Huawei Y511-U030 - Chapter 1 Product Profile

XXXX The basic version Repair ManualV1.0
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2013-09-25
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Catalogue
CHAPTER 1 PRODUCT PROFILE .................................................................................................................. 4
1.1 PRODUCT PICTURE .................................................................................................................................... 4
1.2 CHARACTERISTICS OF THE PRODUCT. ....................................................................................................... 4
CHAPTER 2 REPAIR INSTRUCTIONS ........................................................................................................... 6
1.3 DOCUMENTATION ........................................................................................................................................ 6
1.4 REPAIR THE MATTERS NEEDING ATTENTION ............................................................................................... 6
1.5 REPAIR INFORMATION ACQUISITION GUIDE LINES ...................................................................................... 6
CHAPTER 3 PHONE EXPLOSION .................................................................................................................. 7
CHAPTER 4 PCBA COMPONENT LOCATION DIAGRAM ......................................................................... 9
CHAPTER 5 SW UPGRADE ........................................................................................................................... 11
5.1 READY FOR UPGRADING ............................................................................................................................ 11
5.2 UPGRADE HARDWARE CONNECTION .......................................................................................................... 11
5.3 USB DRIVER INSTALLATION ....................................................................................................................... 12
5.4 UPGRADE PROCESS .................................................................................................................................. 15
5.4.1 USE“FLASH TOOL” TOOL ........................................................................................................................................ 15
5.4.2 CONFIGURE FLASHTOOL DOWNLOAD TOOL ............................................................................................................ 15
5.5 SD UPGRADE ............................................................................................................................................. 20
5.6 EXCEPTION HANDLING ............................................................................................................................... 24
CHAPTER 6 SERVICE TOOL ......................................................................................................................... 25
CHAPTER 7 DISASSEMBLE STEP .............................................................................................................. 27
CHAPTER 8 INSTALL STEP........................................................................................................................... 30
CHAPTER 9 PRINCIPLE AND FAULT ANALYSIS ..................................................................................... 34
9.1 PRINCIPLE DIAGRAM AND INTRODUCTION. ................................................................................................ 34
9.2 BASEBAND.................................................................................................................................................. 36
9.2.1 POWER MANAGEMENT CIRCUIT ............................................................................................................................ 36
9.2.2 CHARGING MANAGEMENT CIRCUIT ....................................................................................................................... 42
9.2.3 CLOCK CIRCUIT ....................................................................................................................................................... 44
9.2.4 FLASH CIRCUIT ....................................................................................................................................................... 46
9.3 RF UNIT ...................................................................................................................................................... 48
9.3.1 RECEPTION CHANNEL ................................................................................................................................................. 54
9.3.2 TRANSMITTING CHANNEL ............................................................................................................................................. 57
9.4 EXTERNAL CIRCUIT ........................................................................................................................................ 60
9.4.1 DISPLAY ................................................................................................................................................................. 60
9.4.2 KEYPAD ................................................................................................................................................................. 63
9.4.3 VIBRATION .............................................................................................................................................................. 64
9.4.4 RECEIVER ................................................................................................................................................................ 65
9.4.5 MIC ....................................................................................................................................................................... 67
9.4.6 EARPHONE ................................................................................................................................................................ 69
9.4.7 SIM CARD .............................................................................................................................................................. 70
9.4.8 INTERFACE .............................................................................................................................................................. 73
9.4.9 SD CARD INTERFACE ................................................................................................................................................ 74
9.4.10 CAM .................................................................................................................................................................... 75
9.4.11 BT/WIFI/FM/GPS FAILURE ................................................................................................................................. 78
9.4.12 OTHER COMMON FAILURE ..................................................................................................................................... 79