Инструкция к телевизору lg 42lm620t ze

1

Table of Contents

2

Safety Precautions

3

• Important Safety Notice

  3

• General Guidance

  3

• Leakage Current Hot Check

  3

• General Servicing Precautions

  4

• Electrostatically Sensitive (ES) Devices

  4

• General Soldering Guidelines

  4

Servicing Precautions

4

• IC Remove/Replacement

  5

• «Small-Signal» Discrete Transistor Removal/Replacement

  5

• Power Output, Transistor Device

  5

• Diode Removal/Replacement

  5

• Application Range

  6

• Requirement for Test

  6

6

• RGB Input (PC)

  8

• Component Video Input

  8

• HDMI Input

  9

• DTV Mode

  9

• PC Mode

  9

• Automatic Adjustment

  10

• ADC Adjustment

  10

Adjustment Instruction

10

• Lan Port Inspection

  11

• LAN Inspection Solution

  11

• Lan

  11

• Model Name & Serial Number Download

  12

• Model Name & Serial Number D/L

  12

• CI+ Key Checking Method

  12

• Wifi Mac Address Check

  12

• Manual Adjustment

  13

• Download Method

  13

• Edid Data

  13

• Manual Adjustment. Method

  14

• White Balance Adjustment

  14

• Auto Adj. Method

  14

• Equipment Connection MAP

  14

• EYE-Q Function Check

  15

• Local Dimming Function Check

  15

• Magic Motion Remote Control Test

  15

• LED White Balance Table

  15

• 3D Function Test

  16

• Wi-Fi Test

  16

• LNB Voltage and 22Khz Tone Check

  16

• Option Selection Per Country

  16

• GND and Internal Pressure Check

  17

• Audio

  17

• USB S/W Download

  17

• Screw Specification and Application Situation

  18

Screw Assembly Working Guide

18

Block Diagram

19

Exploded View

20

• 2012 LED/LCD TV Engineering Guide

  51

• EPI Interface

  53

• Topology

  53

• EPI Interface (Mini-LVDS Vs. EPI)

  54

• Comparison

  54

• HF Mini-LVDS

  54

• EPI (Embedded Clock P-To-P Interface)

  54

• Main PCB for Broadband

  56

• MTK5369 Block Diagram( LM76 )

  57

• Jack Interface

  58

• GP4 Backend Block Diagram (EPI & T-Con)

  59

• GP4 Backend Block Diagram (LVDS Tx & Local Dimming)

  61

• Interconnection

  62

• Pcbs

  62

• Cables

  62

• KEY1, KEY2 Voltage

  63

• Pin Configuration

  63

• Circuit Block Diagram

  63

• 2012Y IR + Soft Touch PCB Pinmap

  63

• 2012Y IR + Soft Touch LED Lighting Scenario

  64

• Power LED Scenario

  64

• Introductions of GP4 Sensor (Touch IC)

  65

• Manual of Touch Sensitivity

  65

• Touch Key Threshold Level

  65

• Touch EEPROM Register Change with USB Port

  66

• Introductions of 12Y RF Ass’y + Magic Remote Control

  67

• System

  68

• Remote Buttons (M3 Vs. M4)

  69

• Mute Power

  69

• M4 Block Diagram

  70

• Function List

  71

• RF Pairing / Un-Pairing Method

  72

• Introductions of 12Y WIFI Built in Ass’y

  73

• WIFI Built in Ass’y Feature(LGIT)

  74

• WIFI Built in Feature

  74

• WIFI Built in Block-Diagram(Arcadyan)

  75

• WIFI Built in Ass’y Specification

  76

• 12Y Widevine & HDCP 2.0 & NETFLX

  77

• Changed BOM

  81

• Current

  81

• Contents of LCD TV Standard Repair Process

  83

• Video Error

  85

• No Video/ Normal Audio

  85

• No Video/ no Audio

  86

• Picture Problem

  87

• Picture Broken/ Freezing

  87

• Picture Problem (DVB-S/S2)

