EXPLODED DIAGRAM
…………………………………………………………………….….
4
DISASSEMBLY AND ASSEMBLY …………………………………………………………….…….…5
SERVICE TOOLS………………………………………………………………………………...5
DISASSEMBLE…………………………………………………………………………….……...7
ASS
EMBLY………………………………………………………………………………….……..8
Chapter 2 SYSTEM BLOCK DIAGRAM………………………………………………….....
11
Chapter 3 INSTRUCTION OF THE UNIT CIRCUIT………………………………….……..
12
Chapter 4 ACTUALL BOARD………………………………………………………….…..….
21
SIDE A…………….…………………………………………..………………………………….…….….21
SIDE B……………………….…………………………………………………………………….…...….22
Chapter 5 TROUBLESHOOTING……………………………………………………….….…
23
Chapter 6 SOFTWARE INSTRUCTION OF SW UPDATE……………………………..…..
29
Chapter 7 FUNCTION TEST……………………………………………………………..…….
36
Chapter 8 PARAME
TER 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. Follow these regularly and comply with
Summary of Contents for Zoey
Page 1: ...BLU Zoey 2 4 Service Manual ...
Page 5: ...SERVICE TOOLS ...
Page 6: ......
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 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 29: ...Choose Auto Format FAT ...
Page 32: ......
