LG 49UF6490 - Page 56

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Table of Contents

Table of Contents2
General Guidance3
Leakage Current Hot Check Circuit3
Leakage Current Cold Check (Antenna Cold Check)3
Safety Precautions3
Service Precautions4
Electrostatically Sensitive (ES) Devices4
General Soldering Guidelines4
Diode Removal/Replacement5
Circuit Board Foil Repair5
IC Remove/Replacement5
"Small-Signal" Discrete Transistor Removal/Replacement5
Specifications6
Test Condition6
Test Method6
Model Specification6
External Input Format7
2D Mode7
Component Input(Y, C/P, C/P)7
HDMI Input (PC/DTV)7
Adjustment Items9
Application Range9
Specification9
Adjustment Instruction9
- MAC Address, ESN, Widevine, HDCP2.0 Key D/L10
- LAN Inspection10
- Model Name & Serial Number Download11
- Wifi Mac Address Check11
- Manual Adjustment12
- EDID (the Extended Display Identification Data) / DDC (Display Data Channel) Download12
- Camera Port Inspection15
- White Balance Adjustment16
- V-COM Adjust16
- Local Dimming Function Check18
- Magic Motion Remocon Test18
- HDMI ARC Function Inspection18
- Color Temperature18
- EYE-Q Green Function Inspection19
- Ship-Out Mode Check (In-Stop)19
- GND and Internal Pressure Check19
- AUDIO Output Check19
- USB S/W Download20
- LM14A + URSA11 Circuit Block Diagram21
Block Diagram21
- LM14A I2C Block Diagram22
- URSA11 Block Diagram23
- LM14A + URSA11 Power Block Diagram24
- Tuner/CI Block Diagram25
- Video/Audio in Block Diagram26
- Audio out Block Diagram27
- Hdmi28
- Usb / Wifi / M-Remote / Uart29
Exploded View30
- Main System31
- Main Power32
- Main Ext_In/Output34
- Micom38
- HDMI 3 Input (Rear Horizontal)39
- Jack Common40
- Ir/Key41
- Usb42
- Ethernet Block43
- Audio AMP (NTP7515)44
- TU Circuit45
- Emmc48
- CLIP Top Side for Covershield49
- Heatsink Guide Cap49
- URS All Input51
- Trouble Shooting Guide57
- Contents of Standard Repair Process58
- Video Error59
- Power Error64
- Audio Error66
- Function Error68
- Noise73
- Exterior Defect74
- Contents of Standard Repair Process Detail Technical Manual75
- Video Error_Color Error83
- Exchange Main Board85
- Exchange Power Board (PSU)87
- Exchange the Module88
- Power Error _No Power90
- Audio Error_No Audio/Normal Video93

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Owner's Manual36 pages

Easy Setup Guide36 pages

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