LG LM-X120HM Manuals

LG LM-X120HM Manuals

Manuals and User Guides for LG LM-X120HM. We have 1 LG LM-X120HM manual available for free PDF download: Service Manual

LG LM-X120HM Service Manual

LG LM-X120HM Service Manual (140 pages)

Brand: LG | Category: Cell Phone | Size: 9.56 MB

Table of Contents

Table of Contents
2
1 Introduction

3
- Purpose
  3
- Regulatory Information
  3
2 Performance

4
- Band Specification
  4
- HW Features
  5
- RSSI Display
  7
- Current Consumption
  7
- Battery Bar
  8
- SW Specification
  9
3 Trouble Shooting

17
- Checking XO Block
  17
- Checking Transceiver DC Power Supply Circuit Block
  18
- Checking DC-DC Block
  19
- ASM Block
  20
- Gsm, Wcdma, Lte Part
  21
  - Gsm Rf Part
    21
  - Wcdma Part
    33
  - Lte Part
    64
- Power
  65
- Charger
  66
  - Audio Receiver
    67
  - Audio Speaker
    68
  - Audio Main MIC
    69
  - Audio Sub MIC
    70
  - Audio Ear MIC Jack
    71
  - FM Radio
    72
- Checking LCD Block
  73
- Checking Touch Block
  75
- Checking Proximity Block
  78
- Checking Main Camera Block
  79
- Checking Front Camera Block
  80
- Checking Motor Block
  81
- Checking BT/WIFI/GPS Block
  82

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