LG GT810h Manuals

Manuals and User Guides for LG GT810h. We have 1 LG GT810h manual available for free PDF download: Service Manual

LG GT810h Service Manual

LG GT810h Service Manual (226 pages)

Brand: LG | Category: Cell Phone | Size: 10.45 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
  8
- Current Consumption
  12
- Rssi Bar
  13
- Battery BAR
  13
3 Technical Brief

14
- General Description
  14
- Gsm Mode
  16
- Umts Mode
  19
- Gps Mode
  22
- LO GENERATION and DISTRIBUTION CIRCUIT
  23
- Off-Chip Rf Components
  24
- Digital Baseband(DBB/MSM7201A)
  29
- Hardware Architecture
  31
- Subsystem(Msm7201A)
  33
- Power Block
  36
- External Memory Interface
  41
- H/W Sub System
  43
- Audio and Sound
  52
- Camera Interface
  58
- Proximity Sensor
  64
- Luminance Sensor
  65
- Motion Sensor
  66
- Main Features
  67
- Main Component
  68
4 Trouble Shooting

72
- RF Component
  72
- Signal Path
  74
- Checking TCXO Block
  78
- Checking Front End Module(Fem)Block81
  80
- Checking WCDMA Block
  83
  - Checking Rf Tx Level
    85
  - Checking Pam Block
    88
- Checking GSM Block
  95
- Checking Rf Rx Block
  99
- Power on Troubleshooting
  102
- Charger Troubleshooting
  104
- USB Trouble
  107
- Audio Trouble
  110
- Audio Subsystem
  114
- Camera Trouble
  125
- VGA Camera Trouble
  128
- Main LCD Trouble
  130
- SIM Detect Troubleshooting
  133
- Keypad Backlight Troubleshooting
  135
- Linear Motor
  137
- Proximity Sensor On/Off Trouble
  139
- Luminance Sensor On/Off Trouble
  141
- Motion Sensor On/Off Trouble
  143
5 Download

145
- Introduction
  145
- Downloading Procedure
  145
- Connecting to Pc
  147
6 Block Diagram

157
7 Circuit Diagram

168
8 Bga IC Pin Check

176
9 Pcb Layout

180
10 Calibration & Rf Auto Test (Hot Kimchi)

184
- Usage of Hot-Kimchi
  184
11 Test Mode

187
12 Exploded View & Replacement Part List

194
- Exploded View
  194
- Replacement Parts
  196
- Mechanic Component
  196
- Main Component
  200
- Accessory
  224

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