LG E1951S User manual

E2251VR
E2351VR
E1951C
E2051C
E2251C
www.lg.com
OWNER’S MANUAL
LED LCD MONITOR
Please read this manual carefully before operating
your set and retain it for future reference.
LED LCD MONITOR MODELS
ENGLISH
E1951T
E2051T
E2251T
E2351T
E2351TC
E1951S
E2051S
E2251S
E2251VQ
E2351VQ

2
ENG
ENGLISH
TABLE OF CONTENTS
CONTENTS
3ASSEMBLING AND
PREPARING
3 Unpacking
4 Parts and buttons
6 Setting up the Monitor
6 - Assembling the Stand Body and Base
7 - Mounting on a table
8 - Detaching the Stand Base and the
Stand Body
9- Mounting on a wall
11 USING THE MONITOR
11 Connecting to a PC
11 - D-SUB connection
12 - DVI-D connection
13 - HDMI connection
14 CUSTOMIZING SETTINGS
14 Accessing The Main Menus
15 Customizing Settings
15 - MENU Settings
16 - SUPER ENERGY SAVING Settings
17 - SUPER+ RESOLUTION Settings
17 - VOLUME Settings (Only supported in
HDMI)
18 - DUAL MONITOR Settings
18 - DUAL WEB Settings
19 TROUBLESHOOTING
21 SPECIFICATIONS
26 Preset Modes (Resolution)
27 - HDMI Video Timing
27 Indicator
28 PROPER POSTURE
28 Proper posture for using the Monitor.
29 LICENSES

3
ENG
ENGLISH
ASSEMBLING AND PREPARING
ASSEMBLING AND PREPARING
Unpacking
Check your product box for the following items. If there are any missing accessories, contact the local
dealer where you purchased your product. The illustrations in this manual may differ from the actual product
and accessories.
yDo not use any unapproved accessories to ensure the safety and product life span.
yAny damages or injuries by using unapproved accessories are not covered by the warranty.
yThe accessories supplied with your product may vary depending on the model.
yProduct specifications or contents in this manual may be changed without prior notice due to upgrade
of product functions.
yUser should use shielded signal interface cables (RGB cable/ DVI-D cable) with ferrite cores to
maintain standard compliance for the product.
CAUTION
NOTE
CD(Owner's Manual) /
Card
D-SUB Cable
(This signal cable may be attached
to this product before shipping out.)
DVI-D Cable
(In some countries, this
accessory may not be provided.)
Stand Base
Power Cord AC-DC Adapter
Stand Body
Screws for Assembly
2 EA

4
ENG
ENGLISH
ASSEMBLING AND PREPARING
HDMI
D-SUBDVI-D
DC-IN /
䏳㵎幑‣
D-SUBDVI-D
DC-IN /
䏳㵎幑‣
D-SUB
DC-IN /
䏳㵎幑‣
Parts and buttons
Power Indicator
yLighting On: Turned on
yLighting Off: Turned off
Connection panel (See p.11)
Button ("CUSTOMIZING SETTINGS" on page 14)
(Power Button)
E2251VQ
E2351VQ
E2251VR
E2351VR
E1951S
E1951C
E2051S
E2051C
E2251S
E2251C
E1951T
E2251T
E2051T
E2351T E2351TC

5
ENG
ENGLISH
ASSEMBLING AND PREPARING
Button Description
MENU Accesses the main menus.(See p.15)
Left First Button OSD LOCKED/
UNLOCKED
This function allows you to lock the current control settings, so
that they cannot be inadvertently changed.
Press and hold the Left First Button for several seconds.
The message "OSD LOCKED" should appear.
You can unlock the OSD controls at any time by pushing the
Left First Button for several seconds. The message "OSD
UNLOCKED" should appear.
SUPER+ RESOLUTION Use this button to enter the SUPER+ RESOLUTION menu. For more information.(See p.17)
DUAL Use this button to enter the DUAL menu.
For more information.(See p.18)
AUTO Press the AUTO button on the MONITOR SETUP OSD menu to automatically adjust the
screen.
(Only supported in Analog Mode)
The best display mode
E1951S/ E1951T/
E1951C
1366 x 768
E2051S/ E2051T/
E2051C
1600 x 900
E2251S/ E2251T/
E2251C/ E2251VR/
E2251VQ/ E2351TC
E2351T/ E2351VR
E2351VQ
1920 x 1080
VOLUME (Only HDMI mode) E2251VR/ E2351VR/ E2251VQ/ E2351VQ
Adjust the volume of the Monitor.(See p.17)
INPUT You can choose the input signal.
yWhen two input signals are at least are connected, you can select the input signal
(D-SUB/ DVI-D/ HDMI) you want.
yWhen only one signal is connected, it is automatically detected. The default setting is
D-SUB.
EXIT Exit the OSD(On Screen Display).
(Power Button) Turns the power on or off.
Power Indicator The power indicator stays blue if the display is running
properly (On Mode). If the display is in Sleep Mode, the power
indicator blinks blue.

