ENGLISH
www.lg.com
OWNER’S MANUAL
LED LCD MONITOR TV
LED LCD MONITOR TV MODELS
Please read this manual carefully before operating
your set and retain it for future reference.
M1950A
M2550A
CONTENTS
CONTENTS
2
PREPARATION
FRONT PANEL CONTROLS ..............................4
BACK PANEL INFORMATION ............................5
STAND INSTALLATION ......................................6
DETACHING STAND ..........................................7
DETACHING STAND BODY ...............................8
WALL MOUNT: HORIZONTAL INSTALLATION ..9
DESKTOP PEDESTAL INSTALLATION ...........10
POSITIONING YOUR DISPLAY .......................11
LOCATION ........................................................11
KENSINGTON SECURITY SYSTEM ...............12
EXTERNAL EQUIPMENT SETUP
ANTENNA CONNECTION ................................13
HD RECEIVER SETUP
When connecting with a component cable ..14
Connecting a set-top box with a HDMI cable ..15
DVD SETUP
Connecting with a component cable ...........16
Connecting with a HDMI cable ....................17
VCR SETUP
Connecting with a RF cable ........................18
Connecting with a RCA cable ......................18
OTHER A/V SOURCE SETUP .........................19
PC SETUP
When connecting with a D-sub 15 pin cable ..20
BACK COVER FOR WIRE ARRANGEMENT ..21
SUPPORTED DISPALY RESOLUTION ...........22
WATCHING TV / CHANNEL CONTROL
REMOTE CONTROL KEY FUNCTIONS ..........23
TURNING ON THE SET ...................................25
INSTALLATION GUIDE .....................................25
CHANNEL SELECTION ....................................25
VOLUME ADJUSTMENT ..................................25
ON SCREEN MENUS SELECTION AND
ADJUSTMENT ..................................................26
AUTO TUNING..................................................27
MANUAL TUNING.............................................28
FAVORITE CHANNEL ......................................29
PICTURE CONTROL
PICTURE SIZE (ASPECT RATIO) CONTROL ...30
PRESET PICTURE SETTINGS ........................31
MANUAL PICTURE ADJUSTMENT .................32
PICTURE RESET .............................................35
SCREEN SETUP (RGB [PC] mode only)
AUTO CONFIGURE ....................................36
MANUAL CONFIGURE
(Adjustment for screen Position) .................37
RESET (Recover to factory setting) ............38
SELECTING RESOLUTION ........................39
SOUND CONTROL
PRESET SOUND SETTINGS
- SOUND MODE ...............................................40
SOUND SETTING ADJUSTMENT
- USER MODE ..................................................41
AUTO VOLUME ................................................42
BALANCE ..........................................................43
AUDIO RESET ..................................................44
CONTENTS
3
TIME SETTING
CLOCK SETUP .................................................45
AUTO ON/OFF TIMER SETTING ....................46
SLEEP TIMER SETTING ..................................47
AUTO SLEEP ....................................................48
OPTION SETTING
ON-SCREEN MENU LANGUAGE SELECTION ..49
KEY LOCK ........................................................50
CAPTION/TEXT ................................................51
DDC-CI(Only RGB) ...........................................52
POWER INDICATOR ........................................53
MODE SETTING ...............................................54
FACTORY RESET ............................................55
APPENDIX
TROUBLE SHOOTING .....................................56
MAINTENANCE ................................................58
PRODUCT SPECIFICATIONS
<M1950A> ...................................................59
<M2550A> ...................................................60
LICENSES .........................................................61
4
PREPARATION
PREPARATION
FRONT PANEL CONTROLS
■ This is a simplified representation of the side panel. The image shown may be somewhat different
from your set.
1
5
3
7
2
6
4
8
1
76532 4
Remote Control Sensor
INPUT Button
MENU Button
ENTER Button
VOLUME Button
CHANNEL Button
Power Button
Power Indicator
Lighting On: Turned on
Lighting Off: Turned off
Note: You can adjust Power indicator in the OPTION menu.
8
DC - IN
ANTENNA /
CABLE IN
VIDEO
VIDEO
Y P
B
P
R
L R
AUDIO
(MONO) L -
AUDIO
- R
H / P
AV IN
COMPONENT IN
AUDIO
IN
(RGB)
HDMI IN
RGB IN (PC)
5
PREPARATION
BACK PANEL INFORMATION
■ This is a simplified representation of the back panel. The image shown may be somewhat different
from your set.
