Table of Contents
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1. INTRODUCTION ...............................5
1.1 Purpose .................................................. 5
1.2 Regulatory Information............................ 5
1.3 Abbreviations .......................................... 7
2. PERFORMANCE...............................9
2.1 H/W Features...........................................9
2.2 Technical Specification ..........................10
3. TECHNICAL BRIEF ........................15
3.1 Power Amplifier (SKY77318, U600).......15
3.2 Transceiver (AD6549, U601) .................17
3.3 FEM for Triband(FL600) ........................19
3.4 26 MHz Clock (VCTCXO, X600)............20
3.7 Display and Interface .............................28
3.8 Camera IC(AIT701G , U401) .................30
3.9 Keypad Switches and Scanning ............32
3.10 Microphone ..........................................34
3.11 Main Speaker.......................................34
3.12 Headset Interface.................................36
3.13 Key Back-light Illumination...................37
3.14 LCD Back-light Illumination..................38
3.15 VIBRATOR...........................................39
3.16 Bluetooth..............................................40
4. TROUBLE SHOOTING ...................41
4.1 RF Component.......................................41
4.2 RX Trouble.............................................42
4.3 TX Trouble .............................................47
4.4 Power On Trouble..................................53
4.5 Charging Trouble ...................................55
4.6 Vibrator Trouble .....................................57
4.7 LCD Trouble...........................................59
4.8 Camera Trouble .....................................62
4.9 Speaker Trouble ....................................65
4.10 SIM Card Interface Trouble..................67
4.11 Earphone Trouble ................................69
4.12 KEY backlight Trouble .........................71
4.13 Receiver Trouble..................................73
4.14 Microphone Trouble .............................75
4.15 RTC Trouble ........................................77
4.16 Slide on/off Trouble..............................79
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Table Of Contents
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5. DOWNLOAD.......................................81
5.1 Download ...............................................81
6. BLOCK DIAGRAM ..........................87
7. Circuit Diagram ..............................89
8. pcb layout .......................................99
9. ENGINEERING MODE ..................105
9.1 BB Test [MENU 1]................................106
9.2 RF Test [MENU 2]................................108
9.3 MF mode [MENU 3] .............................108
9.4 Trace option [MENU 4] ........................109
9.5 Call timer [MENU 5] .............................109
9.6 Fact. Reset [MENU 6] ..........................109
9.7 S/W version..........................................109
10. STAND ALONE TEST .................110
10.1 Introduction ........................................110
10.2 Setting Method...................................110
10.3 Means of Test ....................................111
11. AUTO CALIBRATION..................113
11.1 Overview ............................................113
11.2 Equipment List ...................................113
11.3 Test Jig Operation..............................114
11.4 Procedure ..........................................115
11.5 AGC ...................................................118
11.6 APC....................................................118
11.7 ADC ...................................................118
REPLACEMENT PART LIST ..... 119
12.1 Exploded View .................................. 119
12.2 Replacement Parts ............................121
12.3 Accessory ......................................... 137
LGE Internal Use Only
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