  88

• Tuning Fail, Picture Broken/ Freezing

  88

• Color Error

  89

• Vertical/Horizontal Bar, Residual Image, Light Spot

  90

• External Device Screen Error-Color Error

  90

• Power Error

  91

• No Power

  91

• Off When On, off While Viewing, Power Auto On/Off

  92

• Audio Error

  93

• No Audio/ Normal Video

  93

• Wrecked Audio/ Discontinuation/Noise

  94

• General Function Problem

  95

• Remote Control & Local Switch Checking

  95

• Function Error

  96

• External Device Recognition Error

  96

• Circuit Noise, Mechanical Noise

  97

• Noise

  97

• Exterior Defect

  98

• Contents of LCD TV Standard Repair Process Detail Technical Manual

  99

• Video Error_No Video/Normal Audio

  100

• Check White Balance Value

  100

• Video Error_No Video/ Audio

  101

• Power Board Voltage Measuring Method

  101

• TUNER Input Signal Strength Checking Method

  102

• LCD-TV Version Checking Method

  103

• TUNER Checking Part

  105

• Adjustment Test Pattern — ADJ Key

  106

• Exchange T-Con Board

  107

• Exchange PSU(LED Driver)

  109

• Exchange the Module

  110

• Un-Repairable Cases

  110

• Standard Repair Process Detail Technical Manual

  112

• Power Error _No Power

  112

• Check Front Display LED

  112

• Check Power Input Voltage and ST-BY 5V

  113

• Checking Method When Power Is on

  114

• POWER off MODE Checking Method

  115

• Checking Method in Menu When There Is no Audio

  116

• Voltage and Speaker Checking Method When There Is no Audio

  117

• Checking Order When There Is no Audio

  117

• Remote Controller Operation Checking Method

  118

• VCOM Adjustment

  119

• Sequence of the Vcom Adjustment

  119

Table of Contents

4

Licenses

5

Open Source Software Notice

5

Safety INSTRUCTIONS

6

• Viewing 3D Imaging (Only 3D Models)

  12

INSTALLATION Procedure

14

ASSEMBLING and PREPARING

14

• Unpacking

  14

• Separate Purchase

  17

• Parts and Buttons

  18

• Lifting and Moving the TV

  19

• Setting up the TV

  20

• Attaching the Stand

  20

• Mounting on a Table

  24

• Mounting on a Wall

  26

• Tidying Cables

  28

Making Connections

29

• Antenna Connection

  29

• Satellite Dish Connection

  29

• HDMI Connection

  30

• DVI to HDMI Connection

  31

• RGB-PC Connection

  31

• Component Connection

  32

• Composite Connection

  32

• Audio Connection

  33

• Digital Optical Audio Connection

  33

• USB Connection

  33

• CI Module Connection

  34

• Headphone Connection

  34

• Euro Scart Connection

  35

Remote Control

36

Magic Remote Control Functions

38

• Registering Magic Remote Control

  39

• How to Use Magic Remote Control

  39

• Precautions to Take When Using the Magic Remote Control

  39

USING the USER Guide

40

Maintenance

41

• Cleaning Your TV

  41

• Screen, Frame, Cabinet and Stand

  41

• Power Cord

  41

Troubleshooting

41

Specifications

42

Table of Contents

2

Licenses

3

Open Source Software Notice

3

Safety Instructions

4

• Viewing 3D Imaging (Only 3D Models)

  10

Installation Procedure

12

Assembling and Preparing

12

• Unpacking

  12

• Separate Purchase

  15

• Parts and Buttons

  16

• Lifting and Moving the TV

  17

• Setting up the TV

  18

• Attaching the Stand

  18

• Mounting on a Table

  22

• Mounting on a Wall

  24

• Tidying Cables

  26

Making Connections

27

• Antenna Connection

  27

• Satellite Dish Connection

  27

• HDMI Connection

  28

• DVI to HDMI Connection

  29

• RGB-PC Connection

  29

• Component Connection

  30

• Composite Connection

  30

• Audio Connection

  31

• Digital Optical Audio Connection

  31

• USB Connection

  31

• CI Module Connection

  32

• Headphone Connection

  32

• Euro Scart Connection

  33

Remote Control

34

Magic Remote Control Functions

36

• Registering Magic Remote Control

  37

• How to Use Magic Remote Control

  37

• Precautions to Take When Using the Magic Remote Control

  37

Using the User Guide

38

Maintenance

39

• Cleaning Your TV

  39

• Screen, Frame, Cabinet and Stand

  39

• Power Cord

  39

Troubleshooting

39

Specifications

40