Blu STUDIO 5.0 HD LTE Manuale utente

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BLU STUDIO 5.0 HD

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

3.Assemble & Dissemble

Dissembly..................…………………………………………………………………………...6-11

Assembly………………………………………………………………………………………...12-17

6. Picture of main board

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

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

7. System Block Chart…………………………………………………………………………………...20

8. Unit Circuit Map ..…......................................................................................................... 21-27

9. Trouble Shooting Guide …..…………………………………………………………………….28-39

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CHAPTER 1 INTRODUCTION

SPEC：

Network：

2G: 850MHz/900MHz/1800MHz/1900MHz

3G: 2100MHz/900MHz

Size：146*74*9.3mm

Bluetooth：Support BT 4.0

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

Lithium Battery: 2000mAh Battery

USB: Micro USB 2.0

S5501 Main Function

Full Touch Smartphone

Android 4.2

CPU MT 6582 1.3G Quad core

5“HD 1280*720

Camera：8 AF Mega , Front camera：2 Mega

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

Flash Memory:8GB+1GB

Dual SIM

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CHAPTER 2 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

5/ 43

CHAPTER 3 DISASSEMBLY AND ASSEMBLY

3.1 DISASSEMBLY

Remove the battery cover……... 1

Unfasten the 10 screws…………………2

Remove the TP connector……….4

………4

Take out the camera…………...………..5

Prize up the back cover…….………..………..3

Remove the FPC connector………..…...………….……... 6

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Unfasten the screws..…………...……7

Remove the FR coaxial line connector……...……..8

Remove the FPC connector………10

Remove the LED FPC……...…11

Remove the speaker…………….....12

Remove the antenna PCBA……………..……….9

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Remove the speaker PCBA…………………..13

Remove the vibrator…………………..14

Use haet gun to heat aound the TP 200°C……..15

Remove the TP………..16

stick the protection film onto LCD…………..17

Stick the protection film onto TP……..18

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Finished。。。。。。。

Remove the LCD…………..19

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3.2 ASSEMBLY

Install the TP………………………..4

Remove the protection film……….3

Install the LCD……….…..………..…1

Remove the protection film………….2

Install the speaker PCBA…….……….....5

Solder the LED FPC…………...... 6

10 / 43

Install the PCBA…..…………………11

Fasten the screws………….…..…12

Install the RF coaxial line……………………….…10

Install the antenna PCBA……..…………9

Install the FPC………………7

Install the vibrator…………..8