Blu Zoey Service Manual Download Page 22 | Manualshive

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Test flowchart of cannot power on (main)

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Summary of Contents for Zoey

Page 1: ...BLU Zoey 2 4 Service Manual ...

Page 2: ...amera CMOS Camera 0 08 M Pixel MMS WAP Email Support 4G T Flash Card Support PC sync Track ball function Network GSM900 1800 850 1900 2 Main Selling Points FM radio record 12 4 QQVGA 240 320 3 Other Functions USB1 1 SIZE 120 8 50 2 13 7mm TABLE OF CONTENTS INTRODUCTION 3 Chapter 1 EXPLODED VIEW AND COMPONENT DISPOSAL 4 ...

Page 3: ...G 23 Chapter 6 SOFTWARE INSTRUCTION OF SW UPDATE 29 Chapter 7 FUNCTION TEST 36 Chapter 8 PARAMETER SETTING INSTRUCTION 37 INTRODUCTION The purpose of this document is to help service workshop technicians to service products This service manual must be used only by authorized service suppliers The content of it is confidential Please note that provides other guidance documents for service suppliers...

Page 4: ...RMATION 1 Make sure your testing equipment is functioning properly before beginning repair work 2 Before starting repairs you must observe ESD precautions such as being in your ESD protected area and connecting your wristband 3 Use gloves to avoid corrosion and fingerprints 4 Cover windows and displays with a protective film to avoid dust and scratches 5 Use a lint free cloth to clean the LCD 6 Wh...

Page 5: ...SERVICE TOOLS ...

Page 6: ......

Page 7: ...Solder wire soldering paste Wrist grounding strap Antistatic gloves Metal tweezers Screw driver SRT 6 Plates ...

Page 8: ...Chapter 2 SYSTEM BLOCK DIAGRAM ...

Page 9: ...Chapter 3 INSTRUCTION OF THE UNIT CIRCUIT Circuit instruction of CPU ...

Page 10: ...CPU input of the keypad The joint circuit of the f master and the FLASH data ...

Page 11: ...Bluetooth control and data transmit port of master ...

Page 12: ...Data control port of Double SIM card 7 2 MT6260 CPU power supply port SIM 2 Data interface SIM 1 Data interface ...

Page 13: ...CPU voltage and current reference Battery connector ...

Page 14: ...Audio frequency PA I O connector 5PIN To LoudSpeaker ...

Page 15: ...RF IC Build in MT6260 RX from RF LNA TX Signal To RF PA Logic Ctrl Crystal 26MHz Power Supply ...

Page 16: ...RF PA IC ...

Page 17: ...FM radio ...

Page 18: ...SIM card circuit ...

Page 19: ...Chapter 4 PCB Layout chart PCB layout SIDE A PCB layout SIDE B ...

Page 20: ...RF PA CPU MT6260 Charge Circuit Micro USB Loud Speaker SIM2 T Flash Card SIM1 ...

Page 21: ...Chapter 5 TROUBLE SHOOTING Test flow chart of test SIM card ...

Page 22: ...Test flowchart of cannot power on main ...

Page 23: ...The test flowchart of head phone ...

Page 24: ...Test flowchart of incoming call with no ring ...

Page 25: ...Test flowchart of no display or display abnormally ...

Page 26: ...The test flowchart of download failed ...

Page 27: ...Chapter 6 Instruction of SW update 1 1 Install the USB driver without the USB cable plugged into the computer 2 After it is ok plug the cable then check the device manager as the picture below ...

Page 28: ...3 Double click to run FlashTool_v3 0848 Choose right com port 1 You better choose auto format FAT in Format FAT like belows 2 Tip Download Agent choose MTK ALLInOne bin ...

Page 29: ...Choose Auto Format FAT ...

Page 30: ...6 Tip Scatter loading to choose txt file in the SW folder such as scat25_08A_GEMINI Then the BOOTLOADER and ROM will also set to be well ...

Page 31: ...nload to run the program and the red bar appear it shows the phone can connect with this tool successfully then it will write data into phone and tool will show the blue bar after Ok appear with the green circle The process finish ...

Page 32: ......

Page 33: ... Check if the SW is correctly 8 Power on the phone and input 37 check its version number on the first option ...

Page 34: ...ceiver will have a sound 3 Key press relevant keys appear in the screen 1 Vibration The cellphone will vibrate 2 Loud SPK there will be a sound from the speaker 3 Ring press start there will be some music from the speaker 4 LED press confirm button to check if LED is normal 5 LCD LCD will Auto Display 11 Receiver there will be a sound from the receiver ...

Page 35: ...Premise is WAP is valid Setting process Menu Messages MMS Message Settings Server Profile Edit profile Edit Profile Rename Profile Same as WAP Profile name Homepage http mmsc monternet com Data Account Same as WAP Data Account Connection Type Same as WAP Data Account Username Optional Password Optional After setting as above the MMS is ready 3 Email parameter setting instruction Premise is WAP is ...

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