LG 49UB850T - D14 Block Diagram (External)

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Data Path Diagram

Only for training and service purposes

LGE Internal Use Only

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Contents2
Safety Precautions3
Leakage Current Cold Check (Antenna Cold Check)3
Leakage Current Hot Check3
Servicing Precautions4
IC Remove/Replacement5
"Small-Signal" Discrete Transistor Removal/Replacement5
Diode Removal/Replacement5
Circuit Board Foil Repair5
Specification6
Application Range6
Test Condition6
Test Method6
General Specification7
External Input Support Format8
Hdmi : Edid Data9
3D Mode-DTV/HDMI/USB11
RF Input (3D Supported Mode Manually)11
HDMI Input11
RF Input (3D Supported Mode Automatically)11
HDMI Input 1.4B (3D Supported Mode Automatically)12
HDMI-PC 3D Input (3D Supported Mode Manually)13
Component 3D Input (3D Supported Mode Manually)14
USB, DLNA – Movie (3D) (3D Supported Mode Manually)15
USB, DLNA -Photo (3D) (3D Supported Mode Manually)15
USB, DLNA (3D) (3D Supported Mode Automatically)15
Miracast, Widi (3D Supported Mode Manually)15
Adjustment Instruction16
Adjustment Items16
Automatic Adjustment16
ADC Adjustment16
LAN Inspection17
MAC Address, ESN, Widevine, HDCP2.0 Key D/L17
Model Name & Serial Number Download18
Wifi Mac Address Check18
Manual Adjustment19
EDID/DDC (Display Data Channel) Download19
Camera Port Inspection (for UB98, UC9)20
V-COM Adjust21
Adjustment White Balance21
Equipment Connection MAP21
Adj. Command (Protocol)21
Adjustment Method (WB)22
Reference (White Balance Adj. Coordinate and Color Temperature)22
EDGE & IOL LED White Balance Table22
Local Dimming Function Check23
Magic Motion Remocon Test23
3D Function Test23
GND and Internal Pressure Check24
AUDIO Output Check24
Option Selection Per Country24
HDMI ARC Function Inspection24
USB S/W Download25
Exploded View26
System Configuration Diagram27
H13 D Chip27
Main Power28
Main Audio/Video29
Main DDR30
Pcmcia31
Power32
Micom35
Hdmi36
Jack High/MID37
Ir/Key39
USB Jack40
Scart Gender41
Ethernet Block Diagram42
Lan_Vertical42
SCART Audio Amp44
Headphone Amp45
B-CAS (Smart Card) Interface46
Tuner47
Tu_Symbol_Eu48
RS-232C Control Interface49
DVB-S2 LNB Part Allegro50
Emmc51
D14_Ddr53
U_LVDS Input55
Output Wafer56
Ursa7_Ddr57
U_Power59
Front Speaker61
Overview for '14 Ultra HD Model (Hardware)64
14 ULTRA HD New Feature 1. HDMI65
New Feature 2. Audio66
Sub Assy (Joy Stick Button, Color Sensor)67
Sub Assy (Wifi)68
Main PCB69
'14Y ULTRA HD Block Diagram70
Main Board Assy Diagram71
H13 Block Diagram (External)72
H13 Block Diagram (Internal)73
Data Path Diagram74
D14 Block Diagram (Internal)75
D14 Block Diagram (External)76
U14 Block Diagram (Internal)77
U14 Block Diagram (External)78
URSA9 Block Diagram79
Tuner Diagram80
Video & Audio IN/OUT Diagram81
Audio out Diagram82
HDMI2.0 Block Diagram83
USB / WIFI / M-Remote / UART Diagram84
I2C Map (H13)85
I2C Map (MICOM)86
16. Gpio (H13)87
Gpio (Micom)88
Interconnection – Sub PCB (XXUB98 Series)89
Contents of LCD TV Standard Repair Process90
Video Error91
No Video/ Normal Audio91
No Video/ no Audio92
Picture Broken/ Freezing93
Color Error94
Vertical/Horizontal Bar, Residual Image, Light Spot95
External Device Screen Error-Color Error95
Power Error96
No Power96
Off When On, off While Viewing, Power Auto On/Off97
Audio Error98
No Audio/ Normal Video98
Wrecked Audio/ Discontinuation/Noise99
Function Error100
Remote Control & Local Switch Checking100
MR13 Operating Checking101
Wifi Operating Checking102
Camera Operating Checking103
External Device Recognition Error104
Circuit Noise, Mechanical Noise105
Exterior Defect106
Contents of LCD TV Standard Repair Process Detail Technical Manual107
Video Error_No Video/Normal Audio109
Video Error_Video Error, Video Lag/Stop111
Video Error_Vertical/Horizontal Bar, Residual Image, Light Spot114
Video Error_Color Error115
Exchange Main Board117
Exchange Power Board (PSU)119
Exchange the Module120
Power Error_No Power122
Power Error_Off When On, off Whiling Viewing124
Audio Error_No Audio/Normal Video125
E. Etc131

LG 49UB850T - D14 Block Diagram (External)

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