LG MG180C Manuals

Manuals and User Guides for LG MG180C. We have 1 LG MG180C manual available for free PDF download: Service Manual

LG MG180C Service Manual

LG MG180C Service Manual (120 pages)

Brand: LG | Category: Cell Phone | Size: 2 MB

Table of Contents

Table of Contents
4
1 Introduction

6
- Purpose
  6
- Regulatory Information
  6
- Abbreviations
  8
2 General Performance

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

15
- RF Transceiver General Description
  15
- Receiver Part
  15
- Transmitter Part
  18
  - Power Amplifier
    19
  - Mhz Clock
    19
  - Power Supplies and Control Signals
    20
- Digital Baseband (DBB) Processor
  21
  - Block Description
    22
  - Sim Interface
    24
  - Uart Interface
    24
- Analog Baseband (ABB) Processor
  26
- Key Backlight
  38
4 Trouble Shooting

44
- Main Components Placement
  44
- FPCB Components Placement
  45
- Baseband Components
  45
- Main Components (Description)
  46
- Power on Trouble
  47
- Charging Trouble
  48
- LCD Display Trouble
  50
- Receiver Trouble
  52
- Microphone Trouble
  56
- Vibrator Trouble
  59
- Keypad Backlight Trouble
  61
- SIM Detect Trouble
  63
- Earphone Trouble
  65
- RF Rx Pass Trouble Shooting
  69
- RF Tx Pass Trouble Shooting
  76
5 Download

84
- Download Setup
  84
- Download Procedure
  85
6 Service and Calibration

92
- Service S/W
  92
7 Circuit Diagram

94
8 Pcb Layout

99
9 Engineering Mode

102
10 Standalone Test

103
- Setting Method
  103
11 Exploded View & Replacement Part List

104
- Exploded View
  104
- Replacement Parts
  106
- Mechanic Component
  106
- Main Component
  108
- Accessory
  118

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