DC ADAPTER PORT
Connect to the power jack.
HDMI INPUT
Connect a HDMI signal to HDMI IN.
Or DVI (VIDEO) signal to HDMI IN with DVI to
HDMI cable.
RGB AUDIO INPUT
Connect the audio from a PC.
HEADPHONE SOCKET
Plug the headphone into the headphone socket.
RGB INPUT (PC)
Connect the output from a PC.
COMPONENT INPUT
Connect a component video/audio device to
these jacks.
AV(AUDIO/VIDEO) INPUT
Connect audio/video output from an external
device to these jacks.
ANTENNA / CABLE INPUT
Connect over-the-air signals to this jack.
1
1
5
6
7
8
2
3
4
86
2 3 4
5 7
6
PREPARATION
PREPARATION
STAND INSTALLATION
■ The image shown may be somewhat different from your set.
Carefully place the product screen side down on a
cushioned surface that will protect the set and its
screen from damage.
Insert the Stand Base into the product.
Use a Coin on the bottom of the stand base
and turn the screw clockwise to tighten.
1
2
3
Stand Base
Coin
7
PREPARATION
DETACHING STAND
■ The image shown may be somewhat different from your set.
1
2
3
Place the set screen side down on a cushion
or soft cloth.
Detach the stand base from the set by turning the
screw to the left with a Coin.
Pull the Stand Base.
Stand Base
Coin
8
PREPARATION
PREPARATION
DETACHING STAND BODY
■ The image shown may be somewhat different from your set.
■ Remove the Stand Body in the same way as the following when using it as a Wall Hook.
1. Remove the screw 2 point.
2. Pull the stand body.
9
PREPARATION
WALL MOUNT: HORIZONTAL INSTALLATION
For proper ventilation, allow a clearance of 10 cm on each side and from the wall. Detailed installation
instructions are available from your dealer, see the optional Tilt Wall Mounting Bracket Installation and
Setup Guide.
If you intend to mount the set to a wall, attach Wall mounting interface (optional parts) to the back of the set.
When you install the set using the wall mounting interface (optional parts), attach it carefully so it will not drop.
1. Be sure to use screws and a wall mount that meet VESA standards.
2. Using screws longer than those recommended might damage the product.
3. Using screws that do not meet VESA standards might either damage the product or result in it com-
ing away from the wall. We will not be held responsible for any damage resulting from failure to
follow these instructions.
4. VESA compatible only with respect to screw mounting
interface dimensions and mounting screw specifications.
5. Please use VESA standard as below.
5-1) 784.8 mm (30.9 inch) and under
* Wall Mount Pad Thickness : 2.6 mm
* Screw : Φ 4.0 mm x Pitch 0.7 mm x Length 10 mm
5-2) 787.4 mm (31.0 inch) and above
* Please use VESA standard wall mount pad and screws.
Wall Mount Pad
■ The image shown may be somewhat different from your set.
10 cm
10 cm
10 cm
10 cm10 cm
< Screw Mounting Interface Dimensions >
Model M1950A M2550A
VESA ( A x B) 75 x 75 200 x 100
Wall mount
bracket(optional)
RW120 RW240
10
PREPARATION
PREPARATION
DESKTOP PEDESTAL INSTALLATION
For proper ventilation, allow a clearance of 10 cm on each side and from the wall.
10 cm
10 cm
10 cm 10 cm
11
PREPARATION
LOCATION
When adjusting the angle of the screen, do not put your finger(s) in between the head of the moni-
tor and the stand body or woofer. You can hurt your finger(s).
Position your set so that no bright light or sunlight falls directly onto the screen. Care should be taken
not to expose the set to any unnecessary vibration, moisture, dust or heat. Also, ensure that the set is
placed in a position to allow a free flow of air. Do not cover the ventilation openings on the back cover.
WARNING
POSITIONING YOUR DISPLAY
■ The image shown may be somewhat different from your set.
Adjust the position of the panel in various ways for maximum comfort.
* Tilt range
-5° 10°
12
PREPARATION
PREPARATION
KENSINGTON SECURITY SYSTEM
- The product is equipped with a Kensington Security System connector on the back panel. Connect the
Kensington Security System cable as shown below.
- For detailed installation and use of the Kensington Security System, refer to the user’s guide provided
with the Kensington Security System.
