LG 27UL500 User Manual

TROUBLE SHOOTING GUIDE
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
No Power
No Screen on
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Only training and service purposes
Replace X200
N
Check JP400
Voltage Level (19V)
Check Power connector
OK ?
Replace Adapter
Y
N Y
Check IC405, IC403, IC404 Output
Voltage Level (5V,1.8V, 1.15V)
Replace IC405, IC403, IC404
&Recheck
Y
N
Check X200 Clock
12MHz
Check IC601 Output
Voltage Level (+3.3V)
Replace IC601 &
Recheck
N
Y
Replace IC202 Flash Memory
Y
Replace Cable
N
Module Back Light On?
Check IC 601
Replace Main Scaler IC
Y
N N
Check Panel Power
10V(JP209)
Replace IC402 &
Recheck
Y
N
Check e-DP Cable for
Damage or Open
Conductors
Check WLED_ENABLE High?
(IC601 Pin #27)
Replace T-Con Board or
Module
Y

LG 27UL500 Specifications

General

3D	-
Pixel pitch	0.1554 x 0.1554 mm
Screen shape	Flat
Display surface	Matt
Display diagonal	27 \
Display technology	LED
Native aspect ratio	16:9
Maximum refresh rate	- Hz
sRGB coverage (typical)	98 %
Contrast ratio (typical)	1000:1
Display number of colors	1.073 billion colors
Display brightness (typical)	300 cd/m²
Supported graphics resolutions	3840 x 2160
High Dynamic Range (HDR) supported	Yes
Cables included	DisplayPort, HDMI
Package type	Box
Package depth	146 mm
Package width	700 mm
Package height	446 mm
Package weight	7100 g
Panel mounting interface	100 x 100 mm
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Energy efficiency scale	A to G
Power consumption (off)	0.3 W
Power consumption (standby)	0.5 W
Power consumption (PowerSave)	- W
Product color	Silver
Market positioning	Gaming
DisplayPort version	1.4
VGA (D-Sub) ports quantity	0

Weight and Dimensions

Depth (with stand)	209.4 mm
Height (with stand)	460 mm
Weight (with stand)	5100 g
Depth (without stand)	74.1 mm
Width (without stand)	622.6 mm
Height (without stand)	371 mm
Weight (without stand)	4600 g