LG GB107 Manuals

Manuals and User Guides for LG GB107. We have 3 LG GB107 manuals available for free PDF download: Service Manual, User Manual

LG GB107 User Manual

LG GB100, GB101, GB105, GB107 User Guide

Brand: LG | Category: Cell Phone | Size: 2.73 MB

Table of Contents

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LG GB107 Service Manual

LG GB107 Service Manual (115 pages)

Brand: LG | Category: Cell Phone | Size: 14.47 MB

Table of Contents

Table of Contents
2
1 Introduction

3
- Purpose
  3
- Regulatory Information
  3
2 Performance

5
- H/W Features
  5
- S/W Features
  6
3 Technical Brief

11
- Digital Main Processor(PMB7780)
  11
- Power Management
  16
- Power Amplifier Module(SKY)
  18
- 26Mhz Clock (DCXO)
  21
- Rtc(32.768Khz Crystal)
  22
- LCD Interface
  23
- SIM Card Interface
  25
- KEYPAD Interface
  26
- Battery Charging Block Interface
  27
- RF Interface
  28
- Audio Interface
  30
- Key LED Interface
  34
- Vibrator Interface
  35
- Memory Interface
  36
- Power Block Interface
  37
- FM Radio Interface
  39
- Headphone Amplifier
  40
4 Trouble Shooting

41
- RF Trouble
  41
- TX Trouble
  47
- Power on Trouble
  51
- Circuit Diagram
  52
- SIM Card Trouble
  54
- Vibrator Trouble
  56
- Keypad Trouble
  58
- RTC Trouble
  60
- Key Backlight Trouble
  62
- LCM Backlight Trouble
  65
- LCD Trouble
  67
- Microphone Trouble
  69
- Receiver Trouble
  70
- Speaker Trouble
  72
- Headphone Trouble
  74
- Charging Trouble
  78
- FM Radio Trouble
  80
5 Download

86
- Download Setup
  86
- Download Process
  87
6 Block Diagram

91
7 Circuit Diagrma

92
8 BGA IC PIN Check

98
9 Pcb Layout

100
10 Engineering Mode

102
- Function Test
  102
- Test Procedure
  103
11 Calibration

105
- Test Equipment Setup
  105
- Calibration Steps
  105
12 Stand Alone Test

108
- Test Program Setting
  108
- TX Test
  111
- RX Test
  112
13 Exploded View& Replacement Partlist

113
- Exploded View
  113
- Replacement Part List
  115

LG GB107 User Manual

LG GB107 User Manual (2 pages)

Brand: LG | Category: Cell Phone | Size: 2.71 MB

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