Voxtel VS600 free download

File name VOXTEL VS600.pdf

VS600 Service Manual Model: VS600 Service Level: Level 1 ~Level 4 VOXTEL Technical Documentation 1 VS600 Service Manual TABLE OF CONTENTS 1 INTRODUCTION 4 1.1 OVERVIEW 4 1.2 SPECIFICATIONS 4 2 OVERVIEW OF GSM OPERATION 6 2.1 CELLULAR PHONE CONCEPT 6 2.2 GSM-GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS 6 2.3 GSM SYSTEM 7 2.4 SERVICE AREA 9 3 VS600 HARDWARE SPECIFICATIONS 10 3.1 RF SUBSYSTEM 10 3.2 BASE-BAND SUBSYSTEM 11 3.3 BASE-BAND PARTS DETAILS 14 3.4 ACOUSTIC SPECIFICATIONS 21 3.5 CE MARKING 21 3.6 RELATED PERFORMANCE 22 4 CIRCUIT SCHEMATICS 23 4.1 MEMORY CIRCUIT 23 4.2 SIM CARD CIRCUIT 24 4.3 SPEAKER & RECEIVER 2-IN-1 CIRCUIT 24 4.4 MICROPHONE 25 4.5 LCM BACKLIGHT AND LED CIRCUIT 25 4.6 VIBRATOR CIRCUIT 26 4.7 POWER MANAGEMENT & CHARGING CIRCUIT 26 4.8 LCM FPC & LCM BACKLIGHT 27 4.9 BOARD TO BOARD CONNECTOR 28 4.10 HEADSET 29 4.11 BLUETOOTH & CHIP ANTENNA 29 4.12 HALL SENSOR CIRCUIT 30 4.13 MINI USB & MINI SD 31 4.14 UB & MB KEYPADS 31 4.15 MT6219 32 4.16 ANTENNA & SWITCH 33 4.17 AMPLIFIER (SKY77328) 34 4.18 MT6129 & SAW FILTERS 34 5 SOFTWARE DOWNLOAD 36 5.1 SYSTEM REQUIREMENTS