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Table Of Contents - LG 42LB65 Series Service Manual

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Owner's manual (364 pages)

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Owner's manual (254 pages)

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Owner's manual (364 pages)

Table Of Contents

Table of Contents

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Table of Contents

Table Of Contents2

Safety Precautions3

General Guidance3

Leakage Current Hot Check3

Leakage Current Hot Check Circuit3

Servicing Precautions4

General Servicing Precautions4

Electrostatically Sensitive (Es) Devices4

General Soldering Guidelines4

Ic Remove/Replacement5

"Small-Signal" Discrete Transistor Removal/Replacement5

Power Output, Transistor Device Removal/Replacement5

Diode Removal/Replacement5

Application Range6

Requirement For Test6

Component Video Input8

Hdmi Input(1.3)11

Rf Input(3D Supported Mode Manually)11

Rf Input (3D Supported Mode Automatically)11

Usb, Dlna (Movie) Input (3D Supported Mode Manually)11

Hdmi-Pc Input (3D Supported Mode Manually)12

Component Input(3D) (3D Supported Mode Manually)12

Miracast, Widi (3D Supported Mode Manually)12

3D Input Mode12

Adjustment Instruction13

Automatic Adjustment13

Lan Inspection13

Lan Port Inspection(Ping Test)14

Equipment Setting14

Ci+ Key Checking Method14

Wifi Mac Address Check15

Manual Adjustment15

White Balance Adjustment16

Equipment Connection Map16

Adj. Command (Protocol)16

Local Dimming Function Check17

Led White Balance Table17

Color Temperature17

Magic Motion Remote Control Test18

3D Function Test(Except Non-3D Product)18

Lnb Voltage And 22Khz Tone Check19

Option Selection Per Country19

Tool Option Selection19

Gnd And Internal Pressure Check19

Usb S/W Download(Service Only)20

Block Diagram21

Exploded View22

System Configuration23

Place At Jack Side25

Renesas Micom31

Local Dimming49

V14-Lgd Panel50

Rs-232C Control Interface53

Contents Of Lcd Tv Standard Repair Process57

Standard Repair Process58

No Video/ Normal Audio58

No Video/ No Audio59

Picture Problem60

Picture Broken/ Freezing60

Vertical / Horizontal Bar, Residual Image, Light Spot, External Device Color Error62

Off When On, Off While Viewing, Power Auto On/Off64

No Audio/ Normal Video65

Wrecked Audio/ Discontinuation/Noise66

General Function Problem67

Remote Control & Local Switch Checking67

Function Error68

External Device Recognition Error68

Circuit Noise, Mechanical Noise69

Exterior Defect70

Contents Of Lcd Tv Standard Repair Process Detail Technical Manual71

Standard Repair Process Detail Technical Manual73

Check Lcd Back Light With Naked Eye73

Led Driver B+ 24V Measuring Method74

Check White Balance Value75

Power Board Voltage Measuring Method76

Tuner Input Signal Strength Checking Method77

Lcd-Tv Version Checking Method78

Lcd Tv Connection Diagram79

Check Link Cable (Epi) Reconnection Condition80

Adjustment Test Pattern - Adj Key81

Exchange Epi Cable Or Main B/D82

Exchange Power Board84

Exchange The Module85

Check Front Display Led87

Check Power Input Voltage And St-By 3.5V88

Checking Method When Power Is On89

Power Off Mode Checking Method90

Checking Method In Menu When There Is No Audio91

Voltage And Speaker Checking Method When There Is No Audio92

Remote Controller Operation Checking Method93

V-Com Checking And Adjust Method94

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42lb650v