LG ME970 Manuals

Manuals and User Guides for LG ME970. We have 1 LG ME970 manual available for free PDF download: Service Manual

LG ME970 Service Manual

LG ME970 Service Manual (160 pages)

LG Cell Phone Service manual

Brand: LG | Category: Cell Phone | Size: 5.9 MB

Table of Contents

Table of Contents
4
1 Introduction

6
- Purpose
  6
- Regulatory Information
  6
- Abbreviation
  8
2 Performance

10
- H/W Features
  10
- Technical Specification
  11
3 Technical Brief

16
- KE970 Component Block Diagram
  16
- Baseband Processor (BBP) Introduction
  17
- Block Description
  18
- Power Management IC
  29
- Power ON/OFF
  34
- SIM Interface
  36
- Memory
  37
- LCD Display
  38
- Keypad Switching & Scanning
  39
- Keypad Back-Light Illumination
  41
- LCD Back Light Illumination
  42
- Battery Current Consumption Monitor
  44
- JTAG & ETM Interface Connector
  44
- Audio
  45
- Multi Port Switch
  47
- USB Charging Circuit
  49
- Bluetooth
  50
- General Features
  51
- Micro SD External Memory Card Slot
  54
- 18Pin Multi Media Interface Connector
  56
- General Description
  58
- Receiver Part
  60
- Transmitter Part
  61
- RF Synthesizer
  62
- Tcxo
  62
- Front End Module Control
  63
- Power Amplifier Module
  63
4 PCB Layout

64
- Main & Sub PCB Component Placement
  64
5 Trouble Shooting

71
- Trouble Shooting Test Setup
  71
- Power on Trouble
  71
- Charging Trouble
  75
- LCD Display Trouble
  77
- Camera Trouble
  79
- Receiver & Speaker Trouble
  81
- Microphone Trouble
  83
- Vibrator Trouble
  85
- Keypad Back Light Trouble
  87
- Micro SD and SIM Card Trouble
  89
- Rf Part Troubleshooting
  92
6 Download & S/W Upgrade

107
- S/W Download Setup
  107
- Download Program User Guide
  108
7 Circuit Diagram

116
8 Pcb Layout

122
9 RF Calibration

128
- Test Equipment Setup
  128
- Calibration Steps
  128
10 Stand Along

134
- Test Program Setting
  134
- Tx Test
  136
- Rx Test
  137
11 Engineering Mode

138
12 Exploded View & Replacement Part List

140
- Exploded View
  140
- Replacement Parts
  142
  - Mechanic Component
    142
  - Replacement Parts
    145
- Accessory
  158

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