LG KP500 Cookie service manual.pdf

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Service Manual
Internal Use Only
Service Manual
KP500
Model : KP500
Date: October, 2008 / Issue 1.0
REVISED HISTORY
Editor
S.J.CHOI
Date
4/10
Issue
0.1
Contents of Changes
S/W Version
* The information in this manual is subject to change without notice and should not be construed as a
commitment by LGE Inc. Furthermore, LGE Inc. reserves the right, without notice, to make changes to
equipment design as advances in engineering and manufacturing methods warrant.
* This manual provides the information necessary to install, program, operate and maintain the KP500.
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
-3-
LGE Internal Use Only
LGE Internal Use Only
-4-
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Table Of Contents
1. INTRODUCTION .....................................7
1.1 Purpose .......................................................... 7
1.2 Regulatory Information.................................... 7
1.3 ABBREVIATION.............................................. 9
5.10 SIM & uSD trouble .......................................87
5.11 Touch pad trouble ........................................91
5.12 RTC trouble..................................................93
5.13 Tri-axial, digital acceleration sensor trouble.94
5.14 Trouble shooting of Receiver part ................95
5.15 Trouble Shooting of Transmitter Part .........101
2. PERFORMANCE ...................................11
2.1 H/W Features .................................................11
2.2 Technical specification ...................................12
6. DOWNLOAD & S/W UPGRADE.............109
7. CIRCUIT DIAGRAM ............................121
8. BGM PIN MAP.....................................129
9. PCB LAYOUT......................................135
10. RF Calibration ..................................139
10.1 Test Equipment Setup................................139
10.2 Calibration Step..........................................139
3. TECHNICAL BRIEF ..............................19
3.1 KP500 Functional Block diagram ...................19
3.2 Baseband Processor (BBP) Introduction .......20
3.3 Power management IC ..................................32
3.4 Power ON/OFF ..............................................37
3.5 SIM & uSD interface.......................................39
3.6 Memory ..........................................................41
3.7 LCD Display ...................................................42
3.8 Keypad Switching & Scanning .......................43
3.9 Keypad back-light illumination........................44
3.10 LCD back-light illumination...........................45
3.11 JTAG & ETM interface connector ................47
3.12 Audio ............................................................48
3.13 Charging circuit ............................................51
3.14 FM radio & BLUETOOTH.............................52
3.15 18pin Multi Media Interface connector .........55
3.16 Tri-axial, digital acceleration sensor..............57
3.17 General Description .....................................59
3.18 Receiver part................................................61
3.19 Transmitter part............................................62
3.20 RF synthesizer .............................................63
3.21 VCTCXO ......................................................63
3.22 Front End Module control.............................64
3.23 Power Amplifier Module ...............................65
3.24 PAM Schematic............................................66
11. Stand-alone Test ..............................144
11.1 Test Program Setting .................................144
11.2 Tx Test .......................................................146
11.3 Rx Test.......................................................147
12. EXPLODED VIEW & REPLACEMENT
PART LIST.........................................149
12.1 Exploded View ...........................................149
12.2 Replacement Parts.....................................151
12.3 Accessory.................................................. 169
4. PCB layout............................................67
4.1 Main PCB component placement...................67
5. Trouble shooting..................................69
5.1 Trouble shooting test setup............................69
5.2 Power on Trouble...........................................70
5.3 Charging trouble.............................................73
5.4 LCD display trouble........................................75
5.5 Camera Trouble .............................................77
5.6 Receiver & Speaker trouble ...........................79
5.7 Microphone trouble ........................................81
5.8 Vibrator trouble...............................................83
5.9 Keypad back light trouble...............................85
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
-5-
LGE Internal Use Only
LGE Internal Use Only
-6-
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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