Blu LIFE ONE M Manuel utilisateur
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
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