LG 26LV250N Manuals

Manuals and User Guides for LG 26LV250N. We have 1 LG 26LV250N manual available for free PDF download: Service Manual

LG 26LV250N Service Manual

LG 26LV250N Service Manual (100 pages)

Brand: LG | Category: LCD TV | Size: 7.96 MB

Table of Contents

Service Manual
1
Contents
2
Safety Precautions
3
Leakage Current Cold Check (Antenna Cold Check)
3
Leakage Current Hot Check
3
Leakage Current Hot Check Circuit
3
Important Safety Notice
3
Servicing Precautions
4
Electrostatically Sensitive (ES) Devices
4
General Soldering Guidelines
4
IC Remove/Replacement
5
Diode Removal/Replacement
5
Fuse and Conventional Resistor Removal/Replacement
5
Circuit Board Foil Repair
5
Specification
6
Application Range
6
Requirement for Test
6
Test Method
6
Component Video Input (Y, Cb/Pb, Cr/Pr)
7
Rgb (Pc)
7
HDMI Input - DTV Mode
8
HDMI Input - PC Mode
8
Adjustment Instruction
9
Designation
9
Main PCB Check Process
9
Boot File Download
9
ADC Process
10
Function Check
10
Total Assembly Line Process
11
Adjustment Preparation
11
DDC EDID Write (RGB 128Byte)
11
DDC EDID Write (HDMI 256Byte)
11
EDID Data
12
Manual Download
12
Model Name & Serial Number D/L
13
Signal TABLE
13
Command Set
13
V-COM Adjust (Only LGD (M+S) Module)
13
CI+ Key Download Method
14
Local Dimming Function Check
14
Block Diagram
15
Exploded View
16
Wiring Diagrams
17
Rgb/Spdif/Pc/Hp
25
Gp2R_Large_Tuner
30
LCD TV Repair Guide - 11 Years New Basic Models
39
Product Roadmap
41
Main PCB
42
19/22/26Lv2500
42
22/26Lk330
43
32/37/42/47Lk450
44
32/37/42/47/55Lw4500
45
Block Diagram View
46
Interconnection - 1
47
19/22Lv2500
47
Interconnection - 2
48
Interconnection - 3 - 26LV2500
49
Interconnection - 4 - 26LV5500
50
Interconnection - 5 - 32LV2500
51
Interconnection - 6 - 37LV3400
52
Interconnection - 7 - 37LV3550
53
Interconnection - 8 - 42LV4500
54
Interconnection - 9 - 42LW4500
55
Interconnection - 10 - 32LK530
56
Interconnection - 11 - 37LK430
57
Interconnection - 12 - 42LK450
58
Interconnection – Sub PCB (LV*/LK450 Series)
59
Interconnection – Sub PCB (LK430/LK530 Series)
60
Contents of LCD TV Standard Repair Process
61
Standard Repair Process
62
Video Error
62
Picture Problem
64
Vertical/Horizontal Bar, Residual Image, Light Spot
66
Power Error
67
Audio Error
69
General Function Problem
71
Function Error
72
Noise
73
Exterior Defect
74
Contents of LCD TV Standard Repair Process Detail Technical Manual
75
Standard Repair Process Detail Technical Manual
77
Video Error_No Vicdeo/Normal Audio
77
Video Error_Video Error, Video Lag/Stop
81
Video Error _Vertical/Horizontal Bar, Residual Image, Light Spot
83
Video Error_Color Error
85
Exchange T-Con Board
88
Exchange PSU (LED Driver)
90
Exchange the Module
91
Power Error_No Power
93
Power Error_Off When On, off Whiling Viewing
96
Audio Error_No Audio/Normal Video
97
Function Error_ no Response in Remote Controller, Key Error
99

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