6
ENG
ENGLISH
ASSEMBLING AND PREPARING
Stand Body
Stand Base
Setting up the Monitor
Assembling the Stand Body and Base
1Place the Monitor with the screen side down on
a flat and cushioned surface.
3Secure the Stand Body the monitor using 2
screws.
Coin
2Attach the Stand Body from the Monitor.
Insert the two Lockers of the Stand Body right
into the groove of the Monitor head and secure
them by pressing the left and right bottom
sides.
Locker
4Check the direction of the Stand Base and
assemble it with the Stand Body. Using a
coin, turn the screw clockwise to secure the
Stand Base.
yIf you do not fasten the screws, the monitor
may fall, which may result in damage to the
product.
yThis illustration depicts the general type of
connection. Your monitor may differ from the
items shown in the picture.
yDo not carry the product upside down
holding only the stand base. The product
may fall and get damaged or injure your foot.
yApplying excessive force when fastening
screws may cause damage to the monitor.
Damage caused in this way will not be
covered by the product warranty.
CAUTION
WARNING

7
ENG
ENGLISH
ASSEMBLING AND PREPARING
Mounting on a table
1Lift and tilt the Monitor into its upright position
on a table.
Leave a 10 cm (minimum) space from the wall
for proper ventilation.
10 cm
10 cm
10 cm
10 cm
Disconnect the power cord first, and then move
or install the Monitor. Otherwise electric
shock may occur.
CAUTION
2Connect the AC-DC Adapter and Power Cord
to a wall outlet.
DC-IN /
䏳㵎幑‣
DC-IN /
䏳㵎幑‣
When you adjust the angle, do not hold the
bottom of the Monitor frame as shown on
the following illustration, as it may injure your
fingers.
Do not touch or press the screen when
adjusting the angle of the monitor.
WARNING
Tilt from +15 to -5 degrees up or down to adjust
the angle of the Monitor to suit your view.
NOTE
Front Rear
15- 5

8
ENG
ENGLISH
ASSEMBLING AND PREPARING
Using the Kensington security system
The Kensington security system connector is
located at the back of the Monitor. For more
information of installation and using, refer to the
manual supplied with the Kensington security
system or visit
http://www.kensington.com .
Connect the Kensington security system cable
between the Monitor and a table.
The Kensington security system is optional.
You can obtain it from most electronics stores.
NOTE
Detaching the Stand Base and the
Stand Body
1Place the Monitor with the screen side down on
a flat and cushioned surface.
2Using a coin, turn the screw in the Stand Base
counterclockwise. Detach the Stand Base from
the Stand Body.
3Remove the 2 screws and detach the Stand
Body from the monitor.

9
ENG
ENGLISH
ASSEMBLING AND PREPARING
Mounting on a wall
For proper ventilation, allow a clearance of 10 cm
on each side and from the wall. Detailed
instructions are available from your dealer, see the
optional Tilt Wall Mounting Bracket Installation and
Setup Guide.
10 cm
10 cm
10 cm
10 cm
Model E1951S
E2051S
E2251S
E1951T
E2051T
E2251T
E2351T
E2351TC
E1951C
E2051C
E2251C
E2251VR
E2351VR
E2251VQ
E2351VQ
VESA (A x B) 75 x 75
Screw Size M4
Number of screws 4
Wall mount bracket
(optional)
RW120
If intend to mount the Monitor to a wall, an optional
third-party wall mount must be purchased.
When you install the Monitor using the wall
mounting interface (optional parts), attach it
carefully so it will not fall.
1Please use screws and a wall mount interface
in accordance with VESA Standards.
2If you use screws longer than standard, the
monitor might be damaged internally.
3If you use improper screws, the product might
be damaged and drop from mounted position.
In this case, LG Electronics is not responsible
for it.
4VESA compatible only with respect to screw
mounting interface dimensions and mounting
screw specifications.
5Please use a VESA standard as below.
y784.8 mm (30.9 inch) and under
* Wall Mount Pad Thickness : 2.6 mm
* Screw : Φ4.0 mm x Pitch 0.7 mm x
Length 10 mm
y787.4 mm (31.0 inch) and above
* Please use VESA standard wall mount pad
and screws.
A
B
yVESA (A x B)