- For further information, visit http://www.kensington.com. Kensington sells security systems for expen-
sive electronic equipment such as notebook PCs and LCD projectors.
NOTE
- The Kensington Security System is an optional accessory.
NOTES
a. If the product feels cold to the touch, there may be a small “flicker” when it is turned on.
This is normal, there is nothing wrong with product.
b. Some minute dot defects may be visible on the screen, appearing as tiny red, green, or blue spots.
However, they have no adverse effect on the monitor’s performance.
c. Avoid touching the LCD screen or holding your finger(s) against it for long periods of time.
Doing so may produce temporary distortions on the screen.
13
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
A
U
DI
O
IN
(
RGB
)
H
/
P
H
DMI I
N
R
GB IN (PC)
ANTENNA
/
C
ABLE I
N
ANTENNA /
CABLE IN
VIDEO
Y P
B
P
R
L R
AUDIO
COMPONENT IN
VIDE
O
(MONO) L -
A
U
DI
O
- R
AV
IN
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI IN
R
GB IN
(
PC
)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
C
O
MP
O
NENT I
N
VIDE
O
(MONO) L -
AUDI
O
- R
AV
IN
A
U
DI
O
IN
(
RGB
)
H
/
P
H
DMI I
N
R
GB IN (PC)
ANTENNA
/
C
ABLE I
N
ANTENNA /
CABLE IN
VIDEO
Y P
B
P
R
L R
AUDIO
COMPONENT IN
VIDE
O
(MONO) L -
A
U
DI
O
- R
AV
IN
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI IN
R
GB IN
(
PC
)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
C
O
MP
O
NENT I
N
VIDE
O
(MONO) L -
AUDI
O
- R
AV
IN
ANTENNA CONNECTION
■ To prevent damage do not connect to the mains outlet until all connections are made between the devices.
■ For optimum picture quality, adjust antenna direction.
■ An antenna cable and converter are not included with the SET.
Multi-family Dwellings / Apartments
(Connect to wall antenna socket)
Wall
Antenna
Socket
Outdoor
Antenna
Antenna
Signal
Amplifier
UHF
VHF
Single-family Dwellings / Houses
(Connect to wall jack for outdoor antenna)
RF Coaxial Wire (75 Ω)
■ In poor signal areas, to get better picture quality, install a signal amplifier to the antenna as shown above.
■ If signal needs to be split for two sets, use an antenna signal splitter for connection.
14
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
HD RECEIVER SETUP
When connecting with a component cable
■ To avoid damaging any equipment, never plug in any power cords until you have finished connecting
all equipment.
■ The image shown may be somewhat different from your set.
Connect the video outputs (Y, PB, PR) of the digital
set-top box to the COMPONENT IN VIDEO jacks on
the set.
Connect the audio output of the digital set-top box
to the COMPONENT IN AUDIO jacks on the set.
Turn on the digital set-top box. (Refer to the owner’s
manual for the digital set-top box.)
Select COMPONENT input source using the INPUT
button on the remote control.
1
2
3
4
A
U
DI
O
IN
(
RGB
)
H
/
P
H
DMI I
N
R
GB IN (PC)
ANTENNA
/
C
ABLE I
N
ANTENNA /
CABLE IN
VIDEO
Y P
B
P
R
L R
AUDIO
COMPONENT IN
VIDE
O
(MONO) L -
A
U
DI
O
- R
AV
IN
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI IN
R
GB IN
(
PC
)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
C
O
MP
O
NENT I
N
VIDE
O
(MONO) L -
AUDI
O
- R
AV
IN
1
2
Signal HDMI
480i / 576i O
480p / 576p O
720p O
1080i / 1080p O
Support resolution
15
EXTERNAL EQUIPMENT SETUP
Signal Component
480p / 576p O
720p O
1080i / 1080p O
Connecting a set-top box with a HDMI cable
Connect the HDMI output of the digital set-top box
to the HDMI IN jack on the set.
Select HDMI input source using the INPUT button
on the remote control.
Turn on the digital set-top box. (Refer to the owner’s
manual for the digital set-top box.)
1
2
3
NOTE
!
?
!
?
►Set can receive the video and audio signal simultaneously with using a HDMI cable.
►If the digital set-top box supports Auto HDMI function, the output resolution of the source device
will be automatically
set
to 1920 x 1080p.
