LG KP200 Service Manual.pdf

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KP200 SVC ENG_0521
Service Manual
KP200
Date: June, 2007 / Issue 1.0
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REVISED HISTORY
Editor
Date
Issue
Contents of Changes
S/W Version
Y. S. Jeong
2007/01/05
A
INITIAL RELEASE
J.M. CHUNG
2007/01/07
A.1
Y.C. Kim
2007/01/12
A.2
Y.C. Kim
2007/05/01
A.3
* 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.
* TThis manual provides the information necessary to install, program, operate and maintain the
KP200.
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Table Of Contents
1. INTRODUCTION ...............................5
1.1 Purpose .................................................. 5
1.2 Regulatory Information............................ 5
4.12 SIM Trouble .........................................62
4.13 Vibration Trouble..................................64
4.14 FM Radio Trouble ................................66
2. SYSTEM SPECIFICATION................7
5. DOWNLOAD.......................................67
5.1 Download ...............................................67
3. TECHNICAL BRIEF ..........................8
3.1 KP200 Block diagram. .............................8
3.2 RF Part Introduction.................................9
3.2.1 Receiver Part ....................................9
3.2.2 Transmitter Part ..............................11
3.2.3 The Crystal Reference System .......13
3.2.4 Power Management........................14
3.3 Baseband Introduction ...........................15
3.3.1 Baseband Processor ......................15
3.3.2 Interconnection with
external devices ..............................16
3.3.3 Battery Charging Block ...................19
3.3.4 Display and Interface ......................20
3.3.5 Keypad Switches and Scanning .....22
3.3.6 Microphone .....................................23
3.3.7 Soft-midi and Main Speaker ...........23
3.3.8 Headset Interface ...........................25
3.3.9 Key Back-light Illumination..............26
3.3.10 LCD Back-light Illumination...........26
3.3.11 VIBRATOR ...................................27
3.3.12 FM Radio ......................................28
6. Circuit Diagram ..............................69
7. pcb layout .......................................76
8. ENGINEERING MODE ....................81
8.1 BB Test [MENU 1]..................................81
8.2 RF Test [MENU 2]..................................84
8.3 MF mode [MENU 3] ...............................84
8.4 Trace option [MENU 4] ..........................85
8.5 Call timer [MENU 5] ...............................85
8.6 Fact. Reset [MENU 6] ............................85
8.7 S/W version............................................85
9. STAND ALONE TEST .....................86
9.1 Introduction ............................................86
9.2 Setting Method.......................................86
10. Calibration ....................................89
10.1 Calibration with Hotkimchi....................89
11. EXPLODED VIEW &
REPLACEMENT PART LIST ....... 97
12.1 Exploded View .................................... 97
4. TROUBLE SHOOTING ...................29
4.1 RF components......................................29
4.2 RX Trouble.............................................30
4.3 TX Trouble .............................................36
4.4 Power On Trouble..................................44
4.5 Charging Trouble ...................................46
4.6 LCD Trouble...........................................48
4.7 Receiver Trouble....................................51
4.8 Speaker Trouble ....................................53
4.9 MIC Trouble ...........................................55
4.10 Earphone Trouble ................................57
4.11 KEYPAD Backlight LEDS Trouble .......61
12.2 Replacement Parts ..............................99
12.3 Accessory ......................................... 116
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