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ENG
ENGLISH
ASSEMBLING AND PREPARING
yDisconnect the power cord first before
moving or installing the Monitor. Otherwise
electric shock may occur.
yIf you install the Monitor on a ceiling or
slanted wall, it may fall and result in severe
injury.
yUse only an authorized LG wall mount and
contact a local dealer or qualified personnel.
yDo not over tighten the screws as this may
cause damage to the Monitor and void your
warranty.
yUse only screws and wall mounts that
meet the VESA standard. Any damages
or injuries by misuse or using an improper
accessory are not covered by the warranty.
yOnly use screws that are listed on the VESA
standard screw specifications.
yThe wall mount kit will include an installation
manual and necessary parts.
yThe wall mount bracket is optional. You can
obtain additional accessories from your local
dealer.
yThe length of screws may differ depending
on the wall mount. Be sure to use the proper
length.
yFor more information, refer to the
instructions supplied with the wall mount.
CAUTION
NOTE

11
ENG
ENGLISH
USING THE MONITOR SET
D-SUB
D
C-IN /
䏳
㵎幑‣
RGB OUT
D-SUB
D
VI-
D
DC-IN
/
䏳
㵎
幑‣
H
DM
I
D-SUBD
VI
-
D
RGB OUT
D
C-IN /
䏳
㵎幑‣
USING THE MONITOR
Connecting to a PC
yYour Monitor supports Plug & Play*.
*Plug & Play: A PC recognizes a connected
device that users connect to a PC and turn
on, without device configuration or user
intervention.
D-SUB connection
Transmits analog video from your PC to the
Monitor. Connect the PC and the Monitor with the
supplied D-sub 15 pin signal cable as shown in the
following illustrations.
yApple Adapter
An adapter may be needed for Apple
computers. This adapter can be purchased
from Apple.
NOTE
E2251VR E2351VR E2251VQ E2351VQ
E1951C
E1951S
E2051C
E2051S
E2251C
E2251S
E2051TE1951T E2251T
E2351T E2351TC

12
ENG
ENGLISH
USING THE MONITOR SET
DVI-D connection
Transmits the digital video signal from your PC to
the Monitor. Connect the PC and the Monitor
set with the DVI-D cable as shown the following
illustrations.
D-
SU
BDVI-D
DVI OUT
DC-IN
/
䏳㵎幑
‣
H
DMI
D
-
SUB
DVI-D
DVI OUT
DC-IN
/
䏳㵎幑
‣
yConnect the signal
input cable and tighten
it by turning the screws
clockwise.
yDo not press the screen with your finger for
a long time as this may result in temporary
distortion on the screen.
yAvoid displaying a fixed image on the
screen for a long period of time to prevent
image burn. Use a screensaver if possible.
CAUTION
E2251VR E2351VR E2251VQ E2351VQ
E2051TE1951T E2251T
E2351T E2351TC

13
ENG
ENGLISH
USING THE MONITOR SET
y"Self Image Setting" Function.
This function provides the user with optimal
display settings.When the user connects
the monitor for the first time, this function
automatically adjusts the display to optimal
settings for individual input signals.(Only
supported in Analog Mode)
y‘AUTO’ Function.
When you encounter problems such as
blurry screen, blurred letters, screen flicker
or tilted screen while using the device or
after changing screen resolution, press the
AUTO function button to improve resolution.
(Only supported in Analog Mode)
NOTE
Self Image Setting Function
Press the power button on the front panel to turn
the power on. When monitor power is turned on,
the "Self Image Setting" Function is executed
automatically. (Only supported in Analog Mode)
yWhen you want to use two PC in our Monitor,
please connect the signal cable(D-SUB/
DVI-D/ HDMI) respectively in Monitor.
yIf you turn the Monitor on while it is cold, the
screen may flicker. This is normal.
ySome red, green, or blue spots may appear
on the screen. This is normal.
ySound output is available only in HDMI input
mode. The quality of the sound may be
reduced depending on the performance of
headphones, earphones or external speaker.
NOTE
HDMI connection
Transmits the digital video and audio signals from
your PC or A/V to the Monitor. Connect the PC or
A/V and the Monitor with the HDMI cable as shown
in the following illustrations. When the HDMI cable
is connected, you can listen to the sound through
headphones, earphones or an external speaker.
HDMI
D-SU
B
DVI-D
HDMI OUTHDMI OUT
D
C-IN
/
䏳㵎幑
‣
E2251VR E2351VR E2251VQ E2351VQ

