Table Of Contents - LG -T500 Service Manual

1. INTRODUCTION ................................................................... 3
1.1 Purpose .....................................................................................................3
1. Regulatory Information ......................................................................3
1.3 Abbreviations..........................................................................................5
2. PERFORMANCE .................................................................... 7
.1 H/W Features ...........................................................................................7
. Technical Specification ........................................................................9
3. TECHNICAL BRIEF ..............................................................14
3.1 Digital Main Processor ...................................................................... 14
3. Power Management ......................................................................... 19
3.3 FEM with integrated Power Amplifier Module
(RF7171, U101) ..................................................................................... 3
3.4 Crystal(6 MHz, X01) ...................................................................... 34
3.5 RF Subsystem of PMB8815 (U01) .............................................. 35
3.6 MEMORY(H9DAGH1GHMMMR, U301) ................................... 40
3.7 BT module ............................................................................................. 43
3.8 SIM Card Interface .............................................................................. 45
3.9 LCD Interface ........................................................................................ 46
3.10 MiniABB (Battery Charger & MUIC) Interface ....................... 49
3.11 Keypad Interface ............................................................................. 50
3.1 Audio Interface ................................................................................. 5
3.13 Camera Interface(M Fixed Focus Camera) .......................... 58
3.14 Touch Interface ................................................................................. 61
4. TROUBLE SHOOTING ........................................................63
4.1 RF Component .................................................................................... 63
4. RX Trouble ............................................................................................. 64
4.3 TX Trouble .............................................................................................. 68
4.4 Power On Trouble ............................................................................... 7
4.5 Charging Trouble ................................................................................ 75
4.6 Vibrator Trouble .................................................................................. 77
4.7 LCD Trouble .......................................................................................... 80
4.8 Camera Trouble ................................................................................... 84
4.9 Speaker / Receiver Trouble ............................................................. 88
4.10 Earphone Trouble ............................................................................ 91
LGE Internal Use Only

Table Of Contents

4.11 Microphone Trouble ....................................................................... 94
4.1 SIM Card Interface Trouble ........................................................... 97
4.13 Micro SD (uSD) Trouble ...............................................................100
4.14 Bluetooth Trouble ..........................................................................10
4.15 FM Radio Trouble ...........................................................................104
4.16 Touch trouble ..................................................................................107
5. DOWNLOAD .....................................................................110
6. BLOCK DIAGRAM .............................................................123
7. CIRCUIT DIAGRAM ..........................................................124
8. BGA PIN MAP ..................................................................132
9. PCB LAYOUT .....................................................................134
10. ENGINEERING MODE ....................................................140
11. STAND ALONE TEST ......................................................141
11.1 Introduction .....................................................................................141
11. Setting Method ..............................................................................141
11.3 Tx Test .................................................................................................144
11.4 Rx Test .................................................................................................145
12.AUTO CALIBRATION .......................................................146
1.1 Overview ...........................................................................................146
1. Tachyon Directory ..........................................................................146
1.3 Test Equipment Setup ..................................................................147
1.4 Procedure ..........................................................................................147
1.5 AGC ......................................................................................................154
1.6 APC ......................................................................................................154
1.7 ADC ......................................................................................................154
1.8 Target Power ....................................................................................154
13. EXPLODED VIEW & REPLACEMENT PART LIST ...........155
13.1 EXPLODED VIEW .............................................................................155
13. Replacement Parts ........................................................................156
13.3 Accessory ..........................................................................................171
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