LG 49UH6500 - CST Solution PCB Views (Continued); CST Solution PCB Layout (43 UH65;43 UH75)

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3. CST Solution

43UH65,43UH75

Only for training and service purposes

LGE Internal Use Only

Main Page

Service Manual1
Contents2
Safety Precautions3
General Guidance3
Leakage Current Cold/Hot Check3
Leakage Current Hot Check Circuit3
Important Safety Notice3
General Servicing Precautions4
Electrostatically Sensitive (ES) Devices4
IC Remove/Replacement5
"Small-Signal" Discrete Transistor Removal/Replacement5
Diode Removal/Replacement5
Circuit Board Foil Repair5
Application Range6
Test Condition6
Test Method6
General Specification6
Module Specification7
External Input Format8
2D Mode8
Component Input8
HDMI Input8
3D Mode10
HDMI Input 1.4B10
Hdmi 1.4/2.011
HDMI-PC Input11
RF Input12
USB, DLNA Input12
Miracast, Widi13
Adjustment Instruction14
Specification.14
Adjustment Items14
Automatic Adjustment14
Final Assembly Adjustment14
MAC Address, ESN, Widevine, HDCP2.0 Key D/L15
LAN Inspection15
Model Name & Serial Number Download16
WIFI Mac Address Check16
LAN PORT Inspection16
Using RS232 Command16
Manual Adjustment17
EDID/DDC Download17
Camera Port Inspection21
V-COM Adjust21
Equipment Connection MAP21
Adj. Command21
White Balance Adjustment22
Adjustment Method22
W/B Adj. Objective and How-It-Works22
Auto WB Calibration22
Local Dimming Function Check23
Reference23
EDGE and IOL LED White Balance Table23
Manual Adj. Method23
Color Temperature23
Magic Motion Remocon Test24
3D Function Test24
HDMI ARC Function Inspection24
EYE-Q Green Function Inspection24
GND and Internal Pressure Check25
AUDIO Output Check25
USB S/W Download25
Method25
M16 Block Diagram26
M16 I2C Map27
Power Block Diagram28
Tuner Diagram29
Chip Clock Source and Frequency30
Exploded View31
Assembly/Disassembly32
Assemble Latch and Screw32
Disassemble Screw33
Disassemble Method34
System Configuration35
Schematic Diagram35
Place at Jack Side37
Panel Power42
Power DET43
Renesas MICOM52
EDID External EEPROM and DDC Buffer for HDMI355
Wifi/Bt Connector58
Ethernet Block63
NTP AMP Front65
Wafer AMP 4P Front66
HP out67
Earphone AMP68
RS-232C Control Interface72
T-Con Power Block75
Option Name: EPI76
Emmc I/F77
Trouble Shooting Guide80
Contents of Standard Repair Process81
Video Error82
No Video/ Normal Audio82
No Video/ no Audio83
Picture Broken/ Freezing84
Color Error85
Vertical/Horizontal Bar, Residual Image, Light Spot86
External Device Screen Error-Color Error86
Power Error87
No Power87
Off When On, off While Viewing, Power Auto On/Off88
Audio Error89
No Audio/ Normal Video89
Wrecked Audio/ Discontinuation/Noise90
Function Error91
Remote Control(R/C) Operating Error91
MR15R Operating Checking92
Mr15R(Magic Remocon) Operating Error92
Wifi Operating Checking93
Wifi Operating Error93
Camera Operating Checking94
Camera Operating Error94
External Device Recognition Error95
Noise96
Circuit Noise, Mechanical Noise96
Exterior Defect97
Contents of Standard Repair Process Detail Technical Manual98
Standard Repair Process Detail Technical Manual100
Video Error no Video/Normal Audio100
Video Error, Video Lag/Stop101
Video Error Color Error105
Exchange Main Board109
Exchange Power Board (PSU)111
Exchange the Module112
Power Error no Power114
Check Front Power Indicator114
Check Power Input Voltage and ST-BY 3.5V115
Power off Mode Checking Method116
Checking Method in Menu When There Is no Audio117
Audio Error, no Audio/Normal Video118
Voltage and Speaker Checking Method When There Is no Audio118
Remote Control Operation Checking Method119
Motion Remote, Wi-Fi Operation Checking Method120
PCB Layout123
Changed Feature124
CST Solution125
50/58Uh63125
43Uh65,43Uh75126
Power127
12Pin Map127
18Pin Map (LPB) + Local Dimming127
Hdmi2.0A128
Infoframe128
Metadata Data128

LG 49UH6500 - CST Solution PCB Views (Continued); CST Solution PCB Layout (43 UH65;43 UH75)

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