LG 49UB850T Service Manual

Contents of LCD TV Standard Repair Process
No. Error symptom (High category) Error symptom (Mid category) PageRemarks
1 No video/Normal audio 1
2 No video/No audio 2
A. Video error
3 Picture broken/ Freezing 3
4 Color error 4
Vertical/Horizontal bar residual image
5
Vertical/Horizontal
bar
,
residual
image
,
light spot, external device color error
5
6
B Power error
No power 6
Off h ff hil i i
B
.
Power
error
7
Off
w
h
en on, o
ff
w
hil
e v
i
ew
i
ng,
p
ower
auto on/off
7
8
C. Audio error
No audio/Normal video 8
9 Wrecked audio/discontinuation/noise 9
10
Remote control & Local switch checking
10
MR13 i h ki
11
D. Function error
MR13
o
p
erat
i
ng c
h
ec
ki
ng
11
11
12
Wifi operating checking 12
13
Camera operating checking
13
13
Camera
operating
checking
13
14 External device recognition error 14
15 E. Noise Circuit noise, mechanical noise 15
16 F. Exterior error Exterior defect 16
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
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LG 49UB850T Specifications

General

User memory	3.9 GB
3D glasses quantity	4
Supported file systems	NTFS
Annual energy consumption	155 kWh
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.3 W
Power consumption (typical)	106 W
Product color	Black
VESA mounting	-
Mercury content	0 mg
Screen shape	Flat
Response time	- ms
Display diagonal	49 \
Display brightness	- cd/m²
Display technology	LED
Native aspect ratio	16:9
Display diagonal (metric)	123 cm
Screen format adjustments	4:3, 16:9
Motion interpolation technology	UCI (Ultra Clarity Index) 1000
Picture processing technology	LG Triple XD Engine
Tuner type	Analog & digital
Digital signal format system	DVB-T2
Smart modes	Cinema, Game, Photo, Sports, Standard, Vivid
Lifestyle apps	Skype
Sound modes	Game, MOvie, Movie, News, Sports, Standard
RMS rated power	20 W
PC in (D-Sub)	No
DVI-D ports quantity	0
USB 2.0 ports quantity	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1

Weight and Dimensions

Weight (without stand)	- g