LG 70LB650V Manuals

LG 70LB650V Manuals

Manuals and User Guides for LG 70LB650V. We have 1 LG 70LB650V manual available for free PDF download: Service Manual

LG 70LB650V Service Manual

LG 70LB650V Service Manual (95 pages)

CHASSIS : LD42B

Brand: LG | Category: LED TV | Size: 11.43 MB

Table of Contents

Contents
2
Safety Precautions
3
Leakage Current Cold Check (Antenna Cold Check)
3
Leakage Current Hot Check
3
General Guidance
3
Servicing Precautions
4
Electrostatically Sensitive (ES) Devices
4
General Soldering Guidelines
4
IC Remove/Replacement
5
"Small-Signal" Discrete Transistor Removal/Replacement
5
Diode Removal/Replacement
5
Circuit Board Foil Repair
5
Specifications
6
Application Range
6
Requirement for Test
6
Test Method
6
Component Video Input (Y, Pb, Pr)
8
HDMI Input
9
DTV Mode
9
PC Mode
9
3D Mode
10
HDMI 1.4B (3D Supported Mode Automatically)
10
HDMI Input (1.3)
11
RF Input
11
USB, DLNA (Movie) Input (3D Supported Mode Manually)
11
USB, DLNA (Photo) Input (3D Supported Mode Manually)
11
USB, DNLA Input (3D Supported Mode Automatically)
12
HDMI-PC Input (3D Supported Mode Manually)
12
Component Input (3D) (3D Supported Mode Manually)
12
Miracast, Widi (3D Supported Mode Manually)/3D Input Mode
12
Adjustment Instruction
13
Automatic Adjustment
13
Designation
13
LAN Inspection
13
LAN Port Inspection (Ping Test)
14
Model Name & Serial Number Download
14
CI+ Key Checking Method
14
Equipment Setting
14
Manual Adjustment
15
Wifi Mac Address Check
15
EDID Data
15
White Balance Adjustment
16
Local Dimming Function Check
17
Reference (White Balance Adj. Coordinate and Color Temperature)
17
LED White Balance Table
17
Magic Motion Remote Control Test
18
3D Function Test (Except Non-3D Product)
18
Wi-Fi Test
18
Tool Option Selection
19
Ship-Out Mode Check(In-Stop)
19
GND and Internal Pressure Check
19
Audio
19
USB S/W Download (Service Only)
20
Block Diagram
21
Exploded View
22
System Configuration Diagram
23
Trouble Shooting Guide
56
Contents of LCD TV Standard Repair Process
57
Video Error
58
No Video/ Normal Audio
58
No Video/ no Audio
59
Picture Problem
60
Picture Broken/ Freezing
60
Color Error
61
Vertical/Horizontal Bar, Residual Image, Light Spot
62
External Device Screen Error-Color Error
62
Power Error
63
No Power
63
Off When On, off While Viewing, Power Auto On/Off
64
Audio Error
65
No Audio/ Normal Video
65
Wrecked Audio/ Discontinuation/Noise
66
General Function Problem
67
Remote Control & Local Switch Checking
67
Function Error
68
External Device Recognition Error
68
Circuit Noise, Mechanical Noise
69
Exterior Defect
70
Contents of LCD TV Standard Repair Process Detail Technical Manual
71
Standard Repair Process Detail Technical Manual
73
Video Error_No Video/Normal Audio
73
Video Error, Video Lag/Stop
77
Video Error_Color Error
80
Exchange EPI Cable or Main B/D
82
Exchange Power Board
84
Exchange the Module
85
Power Error_No Power
87
Power Error - off When On, off Whiling Viewing
90
Audio Error_No Audio/Normal Video
91
Checking Method
91
Function Error_No Response in Remote Controller, Key Error
93
Display Has Error Especially Color
94

Advertisement

Advertisement

Related Products

LG Categories

Cell Phone

Monitor

Washer

Air Conditioner

Air Conditioner

More LG Manuals