14
ENG
ENGLISH
CUSTOMIZING SETTINGS
CUSTOMIZING SETTINGS
Accessing The Main Menus
1Press any button on the front of the Monitor to display the MONITOR SETUP OSD menu.
2Press the desired menu item.
3Change the value of the menu item by pressing the buttons on the front of the Monitor.
To return to the upper menu or set other menu items, use the up arrow ( ) button.
4Select EXIT to leave the OSD menu.
Monitor set Buttons
MENU SUPER+
RESOLUTION
DUAL AUTO INPUTVOLUME EXIT
MONITOR SETUP
MENU (See p.15)
Sets the screen options.
AUTO (See p.5)
Optimizes the resolution.
EXIT
Exits the OSD menu.
INPUT
Sets the external input.
SUPER+ RESOLUTION
(See p.17)
DUAL (See p.18) VOLUME (See p.17)
Different menu items are enabled depending on the type of input signal and model.
NOTE
Menu SUPER+
RESOLUTION
DUAL AUTO VOLUME INPUT EXIT
E1951S/ E2051S/ E2251S
E1951C/ E2051C/ E2251C O X O O X X O
E1951T/ E2051T/ E2251T/ E2351T/
E2351TC O X O O X O O
E2251VR/ E2351VR (Analog/ Digital) O O O O X O O
E2251VR/ E2351VR (HDMI) O O O X O O O
E2251VQ/ E2351VQ (Analog/ Digital) O X O O X O O
E2251VQ/ E2351VQ (HDMI) O X O X O O O

15
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ENGLISH
CUSTOMIZING SETTINGS
Customizing Settings
MENU Settings
1Press any button on the front of the Monitor to display the
MONITOR SETUP OSD menu.
2Press the MENU button to display the options in the OSD
menu.
3 Settheoptionsbypressingthe◄or►or▼buttons.
4Select EXIT to leave the OSD menu.
To return to the upper menu or set other menu items, use the
up arrow ( ) button.
Menu Analog Digital HDMI Description
BRIGHTNESS OOOAdjusts the brightness of the screen.
ORIGINAL RATIO
OOO
WIDE
Switch to full screen mode according to input image signal.
ORIGINAL
Change the input image signal ratio to original.
* This function works only if input resolution is lower than Monitor
ratio (16:9).
COLOR TEMP
OOO
PRESET
Select the screen color.
yWARM: Set the screen to warm color temperature (more red).
yMEDIUM: Set the screen to medium color temperature.
yCOOL: Set the screen to cool color temperature (More blue).
USER
yRED: Set your own red color levels.
yGREEN: Set your own green color levels.
yBLUE: Set your own blue color levels.
CONTRAST OOOAdjusts the contrast of the screen.
BLACK LEVEL
(Only supported
in HDMI mode) X X O
You can set the offset level. If you select 'HIGH', the screen will be
bright and if you select ‘LOW’, the screen will be dark.
yOffset: As the criteria for video signal, it is the darkest screen
the monitor can show.
LANGUAGE OOOChanges the menu language.
RTC
(Only supported in
E2251VQ, E2351VQ
model)
OOO
If you set ON, you enable the Response Time Control function and
reduce the afterimage of the screen.
If you set OFF, you disable the Response Time Control function
and operate at panel response time.
SUPER ENERGY
SAVING OOOChange the SUPER ENERGY SAVING function. (See p.16)
FACTORY RESET OOOReturns the monitor to original factory settings except language.
yAnalog: D-SUB(Analog signal) input.
yDigital: DVI-D(Digital signal) input.
yHDMI: HDMI(Digital signal) input.
MENU
EXIT
BRIGHTNESS
ORIGINAL RATIO
COLOR TEMP
PRESET
RED
GREEN
BLUE
CONTRAST
BLACK LEVEL
LANGUAGE
RTC
SUPERENEYGYSAVING
FACTORY RESET
WIDE
USER
WARM
LOW
ENGLISH
ON
NO
The available MENU settings are described below.
100
50
50
50
70

