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Copyright © 2009 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
1.3. ABBREVIATION ...........................................................7
2. PERFORMANCE ...............................................9
2.1 H/W Feature................................................................9
2.2 Technical specification ...............................................10
3. Technical brief .............................................17
3.1 GD510 Functional Block diagram ...............................17
3.2 Baseband Processor (BBP) Introduction ......................18
3.3 Power management IC...............................................27
3.4. Power ON/OFF .........................................................31
3.5 SIM & uSD interface ..................................................32
3.6 Memory ....................................................................34
3.7 LCD Display ..............................................................35
3.8 Keypad Switching & Scanning ....................................36
3.9 Keypad back-light illumination ....................................37
3.10 LCD back-light illumination ......................................38
3.11 JTAG & ETM interface connector ..............................39
3.12 Audio ......................................................................40
3.13 Charging circuit .......................................................41
3.14 FM radio & BLUETOOTH...........................................42
3.15 u-USB Multi Media Interface connector .....................44
3.16 General Description .................................................46
3.17 Receiver part ...........................................................47
3.18.Transmitter part .......................................................48
3.19 RF synthesizer .........................................................49
3.20 DCXO .....................................................................49
3.21 Front End Module control .........................................50
3.22 Power Amplifier Module ...........................................51
3.2. PAM Schematic ........................................................52
4. PCB layout picture ....................................... 53
5. Trouble shooting .......................................... 55
5.1 Trouble shooting test setup ........................................55
5.2 Power on Trouble .......................................................56
5.3 Charging trouble........................................................59
5.4 LCD display trouble ...................................................61
5.5 Camera Trouble .........................................................63
5.6 Receiver & Speaker trouble ........................................65
5.7 Microphone trouble ...................................................68
5.8 Vibrator trouble ..........................................................70
5.9 Keypad back light trouble ...........................................72
5.10 SIM & uSD trouble ...................................................74
5.11 Touch trouble ..........................................................77
5.12 Trouble shooting of Receiver part ..............................78
5.13 Trouble shooting of Transmitter part ..........................84
6. DOWNLOAD & S/W UPGRADE .......................93
7. BLOCK DIAGRAM ........................................103
8. CIRCUIT DIAGRAM ...................................... 105
9. BGA Pin Map ..............................................113
10. PCB LAYOUT .............................................117
11. RF Calibration ..........................................123
11.1 Test Equipment Setup ............................................123
11.2 Calibration Step .....................................................123
12. Stand-alone Test ...................................... 128
12.1 Test Program Setting ...........................................1288
12.2 Tx Test ..................................................................131
12.3 Rx Test ..................................................................132
13. EXPLODED VIEW & REPLACEMENT
PART LIST ................................................ 133
13.1 EXPLODED VIEW ...................................................133
13.2 Replacement Parts ................................................135
13.3 Accessory .............................................................153
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