LG MG150 Manuals

Manuals and User Guides for LG MG150. We have 1 LG MG150 manual available for free PDF download: Service Manual

LG MG150 Service Manual

LG MG150 Service Manual (127 pages)

Brand: LG | Category: Cell Phone | Size: 4 MB

Table of Contents

Table of Contents
4
1 Introduction

6
- Purpose
  6
- Regulatory Information
  6
2 General Performance

10
- Product Name
  10
- Supporting Standard
  10
- Main Parts
  10
- H/W Features
  11
- S/W Features
  13
3 H/W Circuit Description

15
- General Description
  15
- Receiver Part
  15
- Transmitter Part
  18
- Power Amplifier
  20
- Digital Baseband (DBB) Processor
  22
  - Block Description
    23
  - Sim Interface
    25
  - Uart Interface
    25
- Analog Baseband (ABB) Processor
  27
- Key Backlight
  39
4 Trouble Shooting

46
- Main Components Placement
  46
- FPCB Components Placement
  47
- Baseband Components
  47
- Main Components (Description)
  48
- Power on Trouble
  49
- Charging Trouble
  50
- LCD Display Trouble
  52
- Receiver Trouble
  54
- Speaker Trouble
  57
- Microphone Trouble
  58
- Vibrator Trouble
  60
- Keypad Backlight Trouble
  61
- FOLDER Open/Close Trouble
  63
- SIM Detect Trouble
  65
- Earphone Trouble
  67
  - Rf Part Troubleshooting
    72
  - Trouble Shooting Transmitter Part
    80
5 Download

86
- Download Setup
  86
- Download Procedure
  87
6 Service and Calibration

94
- Service S/W
  94
- Calibration
  97
  - Equipment Setup
    98
  - Calibration Steps
    98
  - Test Jig Operation
    100
7 Block Diagram

101
8 Circuit Diagram

104
9 Pcb Layout

108
10 Engineering Mode

110
11 Standalone Test

111
- Setting Method
  111
- Replacement Part List
  112
- Exploded View
  112
- Replacement Parts
  114
  - Mechanic Component
    114
  - Main Component
    117
- Accessory
  127

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