LG KF510D Manuals

Manuals and User Guides for LG KF510D. We have 1 LG KF510D manual available for free PDF download: Service Manual

LG KF510D Service Manual

LG KF510D Service Manual (176 pages)

Brand: LG | Category: Cell Phone | Size: 10.74 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

18
- KF510 Functional Block Diagram
  18
- Baseband Processor (BBP) Introduction
  19
- Power Management IC
  29
- Power ON/OFF
  35
- SIM & Usd Interface
  37
- Memory
  39
- LCD Display
  40
- Keypad Switching & Scanning
  42
- Keypad Back-Light Illumination
  44
- LCD Back-Light Illumination
  45
- Alc
  47
- Battery Current Consumption Monitor
  48
- JTAG & ETM Interface Connector
  49
- Audio
  50
- Multi Port Switch
  52
- Charging Circuit
  53
- FM Radio & BLUETOOTH
  54
- Touch PAD
  57
- 18Pin Multi Media Interface Connector
  59
- General Description
  61
- Receiver Part
  64
- Transmitter Part
  65
- RF Synthesizer
  66
- Vctcxo
  66
- Front End Module Control
  67
- Power Amplifier Module
  68
- Mode Selection
  69
- PAM Schematic
  69
4 PCB Layout

70
- Main & Sub PCB Component Placement
  70
5 Trouble Shooting

74
- Trouble Shooting Test Setup
  74
- Power on Trouble
  75
- Charging Trouble
  79
- LCD Display Trouble
  82
- Camera Trouble
  84
- Receiver & Speaker Trouble
  86
- Microphone Trouble
  89
- Vibrator Trouble
  91
- Keypad Back Light Trouble
  93
- SIM & Usd Trouble
  95
- Touch Pad Trouble
  98
- Trouble Shooting of Receiver Part
  100
- Checking Vctcxo Circuit
  101
- Trouble Shooting of Transmitter Part
  106
6 Download & S/W Upgrade

114
- S/W Download Setup
  114
- Download Program User Guide
  115
7 Block Diagram

120
8 Circuit Diagram

122
9 Bgm Pin Map

130
10 Pcb Layout

132
11 RF Calibration

142
- Test Equipment Setup
  142
- Calibration Step
  142
12 Stand-Alone Test

147
- Test Program Setting
  147
- Tx Test
  149
- Rx Test
  150
13 Engineering Mode

151
14 Exploded View & Replacement Part List

152
- Exploded View
  152
- Replacement Parts
  154
- Main Component
  157
- Accessory
  174

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