162 as transceiver (2G and 3G) , improved the

performance of RF feature and saved much more place of motherboard. and adopt

RF3233 as 2G PA with antenna switch, ACPM-5401-TR1、ACPM-5408-TR1B as 3G

PA.

MT6575MA is a highly integrated baseband platform incorporating both modem

and application processing subsystems to enable 3G (UMTS) smart phone

applications. The chip integrates a 1 GHz Cortex-A9 MCU, an ARM1176 MCU and a

powerful DSP processor with multimedia capabilities. The MT6575MA interfaces to

NAND flash memory, 32-bit mobile DDR and LPDDR2 for optimal performance and

supports booting from NAND to minimize the overall BOM cost. In addition, an

extensive set of interfaces and connectivity peripherals are included to interface to

cameras, touch-screen displays, MMC/SD cards and external Bluetooth, WiLAN and

GPS modules.

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4. ID

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5.Acer software upgrade tool guide

1、Before download, Please configure the configuration file.

Detailed steps：

（1.）Double-click the ROM folder，copy the software to the ROM folder under the root

directory.

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