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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 .......................................24
3.4 LO Phase-locked Loop ..........................27
3.5 Off-chip RF Components .......................29
3.6 Digital Baseband (DBB/MSM6250A) .....34
3.7 Hardware Architecture ...........................35
3.8 Subsystem(MSM6250A) ........................37
3.9 External memory interface .....................40
3.10 H/W Sub System..................................51
3.11 U300 (TWEETY) Main features ...........64
4. TROUBLE SHOOTING ...................70
4.1. RF Component......................................70
4.2. SIGNAL PATH ......................................71
4.3 Checking VCXO Block ...........................72
4.4 Checking Ant. SW Module Block ...........75
4.5 Checking WCDMA Block .......................77
4.6 Checking GSM Block .............................86
4.7 Bluetooth RF Block ................................94
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.................................................139
6. BLOCK DIAGRAM ........................140
6.1 GSM & WCDMA RF Block...................140
6.2 Interface Diagram ................................142
7. Circuit Diagram ............................143
8. pcb layout .....................................150
9. Calibration ....................................155
9.1 HOT KIMCHI........................................155
9.2 How to use HOT KIMCHI.....................156
10. EXPLODED VIEW &
REPLACEMENT PART LIST ..... 159
10.1 EXPLODED VIEW ............................ 159
10.2 Replacement Parts
<Mechanic component>.................... 161
<Main component> ........................... 165
10.3 Accessory ......................................... 183
Table of Contents
Z3X-BOX.COM
Содержание U300
Страница 1: ...Date June 2006 Issue 1 0 Service Manual U300 U300C Service Manual Model U300 U300C Z 3 X B O X C O M ...
Страница 3: ... 4 Z 3 X B O X C O M ...
Страница 24: ...3 TECHNICAL BRIEF 25 Figure 3 3 1 1 RFR6250 IC functional block diagram Z 3 X B O X C O M ...
Страница 46: ...3 TECHNICAL BRIEF 47 Figure PM6650 2 Functional Block Diagram Z 3 X B O X C O M ...
Страница 76: ...4 TROUBLE SHOOTING 77 4 5 Checking WCDMA Block Z 3 X B O X C O M ...
Страница 77: ...4 TROUBLE SHOOTING 78 4 3 5 1 2 Z 3 X B O X C O M ...
Страница 82: ...4 TROUBLE SHOOTING 83 4 5 5 Check RF Rx Level Test Point RF Rx Level Z 3 X B O X C O M ...
Страница 85: ...4 6 Checking GSM Block 4 TROUBLE SHOOTING 86 Z 3 X B O X C O M ...
Страница 87: ...4 TROUBLE SHOOTING 88 Z 3 X B O X C O M ...
Страница 89: ...4 TROUBLE SHOOTING 90 Z 3 X B O X C O M ...
Страница 92: ...4 TROUBLE SHOOTING 93 Z 3 X B O X C O M ...
Страница 95: ...4 TROUBLE SHOOTING 96 Z 3 X B O X C O M ...
Страница 103: ...4 TROUBLE SHOOTING 104 LCD Control data flow CN600 50pin LCD connector 40pin LCD connector LCD Module Z 3 X B O X C O M ...
Страница 110: ...4 TROUBLE SHOOTING 111 C515 C516 CN501 Z 3 X B O X C O M ...
Страница 116: ...4 TROUBLE SHOOTING 117 C201 C202 for MIC capacitor Z 3 X B O X C O M ...
Страница 119: ...4 TROUBLE SHOOTING 120 Q400 Q401 Q402 VBATT GND Z 3 X B O X C O M ...
Страница 140: ...6 BLOCK DIAGRAM 141 Z 3 X B O X C O M ...
Страница 141: ...6 2 Interface Diagram U300 Interface Diagram 6 BLOCK DIAGRAM 142 Z 3 X B O X C O M ...
Страница 149: ... 150 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 150: ... 151 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 151: ... 152 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 152: ... 153 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 153: ... 154 Z 3 X B O X C O M ...
Страница 155: ...9 Calibration 156 9 2 How to use HOT KIMCHI 9 2 1 Calibration Find model name Apply U300 model Z 3 X B O X C O M ...
Страница 156: ...9 Calibration 157 Check testing object Click Start for Calibration Z 3 X B O X C O M ...
Страница 157: ...9 Calibration 158 Show result of calibration Show result Z 3 X B O X C O M ...
Страница 159: ... 160 Z 3 X B O X C O M ...
Страница 183: ...Note Z 3 X B O X C O M ...
Страница 184: ...Note Z 3 X B O X C O M ...