LG 49UF640 SERIES Manuals

LG 49UF640 SERIES Manuals

Manuals and User Guides for LG 49UF640 SERIES. We have 4 LG 49UF640 SERIES manuals available for free PDF download: Service Manual

LG 49UF640 SERIES Service Manual

LG 49UF640 SERIES Service Manual (95 pages)

Brand: LG | Category: LED TV | Size: 11 MB

Table of Contents

Table of Contents
2
General Guidance
3
Leakage Current Hot Check Circuit
3
Leakage Current Cold Check (Antenna Cold Check)
3
Safety Precautions
3
Service Precautions
4
Electrostatically Sensitive (ES) Devices
4
General Soldering Guidelines
4
Diode Removal/Replacement
5
Circuit Board Foil Repair
5
IC Remove/Replacement
5
"Small-Signal" Discrete Transistor Removal/Replacement
5
Specifications
6
Test Condition
6
Test Method
6
Model Specification
6
External Input Format
7
2D Mode
7
Component Input(Y, C/P, C/P)
7
HDMI Input (PC/DTV)
7
Adjustment Items
9
Application Range
9
Specification
9
Adjustment Instruction
9
Block Diagram
21
- LM14A I2C Block Diagram
  22
- URSA11 Block Diagram
  23
- LM14A + URSA11 Power Block Diagram
  24
- Tuner/CI Block Diagram
  25
- Video/Audio in Block Diagram
  26
- Audio out Block Diagram
  27
- Hdmi
  28
- Usb / Wifi / M-Remote / Uart
  29
Exploded View
30
- Main System
  31
- Main Power
  32
- Main Ext_In/Output
  34
- Micom
  38
- HDMI 3 Input (Rear Horizontal)
  39
- Jack Common
  40
- Ir/Key
  41
- Usb
  42
- Ethernet Block
  43
- Audio AMP (NTP7515)
  44
- TU Circuit
  45
- Emmc
  48
- CLIP Top Side for Covershield
  49
- Heatsink Guide Cap
  49
- URS All Input
  51
- Trouble Shooting Guide
  57
- Contents of Standard Repair Process
  58
- Video Error
  59
- Power Error
  64
- Audio Error
  66
- Function Error
  68
- Noise
  73
- Exterior Defect
  74
- Contents of Standard Repair Process Detail Technical Manual
  75
- Video Error_Color Error
  83
- Exchange Main Board
  85
- Exchange Power Board (PSU)
  87
- Exchange the Module
  88
- Power Error _No Power
  90
- Audio Error_No Audio/Normal Video
  93

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LG 49UF640 SERIES Service Manual

LG 49UF640 SERIES Service Manual (126 pages)

CHASSIS : LD59R / LD5ZR

Brand: LG | Category: LED TV | Size: 9 MB

Table of Contents

LG 49UF640 SERIES Service Manual

LG 49UF640 SERIES Service Manual (51 pages)

Brand: LG | Category: LED TV | Size: 3 MB

Table of Contents

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LG 49UF640 SERIES Service Manual

LG 49UF640 SERIES Service Manual (20 pages)

Brand: LG | Category: LED TV | Size: 0 MB

Table of Contents

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