Table Of Contents - LG 65UT640S0UA Service Manual

Table of Contents

Contents2
Safety Precautions3
Important Safety Notice3
General Guidance3
Leakage Current Hot Check3
Servicing Precautions4
General Servicing Precautions4
Electrostatically Sensitive (Es) Devices4
General Soldering Guidelines4
Ic Remove/Replacement5
"Small-Signal" Discrete Transistor5
Circuit Board Foil Repair5
Diode Removal/Replacement5
Specification6
Application Range6
Test Condition6
General Specification6
Feature And Function7
External Input Support Format8
Hdmi Input (Pc/Dtv)8
Component Input10
Software Update11
User Mode11
Expert Mode11
Block Diagram13
Exploded View14
Exploded View (Module)15
Disassembly Guide (Set)16
Back Cover Work Order16
Case Top17
Rear Sliver Screw 7Ea17
S-Pcb Cover Shield L,R Disassemble17
Panel Disassemble18
Guide Panel Disassemble18
Optical Sheet Disassemble18
Dps, Led Fixer Disassemble & Reflector Sheet Disassemble18
Led Array Disassemble19
Led Array Assemble19
C/Bottom Guide Line19
Required Led Array Quantity19
Trouble Shooting Guide20
Main Pcb21
Interconnection22
Contents Of Standard Repair Process23
Video Error24
No Video/ Normal Audio24
No Video/ No Audio25
Picture Broken/ Freezing26
Color Error27
Vertical/Horizontal Bar, Residual Image, Light Spot28
External Device Screen Error-Color Error28
Power Error29
No Power29
Off When On, Off While Viewing, Power Auto On/Off30
Audio Error31
No Audio/ Normal Video31
Wrecked Audio/ Discontinuation/Noise32
Function Error33
Remote Control & Local Switch Checking33
Remote Control(R/C) Operating Error33
External Device Recognition Error34
Noise35
Circuit Noise, Mechanical Noise35
Exterior Defect36
Commercial Function Error37
Mpi Ir Out Error37
Contents Of Standard Repair Process Detail Technical Manual38
Check Lcd Back Light With Naked Eye40
Check White Balance Value41
Tuner Input Signal Strength Checking Method42
Version Checking Method43
Checking Method For Remote Control For Adjustment43
Tuner Checking Part44
Connection Diagram45
Video Error_Color Error46
Check Link Cable(Vx1/Epi) Reconnection Condition46
Adjustment Test Pattern - Adj Key47
Exchange Main Board48
Solder Defect, Cnt Broken48
Abnormal Power Section49
Solder Defect, Short/Crack49
Exchange Power Board (Psu)50
Un-Repairable Cases52
Power Error _No Power53
Check Front Power Indicator53
Check Power Input Voltage And St-By 3.5V54
Power Off Mode Checking Method55
Checking Method In Menu When There Is No Audio56
Voltage And Speaker Checking Method When There Is No Audio57
Remote Control Operation Checking Method58
Ir & Eye Sensor58
Checking Order To Check Remote Control58
Commercial Feature59
Ir Out Error59