16
ENG
ENGLISH
CUSTOMIZING SETTINGS
SUPER ENERGY SAVING Settings
1Press any button on the front of the Monitor to display
the MONITOR SETUP OSD menu.
2Press the MENU button to display the options in the
OSD Menu.
3Select SUPER ENERGY SAVING by pressing the
▼button.
4Enter to SUPER ENERGY SAVING by pressing the
►button.
5Settheoptionsbypressing◄or►buttons.
6Select EXIT to leave the OSD menu.
To return to the upper menu or set other menu items,
use the up arrow ( ) button.
The available SUPER ENERGY SAVING settings are described below.
Menu Description
ON Enables SUPER ENERGY SAVING.
OFF Disables SUPER ENERGY SAVING.
RESET Resets the values of total energy consumption reduction and CO2 emission reduction estimates.
yTOTAL POWER REDUCTION: How much power is saved while using the monitor.
yTOTAL CO2 REDUCTION: Estimated CO2 not used by activating the Super Energy Saving function.
ySAVING DATA(W/h)
470 mm (18.5 inch) 508 mm (20 inch) 546 mm (21.5 inch) 584 mm (23 inch)
SUPER SAVING 3 W/h 3 W/h 4 W/h 5 W/h
LED SAVING 3 W/h 18 W/h 15 W/h 12 W/h
ySaving Data depends on the Panel. So,those values should be different from each panel and panel
vendor.
yLG calculated these values by using “broadcast video signal”.
yLED Saving means how much power can be saved using a WLED Panel instead of CCFL panel.
ySUPER SAVING means how much power can be saved using the SUPER ENERGY SAVING
function.
NOTE
EXIT
OK
ON OFF RESET
TOTAL POWER REDUCTION: 20 W
TOTAL CO2 REDUCTION: 16 g
SUPER
SAVING
: 5 W/h
LED SAVING
: 12 W/h
SUPER ENERGY SAVING

17
ENG
ENGLISH
CUSTOMIZING SETTINGS
SUPER+ RESOLUTION Settings
1Press any button on the front of the Monitor to display
the MONITOR SETUP OSD menu.
2Press the SUPER+ RESOLUTION button to display
the options in the OSD menu.
3 Settheoptionsbypressing◄or►buttons.
4Select EXIT to leave the OSD menu.
To return to the upper menu or set other menu items,
use the up arrow ( ) button.
The available SUPER+ RESOLUTION settings are described below.
Menu Description
NORMAL Select this option for everyday viewing. SUPER+ RESOLUTION is turned off
in this mode.
LOW Select this option for viewing natural and soft images.
It is suitable for still images or video with little movement.
MEDIUM Select this option for eye-comforting viewing between LOW and HIGH modes.
It is suitable for UCC and SD videos.
HIGH Select this option for viewing vivid and clear images.
It is suitable for high resolution videos and games.
ySR (SUPER+ RESOLUTION) will help remove noise from video.
NOTE
EXIT
OK
SUPER+ RESOLUTION
EXIT
NORMAL LOW MEDIUM HIGH
VOLUME Settings (Only supported in HDMI)
1Press any button on the front of the Monitor to display the
MONITOR SETUP OSD menu.
2Press the VOLUME button to display the options in the OSD
menu.
3Adjust the VOLUMEbypressing◄or►buttons.
4Select EXIT to leave the OSD menu.
To return to the upper menu or set other menu items, use the up
arrow ( ) button.
VOLUME
EXIT
30
EXIT

