LG GS107 Manuals

Manuals and User Guides for LG GS107. We have 1 LG GS107 manual available for free PDF download: Service Manual

LG GS107 Service Manual

LG GS107 Service Manual (124 pages)

Brand: LG | Category: Cell Phone | Size: 38.65 MB

Table of Contents

Table of Contents
2
1 Introduction

4
- Purpose
  4
- Regulatory Information
  4
- Abbreviations
  6
2 Performance

8
- H/W Features
  8
- Technical Specification
  10
3 Technical Brief

15
- Digital Main Processor
  15
- Power Management
  19
- FEM with Integrated Power Amplifier Module
  31
- General Description
  31
- Crystal(26 Mhz, X102)
  33
- RF Subsystem of PMB8810 (U101)
  33
- Functional Description
  34
- Memory(K5N217Ata-At80, U102 )
  37
- SIM Card Interface
  39
- LCD Interface
  40
- Battery Charger Interface
  42
- Keypad Interface
  43
- Audio Front-End
  45
- KEY BACLKLIGHT LED Interface
  51
- Vibrator Interface
  52
4 Trouble Shooting

54
- RF Component
  54
- RX Trouble
  55
- TX Trouble
  59
- Power on Trouble
  63
- Charging Trouble
  66
- Vibrator Trouble
  68
- LCD Trouble
  70
- Speaker Trouble
  74
- Earphone Trouble
  77
- Microphone Trouble
  80
- SIM Card Interface Trouble
  82
- KEY Backlight Trouble
  84
- FM Radio Trouble
  86
5 Download

88
6 Block Diagram

92
7 Circuit Diagram

94
8 BGA Pin Map

98
9 Pcb Layout

100
10 Engineering Mode

102
11 Auto Calibration

103
- Overview
  103
- Configuration of Hotkimchi
  103
- Description of Basic File
  104
- Procedure
  105
- Agc
  108
- Apc
  108
- Adc
  108
- Target Power
  108
12 Exploded View & Replacement

110
Exploded View & Replacement Part List

110
- Exploded View
  110
- Replacement Parts
  112
- Main Component
  114
- Accessory
  124

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