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49LH5700-UD
LG 49LH5700-UD User Manual
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Printed in Korea
P/NO : MFL69442202 (1602-REV00)
CHASSIS : LA66L
MODEL
: 43LH5700
43LH5700-UD
MODEL
:
49LH5700
49LH5700-UD
CAUTION
BEFORE SERVICING
THE CHASSIS,
READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
LED TV
SER
VICE MANUAL
Internal Use Only
2
Table of Contents
Table of Contents
2
Leakage Current Hot Check Circuit
3
General Guidance
3
Leakage Current Cold Check(Antenna Cold Check)
3
Safety Precautions
3
General Servicing Precautions
4
General Soldering Guidelines
4
Electrostatically Sensitive (ES) Devices
4
IC Remove/Replacement
5
"Small-Signal" Discrete Transistor Removal/Replacement
5
Circuit Board Foil Repair
5
General Specification
6
Test Method
6
Test Condition
6
Application Range
6
Supported Video Resolutions
7
Component 2D Input (Y, Cb/Pb, Cr/Pr)
7
HDMI Input (PC/DTV)
8
Main PCBA Adjustments
9
MAC Address, ESN Key and Widevine Key Download
9
Download
9
Adjustment Instruction
9
LAN Port Inspection (Ping Test)
10
EDID Download
10
Equipment
10
EDID Data
10
Overview
12
Equipment Connection
12
White Balance Adjustment
12
Final Assembly Adjustment
12
Adjustment Command (Protocol)
13
Auto WB Calibration
13
Manual Adjustment
13
Reference (White Balance Adj. Coordinate and Color Temperature)
13
Standard Color Coordinate and Temperature Using CA-210 (CH-14)
14
Option Selection Per Country
14
Wi-Fi MAC Address Check
14
Check the Menu on In-Start
14
HDMI ARC Function Inspection
15
Ship-Out Mode Check (In-Stop)
15
Audio Output Check
15
GND and HI-POT Test
15
Manual White Balance Adjustment
16
USB S/W Download (Optional, Service Only)
16
Optional Adjustments
16
Checkpoint
16
Block Diagram
17
Exploded View
18
Led Driver Block
22
Power from Adaptor 19V
23
Renesas Micom
24
Av/Component Rear
26
USB Rear
28
Ethernet Block
29
Audio AMP (NTP7515)
30
Lvds
33
Emmc I/F
34
RS-232C Control Interface
35
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23 pages
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LG 49LH5700-UD Specifications
General
Screen Size
49 inches
Display Type
LED
Resolution
1920 x 1080
Refresh Rate
60 Hz
HDMI Ports
3
USB Ports
1
Smart TV
Yes
Wi-Fi
Yes
Audio Output
20W
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