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Table Of Contents
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3.10.10 LCD Module ................................ 63
3.10.11 Audio and Sound ........................ 65
4. TROUBLE SHOOTING .................. 78
4.1 RF Component...................................... 78
4.2 SIGNAL PATH ...................................... 80
4.3 Checking VCXO Block .......................... 81
4.4 Checking Ant. SW Module Block .......... 84
4.5 Checking WCDMA Block ...................... 86
4.5.1 Checking VCXO Block ................... 87
4.5.2 Checking Ant. SW module .............. 87
4.5.3 Checking RF TX Level ................... 87
4.5.4 Checking PAM Block ...................... 89
4.5.5 Check RF Rx Level ........................ 90
4.6 Checking GSM Block ............................ 92
4.6.1 Checking VCO Block ...................... 93
4.6.2 Checking Ant. SW Module ............. 95
4.6.3 Checking RF Tx level ..................... 95
4.6.4 Checking PAM Block ..................... 97
4.6.5 Checking RF Rx Block ................... 98
4.7 Bluetooth RF Block ............................. 100
4.8 Main Features ..................................... 103
4.8.1 LG-U8210 Main Features ........... 103
4.9 Main Component................................. 104
4.9.1 LG-U8210 Main Component ....... 104
4.10 Power ON Trouble ............................ 107
4.11 USB Trouble ..................................... 109
4.12 SIM Detect Trouble ........................... 110
4.13 Key Sense Trouble ........................... 112
4.14 Camera Trouble ................................ 113
4.15 Main LCD Trouble............................. 114
4.16 Sub LCD Trouble .............................. 117
4.17 Keypad Backlight Trouble ................. 119
4.18 Folder ON/OFF Trouble .................... 120
4.19 Camera Direction Detection Trouble. 122
4.20 Camera Flash Trouble ...................... 124
4.21 Audio Trouble Shooting .................... 126
4.22 Charger Trouble Shooting................. 145
5. BLOCK DIAGRAM ....................... 148
5.1 GSM & WCDMA RF Block.................. 148
5.2 Interface Diagram ............................... 150
6. DOWNLOAD ................................ 154
6.1 Introduction ......................................... 154
6.2 Downloading Procedure...................... 154
6.3 Troubleshooting Download Errors ...... 167
6.4 Caution................................................ 172
7. CALIBRATION ............................. 173
7.1 General Description ............................ 173
7.2 Pegasus Environment......................... 173
7.2.1 H/W Environment.......................... 173
7.2.2 S/W Environment .......................... 173
7.2.3 Configuration Diagram of
Calibration Environment................ 173
7.3 Calibration Explanation ....................... 174
7.3.1 Overview ....................................... 174
7.3.2 Calibration Items ........................... 174
7.3.3 EGSM 900 Calibration Items ........ 175
7.3.4 DCS 1800 Calibration Items ......... 177
7.3.5 PCS 1900 Calibration Items ......... 178
7.3.6 WCDMA Calibration Items ............ 180
7.4 Program Operation ............................. 185
7.4.1 Pegasus Program Overview ......... 185
7.4.2 Pegasus Function Description ...... 185
7.4.3 Calibration Procedure ................... 190
7.4.4 Calibration Result Message .......... 190
Summary of Contents for U8210
Page 22: ...3 TECHNICAL BRIEF 23 Figure 3 2 1 1 RTR6250 IC Functional Block Diagram ...
Page 37: ...3 TECHNICAL BRIEF 38 Figure 3 5 12 1 Bluetooth system architecture ...
Page 110: ...4 TROUBLE SHOOTING 111 USB_D USB_D USB_VBUS X100 48M 48MHz ...
Page 115: ...4 TROUBLE SHOOTING 116 LCD Control data flow ...
Page 117: ...4 TROUBLE SHOOTING 118 LCD Control data flow ...
Page 122: ...4 TROUBLE SHOOTING 123 TR400 ...
Page 124: ...4 TROUBLE SHOOTING 125 FLASH_ON from Main Bíd PM6650 CN1 Flash LED ...
Page 127: ...4 TROUBLE SHOOTING 128 FB503 CN500 FB502 CN2 CN1 ...
Page 129: ...4 TROUBLE SHOOTING 130 C627 Head_set Output Pin 4 5 C626 CN304 R624 ...
Page 131: ...4 TROUBLE SHOOTING 132 R649 CN300 CN2 CN1 U605 C633 R648 C634 R622 R623 ...
Page 133: ...4 TROUBLE SHOOTING 134 R649 CN300 CN2 CN1 U605 C633 R648 C634 R622 R623 ...
Page 135: ...4 TROUBLE SHOOTING 136 C627 Head_set Output Pin 4 5 C626 CN304 R624 ...
Page 137: ...4 TROUBLE SHOOTING 138 R649 CN300 CN2 CN1 U605 C633 R648 C634 R622 R623 ...
Page 139: ...4 TROUBLE SHOOTING 140 C627 Head_set Output Pin 4 5 C626 CN304 R624 ...
Page 141: ...4 TROUBLE SHOOTING 142 MIC Contact C404 C401 ...
Page 143: ...4 TROUBLE SHOOTING 144 C115 Head_Phone Input Pin 2 3 C102 CN304 R624 ...
Page 146: ...4 TROUBLE SHOOTING 147 Receptacle 4 6V 4 6V ...
Page 151: ...5 BLOCK DIAGRAM 152 Top Side ...
Page 152: ...5 BLOCK DIAGRAM 153 Bottom Side ...
Page 154: ...6 DOWNLOAD 155 It is ready for downloading ...
Page 160: ...6 DOWNLOAD 161 6 Click on Download to download ...
Page 165: ...6 DOWNLOAD 166 Downloading the Module image Finally Download has been complete ...
Page 168: ...6 DOWNLOAD 169 When you meet the NV Restore error Connect to the phone ...
Page 170: ...6 DOWNLOAD 171 Select the proper file and click on Restore Reading the NV file and restore NV ...
Page 200: ... 201 9 PCB LAYOUT ...
Page 201: ... 202 9 PCB LAYOUT ...
Page 202: ... 203 9 PCB LAYOUT U8210 KEYPAD SPEY0032001 1 1 TOP ...
Page 203: ... 204 9 PCB LAYOUT ...
Page 204: ... 205 9 PCB LAYOUT ...
Page 206: ... 207 ...
Page 207: ... 208 ...