Blu LIFE ONE M Manuel utilisateur

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Customer Service Service Manual

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LIFE ONE M SERVICE MANUAL

Customer Service Service Manual

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CAUTIONS

Please refer to the phone’s user’s guide for instructions relating to operation, care, and maintenance, which include

important safety information.

Servicing and alignment must be undertaken by qualified personnel only.

Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.

Use only approved components as specified in the parts list.

Ensure all components, modules, screws, and insulators are correctly re-fitted after servicing and alignment

Ensure all cables and wires are repositioned correctly

Electrostatic discharge can easily damage the sensitive components of electronic products. Therefore, every service

supplier must observe the precautions which mentioned above.

CONTENTS

Content

1. Brief Introduction….……………………………………………………………………………….….3

2. Exploded View………………………………………………………………………………………….4

3. Tools……………………………………………………………………………………………………..5

4. Assemble & Dissemble

Dissembly..................…………………………………………………………………………...6～11

Assembly………………………………………………………………………………………...12～17

5. Picture of main board

A&B side of PCBA .…………….…………………………………………………….…………..18

A&B of PCBA Layout………….….………….…………………………….………………….…....19

6. System Block Chart…………………………………………………………………………………...20

7. Unit Circuit Map ..…......................................................................................................... 21～27

8. Trouble Shooting Guide …..…………………………………………………………………….28～32

9. Upgrading ………………….……………………………………………………………………. 33～38

10. CIT testing…………………………………………………………………………………………….39

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CHAPTER 1 INTRODUCTION

SPEC：

Network：2G/Edge 850MHz/900MHz/1800MHz/1900MHz 3G: 850/1900/2100MHz or

850/1700/1900。

Size：144*74*9mm

Bluetooth：Support BT 4.0

Wi-Fi: 802.11b, 802.11g, 802.11n

Lithium Battery: 2000mAh Inlay Li-ion Battery

USB: Micro USB 2.0

Life one M Main Function

Dual Card Dual Standby Full Touch Smartphone

Android 4.2

CPU MT 6589T four core Cortex-A7, 1.5GHz

5“ HD IPS 1280*720

Camera：12 AF Mega ,Front camera 2 Mega

BT 4.0 , WIFI :802.11b, 802.11g, 802.11n

Flash Memory:4GB+1GB

Dual SIM

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CHAPTER 3 SERVICE TOOLS

Voltage regulator

Multimeter

Iron

Hot air gun

Solder wire, soldering paste

Computer and software download cable

Metal tweezers, Screw driver etc

Pick

Driver

Tweezers

Wrist

groun

ding

Antistatic

SW

upDownlo

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CHAPTER 4 DISASSEMBLY AND ASSEMBLY

4.1 DISASSEMBLY

Remove the battery cover…….……..………………... 1

Take out the battery……………………………....…2

Remove the back cover……………………………4

Remove the keypad………………...………..5

Unscrew the 8 screws…….……………..………..3

Unscrew the 2 screws………...………….……... 6

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Remove the keypad FPC………………...……7

Remove the TP FPC……………………...……..8

Remove the FPC connector……...……………………10

Take out the PCBA.………………………...…11

Unscrew the 3 scrwes…………..………….....12

Remove the camera connector………………………….9

Take out the speaker cover………………………..13

Remove the RF coaxial line..……………………14

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Finished。。。。。。。

Remove the TP FPC….……………...……………15

Remove the speaker PCBA…………………………16

Heat the TP around use hot air gun(100 )….……….17

Open the TP with sucker….………………………..18

Remove the TP ……………………………………19

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4.2 ASSEMBLY

Install the speaker PCBA……….…………………..4

Button the TP by hand………………………..……3

Install the TP...……………………..…..………..…1

Install the LCD FPC……………………………….2

Install the FPC connector…………..…………...5

Install the RF coaxial line…………………...... 6

Install the speaker cover………………………....…7

Fasten the 3 screws…..………...………………8

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Install the camera….……...…………………11

Install the TP FPC……………………………..…12

Fasten the 2 screws...………………...……………10

Install the PCBA……....…………………... 9

Install the keypad FPC……….……..……..……13

Install the RF coaxial line………………………………14

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Finished………

Button the back cover by hand……..….………………17

Fasten the 8 screws…...……………………18

Install the back cover ….……...…………16

Install the keypad………...……………….15

Install the battery...……....…………..…19

Install the battery cover…...…….…...…………20