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Table Of Contents - LG 32LN5400 Service Manual

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User manual (97 pages)

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Owner's manual (85 pages)

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Owner's manual (42 pages)

Table Of Contents

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Table of Contents

Service Manual1

Safety Precautions3

Important Safety Notice3

General Guidance3

Leakage Current Hot Check Circuit3

Servicing Precautions4

Ic Remove/Replacement5

"Small-Signal" Discrete Transistor Removal/Replacement5

Power Output, Transistor Device Removal/Replacement5

Diode Removal/Replacement5

Application Range6

Test Condition6

General Specification6

External Input Support Format8

Component Input(Y, Cb/Pb, Cr/Pr)8

Hdmi Input (Pc/Dtv)9

Adjustment Instruction10

Main Pcb Check Process10

Total Assembly Line Process12

Adjustment Preparation12

Dpm Operation Confirmation14

Ddc Edid Write (Hdmi 256Byte)14

Local Dimming Function Check17

Outgoing Condition Configuration17

Gnd & Hi-Pot Test17

Gnd & Hi-Pot Auto-Check17

3D Function Test (Only 3D Model)18

Block Diagram19

Exploded View20

Tp For Non-Eu Models(Except Eu And China)21

L13 Power Block22

Ir/Led And Control23

Lvds (Non Eu)27

Global Tuner Block Except Eu And China30

Audio Amp(Sta380Bwef)34

Mstart Debug_4Pin35

Contents Of Lcd Tv Standard Repair Process40

Contents Of Lcd Tv Standard Repair Process Detail Technical Manual41

Standard Repair Process42

No Video/ Normal Audio42

No Video/ No Audio43

Picture Broken/ Freezing44

Tuning Fail, Picture Broken/ Freezing45

Vertical / Horizontal Bar, Residual Image, Light Spot, External Device Color Error47

Off When On, Off While Viewing, Power Auto On/Off49

No Audio/ Normal Video50

Wrecked Audio/Discontinuation/Noise51

Remote Control & Local Switch Checking52

External Device Recognition Error53

Circuit Noise, Mechanical Noise54

Exterior Defect55

Check Back Light On With Naked Eye57

Inverter B+ 24V Measuring Method58

Check White Balance Value59

Video Error_No Video/ Audio60

Power Board Voltage Measuring Method60

Video Error_Video Error, Video Lag/Stop61

Tuner Input Signal Strength Checking Method61

Lcd-Tv Version Checking Method62

Lcd Tv Connection Diagram (1)63

Check And Replace Link Cable(Lvds) And Contact Condition64

Adjustment Test Pattern - Adj Key65

Exchange T-Con Board66

Exchange Psu(Led Driver)68

Exchange The Module69

Standard Repair Process Detail Technical Manual71

Power Error _No Power71

Check Front Display Led71

Check Power Input Voltage And St-By 3.5V72

Checking Method When Power Is On73

Power Error_Off When On, Off Whiling Viewing74

Power Off Mode Checking Method74

Audio Error_No Audio/Normal Video75

Checking Method In Menu When There Is No Audio75

Voltage And Speaker Checking Method When There Is No Audio76

Remote Controller Operation Checking Method77

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