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3 Publishing-in-support-of, EDUCREATION PUBLISHING RZ 94, Sector - 6, Dwarka, New Delhi Shubham Vihar, Mangla, Bilaspur, Chhattisgarh Website: Copyright, Authors All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted, in any form by any means, electronic, mechanical, magnetic, optical, chemical, manual, photocopying, recording or otherwise, without the prior written consent of its writer. ISBN: Price: ` The opinions/ contents expressed in this book are solely of the authors and do not represent the opinions/ standings/ thoughts of Educreation or the Editors. The book is released by using the services of self-publishing house. Printed in India ii

4 क क nsojru vxzoky Asia Telecom India No.1 Mobile Training Institute Jabalpur, Madhya Pradesh EDUCREATION PUBLISHING (Since 2011) iii

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6 ABOUT THE AUTHOR Devratn Agrawal, one of the best authors of hardware and certification book, has been involved with Mobile hardware and software for over 6 years. His professional career includes experience as a technician, You Tuber, Developer, Blogger, and Motivator, trainer, teacher and end-user. He is the Made of several website & Apps on Mobile hardware & Software, and many other information technology and computing topics v

7 This book is dedicated to Smt Kamlesh Agrawal & Shri S.R. Agrawal, my Mom & Dad as a small thanks for his love and his belief in me. औ.आ. भ औ vi

8 ACKNOWLEDGMENTS My thanks to All My Students, YouTube Subscriber; others Follower for their contributions to this book always motivated me to write a book in Mobile Repairing. There is another group of people that made the final product of this book possible. To my parents for giving me life, I hope I have made you proud. I would also like to special thanks to the following companies and organizations for the use of their product images, illustrations, and information: Wikipedia Motorola co. Samsung Google.co न ट स - अगय म फ क च त इस फ क क ससपफ ऑनर इन खय द ज सकत अगय ककस न ब इस फ क क ऑपर इन ड मय क ट फ च म इस फ क क प र ट क ऑनर इन circulate ककम भतरफ whatsupps ग र ऩ भ इस फ क क प र ट गम त उस ऩय औय उस ग र ऩ क एडसभन ऩय र गर एक शन सरम ज म ग औय उस ग र ऩ क एडसभन म उस म जय स उसक ज फन ब सरम ज म ग vii

9 INTRODUCTION आ आ औ ऐस औ आ आ 1 भ य आ COUNTRY आ आ YOUTUBE ASIA TELECOM क आ 300 YOUTUBE ANDROID PLAY STORE ASIA TELECOM क आ 20 औ आ viii

10 आ औ SHOP औ TOOL? 100 % COMPLETE 95% 99% आ ऩय ण (TOOL) SHOP 100% PRICE COMPLETE WEBSITE औ APPS आ, औ ADVANCE MOBILE REPAIRING आ आ आ :,, components,,,,,,,,,, ix

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13 CONTENTS Sr. Index Page 1 2 Acknowledgments vii Introduction viii क औ 5 औ 7 advantage औ disadvantage 9 12 SMS failed क क औ 20 ( ) 23 ( औ - ) AC 26 DC 27 DC 28 औ xii

14 औ ओ क क क औ SMD 42 SMD 43 SMD components 48 SMD 49 SMD 49 SMD 50 SMD 51 SMD 53 SMD 55 SMD 56 SMD 57 SMD 58 SMD NPC 59 POLAR 61, औ - 63 SMD 64 SMD 65 SMD 65 xiii

15 SMD LED 70 LED 71 SMD S 71 SMD PNP 72 SMD NPN 73 SMD 73 SMD 74 SMD 78 SMD 79 SMD SMD xiv

16 5 क क VCO IC 115 DC TO DC 116 ESD FILTER IC SMD Rework Station 127 SMD 128 DC 129 DC DC machine 129 multimeter आ 137 आ 137 आ xv

17 & 146 & 148 & 150 & 152 & 154 & 155 & 158 & 160 & 163 & 166 & 169 & 173 & 175 & 178 xvi

18 CHAPTER - 1 INTRODUCTION OF MOBILE PHONE & HISTORY क औ nsojru vxzoky 1

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20 क Mobile Definition What is Mobile? ( औ,,,,,, ण आ ) आ,, आ, ओ औ SMS,,,,,, औ औ औ MMS, MP3, औ GPS.,, ( ) (PSTN) ( ) Mobile Mean: M - Modify O-Operation B - Byte I - Integration L - Limited E- Energy Integration ( ) - nsojru vxzoky 3

21 Figure -1: Evolution of mobile Phone क Mobile History आ ण आ 1947 औ 1950 आ आ 1973 आ ओ ओ, 10, Figure 1.2: FIRST WIRELESS PHONE nsojru vxzoky 4

22 Figure 1.3: MARTIN COOPER WITH BRICK PHONE BRICKPHONE ददख ई 1G औ Mobile Band & Frequency Band (in Telecommunication) Telecommunication : ण SPECIFIC nsojru vxzoky 5

23 औ UPPER औ LOWER India 2G capabilities GSM 900, GSM G capabilities UMTS G capabilities LTE 1800, LTE 2300 GSM, DCS and PCS: operate at different frequencies. GSM900 operates at 900MHz, DCS1800 operates at 1800 MHz and PCS 1900 operates at 1900 MHz Cell Broadcast allows you to view information on the screen of your phone updated automatically. For example it can tell you what area you're in. by selecting other channels Some Type of Bands GSM - Global System for Mobile communications CDMA - Code Division Multiple Access UMTS Universal Mobile Telecommunication (3G Network) LTE Long Term Evolution (4G Network) Bands CDMA - (Code Division Multiple Access) US CDMA औ,, CDMA औ GSM - (Global System for Mobile communication), औ GSM औ nsojru vxzoky 6

24 2G GSM आ औ 50 kbit/s LTE - (Long-Term Evolution) 4G Third Generation Partnership Project (3GPP) 4G LTE औ Mbit/s औ 75.4 Mbit/s आ क & क Network Telecommunications telecommunication औ, Type of Networks Figure 1.4: Network Terminal Nodes 1G, 1980 आ आ 1G almost no consideration of data services (with the possible exception of built-in modems in some headsets) nsojru vxzoky 7

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