LG L602i Manuals

Manuals and User Guides for LG L602i. We have 1 LG L602i manual available for free PDF download: Service Manual

LG L602i Service Manual

LG L602i Service Manual (192 pages)

Brand: LG | Category: Cell Phone | Size: 5.87 MB

Table of Contents

Table of Contents
2
1 Introduction

4
- Purpose
  4
- Regulatory Information
  4
2 Performance

6
- System Overview
  6
- Usable Environment
  7
- Radio Performance
  7
- Current Consumption
  13
- Antenna BAR
  13
- Battery BAR
  14
- Sound Pressure Level
  15
- Charging
  15
3 Technical Brief

16
- General Description
  16
- GSM Mode
  18
- Gsm Transmitter
  20
- WCDMA Mode
  22
- LO Phase-Locked Loop
  25
- Off-Chip RF Components
  27
- Digital Baseband(DBB/MSM6250A)
  33
- Hardware Architecture
  34
- Subsystem(Msm6250A)
  36
  - Wideband Codec
    37
  - Vocoder Subsystem
    37
- External Memory Interface
  39
- H/W Sub System
  40
  - Msm Sub System
    42
  - Key Pad
    50
  - Camera Interface
    51
  - Vga Camera
    52
  - Lcd Module
    58
  - Audio and Sound
    60
  - Ear Jack
    62
- Main Features
  64
4 Trouble Shooting

69
- RF Component
  69
- Signal Path
  71
- Checking VCXO Block
  73
- Checking Ant. SW Module Block
  76
- Checking WCDMA Block
  78
- Checking GSM Block
  86
  - Checking Vco Block
    87
  - Checking Pam Block
    91
  - Checking Rf Rx Block
    92
- Power on Trouble
  93
- USB Trouble
  95
- SIM Detect Trouble
  96
- Key Sense Trouble
  97
- VGA Camera Trouble
  98
- M Camera Trouble
  99
- Main LCD Trouble
  100
- Folder ON/OFF Trouble
  102
- Camera Direction Change Trouble
  103
- Audio Trouble Shooting
  104
- Charger Trouble Shooting
  116
5 Download

118
- Introduction
  118
- Downloading Procedure
  118
  - Function Description
    120
  - Download Process
    123
- Troubleshooting Download Errors
  127
- Caution
  132
6 Block Diagram

133
- GSM & WCDMA RF Block
  133
- Interface Diagram
  135
7 Circuit Diagram

140
- Circuit Diagram
  142
8 Pcb Layout

149
9 Calibration Program

156
- Configuration of HOT KIMCHI
  156
- How to Use HOT KIMCHI
  159
10 Exploded View & Replacement Part List

162
- Exploded View
  162
- Replacement Parts
  164
- Mechanic Component
  164
- Main Component
  169
- Accessory
  190

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