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1. INTRODUCTION .............................. 5
1.1 Purpose................................................... 5
1.2 Regulatory Information............................ 5
2. PERFORMANCE...............................7
2.1 System Overview .....................................7
2.2 Usable environment .................................8
2.3 Radio Performance ..................................9
2.4 Current Consumption.............................13
2.5 RSSI BAR ..............................................14
2.6 Battery BAR ...........................................14
3. TECHNICAL BRIEF ........................15
3.1 GENERAL DESCRIPTION ....................15
3.2 GSM MODE ...........................................17
3.3 UMTS MODE .........................................20
3.4 GPS MODE............................................23
3.5 LO GENERATION and
DISTRIBUTION CIRCUIT ......................24
3.6 OFF-CHIP RF COMPONENTS .............25
3.7 Digital Baseband(DBB/MSM7201A) ......30
3.8 Hardware Architecture ...........................32
3.9 Subsystem(MSM7201A) ........................34
3.10 Power Block .........................................37
3.11 External memory interface ...................42
3.12 H/W Sub System..................................44
3.13 Audio and sound ..................................53
3.14 Camera interface .................................59
3.15 Proximity Sensor..................................65
3.16 Luminance Sensor ...............................66
3.17 Motion Sensor......................................67
3.18 Main Features ......................................68
3.19 Main Component..................................69
4. TROUBLE SHOOTING ...................73
4.1 RF Component.......................................73
4.2 SIGNAL PATH .......................................75
4.3 Checking TCXO Block ...........................79
4.4 Checking Front End Module(FEM)Block81
4.5 Checking WCDMA Block .......................84
4.6 Checking GSM Block .............................96
4.7 Power ON Troubleshooting..................103
4.8 Charger Troubleshooting .....................105
4.9 USB trouble..........................................108
4.10 Audio trouble......................................111
4.11 3M Camera trouble ............................126
4.12 VGA Camera trouble..........................129
4.13 Main LCD trouble ...............................131
4.14 SIM Detect Troubleshooting ..............134
4.15 Keypad Backlight Troubleshooting ....136
4.16 LINEAR MOTOR................................138
4.17 Proximity Sensor on/off trouble..........140
4.18 Luminance Sensor on/off trouble .......142
4.19 Motion Sensor on/off trouble..............144
5. DOWNLOAD .................................146
5.1 Introduction ..........................................146
5.2 Downloading Procedure.......................146
6. BLOCK DIAGRAM ........................158
7. CIRCUIT DIAGRAM ......................169
8. BGA IC PIN CHECK......................177
9. PCB LAYOUT ................................181
10. CALIBRATION & RF AUTO TEST
(HOT KIMCHI) .............................185
10.1 Usage of Hot-Kimchi ..........................185
11. TEST MODE ................................188
12. EXPLODED VIEW &
REPLACEMENT PART LIST ......195
12.1 EXPLODED VIEW .............................195
12.2 Replacement Parts
<Mechanic component>.....................197
<Main component> ............................200
12.3 Accessory ..........................................225
Table Of Contents
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Содержание GT810h
Страница 1: ...Date May 2009 Issue 1 0 Service Manual Model GT810h Service Manual GT810h Internal Use Only ...
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Страница 175: ... 176 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
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