18
ENG
ENGLISH
CUSTOMIZING SETTINGS
DUAL MONITOR Settings
1Press any button on the front of the Monitor to display the
MONITOR SETUP OSD menu.
2
Press the DUAL button to display the options in the OSD menu.
3 Settheoptionsbypressing▼andthen◄and►buttons.
4Select EXIT to leave the OSD menu.
To return to the upper menu or set other menu items, use the
up arrow ( ) button.
DUAL WEB Settings
1Press any button on the front of the Monitor to display the
MONITOR SETUP OSD menu.
2
Press the DUAL button to display the options in the OSD menu.
3 Settheoptionsbypressing▼andthen◄and►buttons.
4Select EXIT to leave the OSD menu.
To return to the upper menu or set other menu items, use the up
arrow ( ) button.
The available DUAL MONITOR settings are described below.
The available DUAL WEB settings are described below.
Menu Description
DUAL WEB ON
Automatically arranges (snaps) web pages to each half of the screen.
OFF Turns the DUAL WEB feature off.
EXIT
EXIT
DUAL PACKAGE ►DUAL MONITOR
DUAL PACKAGE ►DUAL WEB
OFF EXTENDED CLONE
ON OFF
Menu Description
DUAL MONITOR OFF Turns the DUAL MONITOR feature off.
EXTENDED Extends the desktop of the primary monitor to the secondary monitor.
CLONE Shows the same video on both monitors.
EXIT
yWhen the monitor is in power saving mode, pressing any button and then selecting DUAL, the monitor
will return to normal operation.
yThe Dual Package program provided with the monitor should be installed on the PC to use the DUAL
MONITOR and DUAL WEB functions.
NOTE

19
ENG
ENGLISH
TROUBLESHOOTING
yCheck Control Panel ► Display ► Settings and see if the frequency or the resolution were
changed. If yes, readjust the video card to the recommend resolution.
yIf the recommended resolution (optimal resolution) is not selected, letters may be blurred and the
screen may be dimmed, truncated or biased. Make sure to select the recommend resolution.
yThe setting method can differ by computer and O/S (Operating System), and resolution mentioned
above may not be supported by the video card performance. In this case, please ask to the computer
or the video card manufacturer.
CAUTION
TROUBLESHOOTING
Check the following before calling for service.
No image appears
Is the power cord of the display
connected?
yCheck and see if the power cord is connected properly to the power
outlet.
Is the power indicator light on?
yPress the Power button.
Is the power indicator blink?
yIf the display is in power saving mode, try moving the mouse or
pressing any key on the keyboard to bring up the screen.
yTry to turn on the PC.
Do you see an "OUT OF RANGE"
message on the screen?
yThis message appears when the signal from the PC (video card) is
out of horizontal or vertical frequency range of the display. See the
'Specifications' section of this manual and configure your display
again.
Do you see a "CHECK SIGNAL
CABLE" message on the screen?
yThis message appears when the signal cable between your PC and
your display is not connected. Check the signal cable and try again.
Do you see a "OSD LOCKED" message on the screen?
Do you see “OSD LOCKED” when
you push Left First Button?
yYou can secure the current control settings, so that they cannot be
inadvertently changed. You can unlock the OSD controls at any time
by pushing the left first button for several seconds: the message “OSD
UNLOCKED” will appear.
Display image is incorrect
Display Position is incorrect.
yPress the AUTO button to automatically adjust your display image to
the ideal setting.
On the screen background, vertical
bars or stripes are visible.
yPress the AUTO button to automatically adjust your display image to
the ideal setting.
Any horizontal noise appearing in
any image or characters are not
clearly portrayed.
yPress the AUTO button to automatically adjust your display image to
the ideal setting.
yCheck Control Panel ► Display ► Settings and adjust the display
to the recommended resolution or adjust the display image to the ideal
setting. Set the color setting higher than 24 bits (true color).

20
ENG
ENGLISH
TROUBLESHOOTING
Display image is incorrect
The screen color is mono or
abnormal.
yCheck if the signal cable is properly connected and use a screwdriver
to fasten if necessary.
yMake sure the video card is properly inserted in the slot.
ySet the color setting higher than 24 bits (true color) at Control Panel
►Settings.
The screen blinks.
yCheck if the screen is set to interlace mode and if yes, change it to the
recommend resolution.
Do you see an "Unrecognized monitor, Plug&Play (VESA DDC) monitor found" message?
Have you installed the display
driver?
yA Windows display driver is included on the CD. Or, you can also
download the driver from our web site: http://www.lg.com.
yMake sure to check if the video card supports Plug&Play function.
The Audio function is not working
Picture OK & No sound.
yCheck whether volume is "0".
yCheck sound muted.
yHDMI cable installed properly.
yHead phone cable installed properly.
yCheck sound format. Not support to compressed sound format.