sample copy. not for distribution. · नोट् -अगय म¡ फुक...

Sample Copy. Not for Distribution.

i

क क


ii

Publishing-in-support-of,

EDUCREATION PUBLISHING

RZ 94, Sector - 6, Dwarka, New Delhi - 110075

Shubham Vihar, Mangla, Bilaspur, Chhattisgarh - 495001

Website: www.educreation.in

________________________________________________________________

© 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: 978-1-5457-0919-1

Price: ` 470.00

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


iii

क क

nsojRu vxzoky

Asia Telecom India No.1 Mobile Training Institute Jabalpur, Madhya Pradesh

EDUCREATION PUBLISHING (Since 2011)

www.educreation.in


iv


v

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


vi

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.

ह औ .आ . ह औ ह भैं ह |


vii

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

नोट्स - अगय मह फुक चाहते है इस फुक को ससपफ ऑनराइन ही खयीदा जा सकता है | अगय ककसी ने बी इस फुक को ऑपराइन डामयेक्ट फेचा मा इस फुक के प्रॊट को ऑनराइन circulate ककमा | भतरफ whatsupps

ग्रऩु भें इस फुक की प्रॊट गमी | तो उस ऩय औय उस ग्रऩु के एडसभन ऩय रीगर एक्शन सरमा जामेगा औय उस ग्रऩु के एडसभन मा उस मजूय से उसका हजाफना बी सरमा जामेगा |


x

ह ण , | आ ह आ ह , आ ह आ

ह ह


xi


xii

CONTENTS Sr. Index Page

Acknowledgments vii Introduction viii

1 क 1 3

ह 4

औ 5

औ 7

advantage औ disadvantage 9

12

SMS failed ह 15

16

16

2 क क 19

औ ह ह 20

( ) 23

( औ - ) 25

ह ह 25

26

AC 26

DC ह ह 27

DC 28

औ ह ह 28

ह ह 29


xiii

औ ओ ह ह 30

ह ह 30

ह ह 31

ह ह 31

3 क क क 34

35

औ 36

ह 38

ह 39

40

SMD ह ह 42

SMD 43

SMD components 48

SMD ह ह 49

SMD 49

SMD ह 50

SMD 51

SMD 53

SMD ह ह 55

SMD 56

SMD 57

SMD 58

SMD NPC 59

POLAR 61

, औ - 63

SMD ह ह 64

SMD 65

SMD 65


xiv

SMD 66

ह ह 69

70

LED ह ह 70

LED 71

SMD S ह 71

SMD PNP ह 72

SMD NPN ह 73

SMD 73

SMD 74

SMD ह ह 78

SMD 79

SMD 80

ह ह 82

83

SMD ह ह 85

ह 86

4 89 ह ह 90

91

ह ह 93

94

ह ह 95

96

ह ह 99

100


xv

5 क क 104 105

105

106

107

107

VCO IC 115

DC TO DC 116

ESD – FILTER IC 117

6 119 ह 120

SMD Rework Station ह 127

SMD ह 128

DC 129

DC ह ह DC machine

129

multimeter ह 131

7 136 आ 137

ह आ 137

आ 138

ह ह 138

139

140

ह 141

142


xvi

& 146

& 148

& 150

& 152

& 154

& 155

& 158

& 160

& 163

& 166

& 169

& 173

& 175

& 178


nsojRu vxzoky | 1

INTRODUCTION OF MOBILE PHONE & HISTORY

क औ

CHAPTER - 1


nsojRu vxzoky | 2


nsojRu vxzoky | 3

क

Mobile Definition What is Mobile?

( औ ह ह , , , , , , ) ण ह आ आ ह ह ह , , आ ओ औ ह , SMS, , , , , , औ औ औ MMS, MP3 , औ GPS. , ( ) ह , (PSTN) ह ( ह ) Mobile Mean: M - Modify O-Operation B - Byte I - Integration L - Limited E- Energy

Integration ( ) - ह

ह ह


nsojRu vxzoky | 4

Figure -1: Evolution of mobile Phone

क

Mobile History आ ह ह ण ह आ |1947 ह | ह | औ | 1950 | आ आ 1973 आ | ओह ओ, 10 , 1969 ह 344970 ह

Figure 1.2: FIRST WIRELESS PHONE


https://4.bp.blogspot.com/-SZVgybRTY8U/WSrwvb40MuI/AAAAAAAABeY/-_Z-fP3k-KclP6neYJzN9PMlVyPQCWEJACLcB/s1600/AAEAAQAAAAAAAAXpAAAAJGIwMTI1N2Q5LTc5ZDMtNDlkZS05MTUxLTBhNmU2NmYzYmVmNw.jpg

nsojRu vxzoky | 5

ह

Figure 1.3: MARTIN COOPER WITH BRICK PHONE

BRICKPHONE ह ददखाई ह ह 1G 1980 1991 | औ Mobile Band & Frequency Band (in Telecommunication)

Telecommunication : ह ह ण ह ह ह SPECIFIC ह ह


nsojRu vxzoky | 6

औ ह ह | ह UPPER

औ LOWER ह India

2G capabilities GSM 900, GSM 1800

3G capabilities UMTS 2100

4G 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)

ह US ह ह CDMA ह औ ह , ह ह ह

ह , ह ह

CDMA ह ह ह ह औ ह

ह ह

GSM - (Global System for Mobile communication) ह

ह , औ ह GSM ह औ ह


nsojRu vxzoky | 7

ह ह 2G GSM ह आ ह औ

50 kbit/s ह

LTE - (Long-Term Evolution) 4G ह Third Generation Partnership Project (3GPP) ह

4G LTE औ ह ह

299.6 Mbit/s औ 75.4 Mbit/s ह आ ह ह

क & क Network Telecommunications ह ह ह

telecommunication औ ह ह , ह ह

Figure 1.4: Network Terminal Nodes

Type of Networks 1G, ह 1980 आ आ 1G almost no consideration

of data services (with the possible exception of built-in modems in some headsets)


Get Complete Book At Educreation Store

www.educreation.in


sample copy. not for distribution. · नोट् -अगय म¡ फुक...

Documents