LG 47LB5800 - Exchange the Module; Un-Repairable Cases

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Only for training and service purposes

LGE Internal Use Only

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Source TAB IC Defect

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Gate TAB IC Defect

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Source TAB IC Defect

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Source TAB IC Defect

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Gate TAB IC Defect

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Gate TAB IC Defect

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Gate TAB IC Defect

Appendix : Exchange the Module (2)

Un-repairable Cases

In this case please exchange the module.

Main Page

Service Manual1
Contents2
Safety Precautions3
General Guidance3
Leakage Current Cold Check(Antenna Cold Check)3
Leakage Current Hot Check3
Important Safety Notice3
Servicing Precautions4
General Servicing Precautions4
Electrostatically Sensitive (ES) Devices4
General Soldering Guidelines4
IC Remove/Replacement5
"Small-Signal" Discrete Transistor5
Power Output, Transistor Device5
Diode Removal/Replacement5
Specification6
Application Range6
Test Condition6
Test Method6
General Specification7
Supported Video Resolutions8
Component 2D Input(Y, CB/PB, CR/PR)8
HDMI Input (PC/DTV)8
Adjustment Instruction9
Application9
Final Assembly Adjustment9
LAN Port Inspection (Ping Test)10
EDID Download10
White Balance Adjustment12
Equipment Connection12
Adjustment Command (Protocol)12
Final Assembly Adjustment12
Adjustment Method12
Color Temperature13
Tool Option Setting & Inspection Per Countries14
Magic Motion Remote Controller Check14
Wi-Fi MAC Address Check14
Using RS232 Command14
HDMI ARC Function Inspection15
HDMI MHL Function Inspection15
EYE-Q Green Function Inspection15
Ship-Out Mode Check (In-Stop)15
AUDIO Output Check16
GND and HI-POT Test16
USB S/W Download16
Audio Input Condition16
Optional Adjustments17
Manual White Balance Adjustment17
Block Diagram18
Exploded View19
Contents of LCD TV Standard Repair Process42
Contents of LCD TV Standard Repair Process Detail Technical Manual43
Standard Repair Process44
No Video/ Normal Audio44
No Video/ no Audio45
Picture Broken/ Freezing46
Color Error47
Vertical/Horizontal Bar, Residual Image, Light Spot48
External Device Screen Error-Color Error48
No Power49
Off When On, off While Viewing, Power Auto On/Off50
No Audio/ Normal Video51
Wrecked Audio/ Discontinuation/Noise52
Remote Control & Local Switch Checking53
External Device Recognition Error54
Circuit Noise, Mechanical Noise55
Exterior Defect56
Check White Balance Value58
Power Board Voltage Measuring Method59
TUNER Input Signal Strength Checking Method60
LCD-TV Version Checking Method61
LCD TV Connection Diagram62
TUNER Checking Part63
Adjustment Test Pattern - ADJ Key64
Check Front Display LED65
Check Power Input Voltage and ST-BY 3.5V66
Checking Method When Power Is on67
POWER off MODE Checking Method68
Checking Method in Menu When There Is no Audio69
Voltage and Speaker Checking Method When There Is no Audio70
Remote Controller Operation Checking Method71
Sequence of the Vcom Adjustment72
Exchange T-Con Board74
Exchange PSU(LED Driver)76
Exchange the Module77
Un-Repairable Cases77

LG 47LB5800 - Exchange the Module; Un-Repairable Cases

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