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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 ..................................8
2.4 Current Consumption.............................14
2.5 RSSI BAR ..............................................14
2.6 Battery BAR ...........................................14
2.7 Sound Pressure Level............................15
2.8 Charging ................................................16
3. TECHNICAL BRIEF ........................17
3.1 General Description ...............................17
3.2 GSM Mode.............................................20
3.3 WCDMA Mode .......................................23
3.4 LO Phase-locked Loop ..........................26
3.5 Off-chip RF Components .......................28
3.6 Digital Baseband(DBB/MSM6250A) ......35
3.7 Hardware Architecture ...........................36
3.8. Subsystem(MSM6250A) .......................38
3.9. External memory interface ....................41
3.10. H/W Sub System.................................42
3.11 LG-U310 Main features........................66
4. TROUBLE SHOOTING ...................72
4.1 RF Component.......................................72
4.2 SIGNAL PATH .......................................73
4.3 Checking VCTCXO Block ......................75
4.4 Checking Ant. SW Module Block ...........78
4.5 Checking WCDMA Block .......................81
4.6 Checking GSM Block .............................87
4.7 Bluetooth RF Block ................................95
4.8 Power ON Trouble .................................97
4.9 USB Trouble ..........................................99
4.10 SIM Detect Trouble ............................100
4.11 Key Sense Trouble ............................101
4.12 Camera Trouble .................................102
4.13 Main LCD Trouble..............................103
4.14 Folder ON/OFF Trouble .....................105
4.15 Camera Direction Detection Trouble..106
4.16 Trans Flash Trouble...........................107
4.17 Audio Trouble Shooting .....................108
4.18 Charger Trouble Shooting..................118
5. DOWNLOAD .................................121
5.1 Introduction ..........................................121
5.2 Downloading Procedure.......................121
5.3 Troubleshooting Download Errors .......135
5.4 Caution.................................................140
6. BLOCK DIAGRAM ........................141
6.1 GSM & WCDMA RF Block...................141
6.2 Interface Diagram ................................142
7. Circuit Diagram ............................143
8. pcb layout .....................................150
9. Calibration & RF Auto
Test Program ................................155
9.1 Configuration of HOT KIMCHI .............155
9.2 How to use HOT KIMCHI.....................159
9.3 Example for using HOT KIMCHI ..................160
10. EXPLODED VIEW &
REPLACEMENT PART LIST ..... 163
10.1 EXPLODED VIEW ............................ 163
10.2 Replacement Parts
<Mechanic component>.................... 165
<Main component> ........................... 169
10.3 Accessory ......................................... 187
Table Of Contents
Содержание U310
Страница 3: ... 4 ...
Страница 20: ...3 TECHNICAL BRIEF 21 ...
Страница 33: ...3 TECHNICAL BRIEF 34 Figure 3 5 10 1 Bluetooth system architecture ...
Страница 47: ...3 TECHNICAL BRIEF 48 Figure PM6650 2M Functional Block Diagram ...
Страница 72: ...4 TROUBLE SHOOTING 73 4 2 SIGNAL PATH WCDMA Tx PATH WCDMA Rx PATH ...
Страница 76: ...4 TROUBLE SHOOTING 77 ...
Страница 90: ...4 TROUBLE SHOOTING 91 ...
Страница 110: ...4 TROUBLE SHOOTING 111 CN501 C537 C538 MSM6250A ...
Страница 116: ...4 TROUBLE SHOOTING 117 C216 C217 for MIC serial capacitor MSM6250A ...
Страница 119: ...4 TROUBLE SHOOTING 120 Q400 Q401 Q402 VBATT GND ...
Страница 149: ... 150 8 pcb layout ...
Страница 150: ... 151 8 pcb layout ...
Страница 151: ... 152 8 pcb layout ...
Страница 152: ... 153 8 pcb layout ...
Страница 153: ... 154 ...
Страница 160: ...9 Calibration RF Auto Test Program 161 9 3 1 Example for Calibration Click START U310 ...
Страница 161: ...9 Calibration RF Auto Test Program 162 9 3 2 Example for RF Auto Test Click Run button U310 U310 U310 U310 ...
Страница 163: ... 164 ...
Страница 187: ...Note ...
Страница 188: ...Note ...