LG KP260, Руководство по обслуживанию, Страница: 2 / 149

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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 (KP265c,d) .......10
3. TECHNICAL BRIEF ........................15
3.1 Power Amplifier module
(SKY77318, U501).................................15
3.2 FEM(LMSP43QA-538, FL500)...............17
3.3 Transceiver (AD6548, U502) .................18
3.4 26 MHz Clock (Crystal, X500)................20
3.5 BT Module with integrated FM tuner
(BC5-FM, U500).....................................21
3.6 Baseband Processor (AD6726, U103)...22
3.7 Display and Interface .............................28
3.8 Camera Interface(AIT716 , U400)..........30
3.9 Keypad Switches and Scanning ............33
3.10 Microphone ..........................................34
3.11 Main Speaker.......................................35
3.12 Headset Interface.................................36
3.13 Key Back-light Illumination...................37
3.14 LCD Back-light Illumination..................38
3.15 VIBRATOR...........................................38
3.16 Battery Charging ..................................39
4. TROUBLE SHOOTING ...................40
4.1 RF Component.......................................40
4.2 RX Trouble.............................................41
4.3 TX Trouble .............................................46
4.4 Blu FM Radio ............................52
4.5 Power On Trouble..................................55
4.6 Charging Trouble ...................................57
4.7 Vibrator Trouble .....................................60
4.8 LCD Trouble...........................................62
4.9 Camera Trouble .....................................65
4.10 Speaker Trouble ..................................68
4.11 SIM Card Interface Trouble..................70
4.12 Earphone Trouble ................................72
4.13 KEY backlight Trouble .........................74
4.14 Receiver Trouble..................................76
4.15 Microphone Trouble .............................78
4.16 RTC Trouble ........................................80
4.17 Slide open/close Trouble .....................82
4.18 Micro SD Trouble .................................84
5. DOWNLOAD.......................................86
5.1 Download ...............................................86
6. BLOCK DIAGRAM ..........................92
7. CIRCUIT DIAGRAM ........................93
8. BGA IC Pin Check ........................101
9. PCB LAYOUT ................................105
10. ENGINEERING MODE ................111
10.1 MF Mode [MENU 1] ...........................112
10.2 ELT Mode [MENU 2]..........................113
10.3 Version [MENU 3] ..............................113
10.4 Factory Reset [MENU 4] ....................113
10.5 Eng Mode [MENU 5] ..........................113
10.6 Network Info [MENU 6] ......................115
11. STAND ALONE TEST .................116
11.1 Introduction ........................................116
11.2 Setting Method...................................116
11.3 Means of Test ....................................117
12. AUTO CALIBRATION..................119
12.1 Overview ............................................119
12.2 Equipment List ...................................119
12.3 Test Jig Operation..............................120
12.4 Procedure ..........................................121
12.5 AGC ...................................................123
12.6 APC....................................................123
12.7 ADC ...................................................123
13. EXPLODED VIEW &
REPLACEMENT PART LIST ......125
13.1 Exploded View ...................................125
13.2 Replacement Parts ............................127
13.3 Accessory ..........................................148
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