LG 42LN5700-DH Manuals

Manuals and User Guides for LG 42LN5700-DH. We have 1 LG 42LN5700-DH manual available for free PDF download: Service Manual

LG 42LN5700-DH Service Manual

LG 42LN5700-DH Service Manual (98 pages)

Brand: LG | Category: LED TV | Size: 12.36 MB

Table of Contents

Contents
2
Safety Precautions
3
Leakage Current Cold Check(Antenna Cold Check)
3
Leakage Current Hot Check Circuit
3
General Servicing Precautions
4
Electrostatically Sensitive (ES) Devices
4
General Soldering Guidelines
4
IC Remove/Replacement
5
"Small-Signal" Discrete Transistor Removal/Replacement
5
Power Output, Transistor Device Removal/Replacement
5
Diode Removal/Replacement
5
Specification
6
General Specification
7
External Input Support Format
10
Component Input (Y, CB/PB, CR/PR)
10
HDMI : EDID DATA : Refer to Adjust Specification
11
DTV Mode
11
PC Mode
11
3D Mode
12
RF Input
12
HDMI Input 1.3 (3D Supported Mode Manually)
12
HDMI Input 1.4B (3D Supported Mode Automatically)
13
HDMI-PC 3D Input (3D Supported Mode Manually)
14
Component 3D Input (3D Supported Mode Manually)
15
USB Input (3D) (3D Supported Mode Manually)
16
DLNA Input (3D)
16
Adjustment Instruction
17
Application Range
17
Adjustment Items
17
PCB Assembly Adjustment
17
LAN Port Inspection(Ping Test)
18
ADC Adjust
18
Factory Adjustment
19
Adjustment White Balance
20
Magic Motion Remote Controller Check
21
3D Pattern Test
22
HDMI ARC Function Inspection
22
Selection of Country Option
22
MHL Test
23
GND and HI-POT Testing
23
Default Service Option
24
Usb Download
24
Block Diagram
25
Panel VCC
33
Exploded View
35
Place at Jack Side
37
From LPB & PSU
40
Panel Power
40
Power DET
40
Renesas MICOM
41
MICOM Model Option
41
GP4 High/MID Power SEQUENCE
41
Spdif
43
Ethernet Block
49
Earphone AMP
51
Local Dimming
55
Power Block
56
Level Shifter Block
56
Contents of LCD TV Standard Repair Process
61
Contents of LCD TV Standard Repair Process Detail Technical Manual
62
Standard Repair Process
63
Standard Repair Process Detail Technical Manual
77
Appendix: Power off History
92
Appendix: Exchange T-Con Board (1)
93
Appendix: Exchange PSU (LED Driver)
95
Appendix: Exchange the Module (1)
96

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