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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Table Of Contents
1. INTRODUCTION...............................................5
1.1 Purpose......................................................................5
1.2 Regulatory Information.................................................5
2. PERFORMANCE............................................... 7
3. TECHNICAL BRIEF......................................... 20
3.1 General Description ..................................................20
3.2 GSM/EDGE receive specifications ...............................23
3.3 WCDMA primary receive signal path specifications ......29
3.4 WCDMA transmit signal path specifications.................32
3.5 LO Phase-locked Loop...............................................34
3.6 Off-chip RF Components............................................36
3.7 Digital Baseband (DBB/MSM6260) .............................47
3.8 Subsystem(MSM6260) ..............................................50
3.9 Power Block..............................................................58
3.10 External memory interface .......................................63
3.11 H/W Sub System .....................................................64
3.12 LG-KP330 Main features .........................................80
4. TROUBLE SHOOTING.....................................81
4.1 RF Component ..........................................................81
4.2 Checking TCXO Block ................................................84
4.3 Checking Ant. SW Module Block.................................86
4.4 Checking TX POWER of UMTS 2100MHz ....................88
4.5 Checking TX POWER of UMTS 1900MHz ....................91
4.6 Checking TX POWER of UMTS 850MHz ......................94
4.7 Checking UMTS 2100 PAM Control Block ...................97
4.8 Checking UMTS 1900/850 Dual PAM Control Block ....98
4.9 Checking UMTS 2100/1900/850 Rx Level..................99
4.10 Checking GSM Block .............................................102
4.11 Checking Ant. SW Module......................................103
4.12 Checking PAM Block..............................................106
4.13 Checking GSM Rx Block.........................................107
4.14 BLUETOOTH Checking Block ..................................110
4.15 Power on trouble ...................................................112
4.16 Charger TROUBLE SHOOTING ................................118
4.17 USB trouble...........................................................123
4.18 SIM detect trouble .................................................127
4.19 Keypad Backlight Troubleshooting...........................129
4.20 Audio Troubleshooting............................................131
5. Download Instruction ................................ 146
5.1 Preparation .............................................................146
5.2 Downloading Procedure...........................................146
6. Block Diagram ........................................... 151
7. CIRCUIT DIAGRAM...................................... 159
8. BGA Pin Map ..............................................167
9. PCB LAYOUT ...............................................171
10. CALIBRATION............................................ 177
10.1 Usage of Hot-Kimchi..............................................177
11. EXPLODED VIEW & REPLACEMENT
PART LIST ................................................. 181
11.1 EXPLODED VIEW ...................................................181
11.2 Replacement Parts ................................................183
11.3 Accessory .............................................................206