►Check out the resolution setting of external device is 1920 X 1080P for getting best picture
quality.
►We recommend less than 10 m for HDMI cable.
►Check that your HDMI cable is High Speed HDMI Cable. If the HDMI cables are not High
Speed HDMI Cable, flickering or no screen display can result. Please use the High Speed
HDMI Cable.
A
U
DI
O
IN
(
RGB
)
H
/
P
H
DMI I
N
R
GB IN (PC)
ANTENNA
/
C
ABLE I
N
ANTENNA /
CABLE IN
VIDEO
Y P
B
P
R
L R
AUDIO
COMPONENT IN
VIDE
O
(MONO) L -
A
U
DI
O
- R
AV
IN
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI IN
R
GB IN
(
PC
)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
C
O
MP
O
NENT I
N
VIDE
O
(MONO) L -
AUDI
O
- R
AV
IN
1
Support resolution
16
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
1
2
3
4
5
DVD SETUP
Connecting with a component cable
Connect the video outputs (Y, PB, PR) of the DVD
to the COMPONENT IN VIDEO jacks on the set.
Connect the audio outputs of the DVD to the
COMPONENT IN AUDIO jacks on the set.
Turn on the DVD player, insert a DVD.
Select Component using the INPUT on the remote
control.
Refer to the DVD player’s manual for operating
instructions.
Port matching
Connect between the port of TV and the port of DVD, As below chart.
Port name of this set Y P
B
P
R
Port name of DVD
Y P
B
P
R
Y B-Y R-Y
Y Cb Cr
Y Pb Pr
A
U
DI
O
IN
(
RGB
)
H
/
P
H
DMI I
N
R
GB IN (PC)
ANTENNA
/
C
ABLE I
N
ANTENNA /
CABLE IN
VIDEO
Y P
B
P
R
L R
AUDIO
COMPONENT IN
VIDE
O
(MONO) L -
A
U
DI
O
- R
AV
IN
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI IN
R
GB IN
(
PC
)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
C
O
MP
O
NENT I
N
VIDE
O
(MONO) L -
AUDI
O
- R
AV
IN
1 2
17
EXTERNAL EQUIPMENT SETUP
Connecting with a HDMI cable
Connect the HDMI output of the DVD to the HDMI
IN jack on the set.
Select HDMI input source using the INPUT button
on the remote control.
Refer to the DVD player’s manual for operating
instructions.
1
2
3
NOTE
!
?
!
?
►Set can receive the video and audio signal simultaneously with using a HDMI cable.
►If the digital set-top box supports Auto HDMI function, the output resolution of the source device
will be automatically set to 1920 x 1080p.
►If the digital set-top box player does not support Auto HDMI, you need to set the output resolu-
tion appropriately.
►To get the best picture quality, adjust the output resolution of the source device to 1920 x 1080p .
►We recommend less than 10 m for HDMI cable.
►Check that your HDMI cable is High Speed HDMI Cable. If the HDMI cables are not High
Speed HDMI Cable, flickering or no screen display can result. Please use the High Speed
HDMI Cable.
A
U
DI
O
IN
(
RGB
)
H
/
P
H
DMI I
N
R
GB IN (PC)
ANTENNA
/
C
ABLE I
N
ANTENNA /
CABLE IN
VIDEO
Y P
B
P
R
L R
AUDIO
COMPONENT IN
VIDE
O
(MONO) L -
A
U
DI
O
- R
AV
IN
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI IN
R
GB IN
(
PC
)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
C
O
MP
O
NENT I
N
VIDE
O
(MONO) L -
AUDI
O
- R
AV
IN
1
18
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI
IN
R
GB IN (PC)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
COMPONENT I
N
VIDEO
(MONO) L - AUDIO - R
AV IN
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI
IN
RGB IN (PC)
ANTENNA /
CABLE IN
VIDE
O
Y
P
B
P
R
L
R
AUDIO
C
O
MP
O
NENT I
N
VIDE
O
(MONO) L -
AUDI
O
- R
AV
IN
OUTPUT
SWITCH
ANT IN
R
S-VIDEO VIDEO
ANT OUT
L
L
R
S-VIDEO
VIDEO
OUTPUT
SWITCH
ANT IN
ANT OUT
Connecting with a RCA cable
Connect the AUDIO / VIDEO jacks between SET
and VCR. Match the jack colors (Video = yellow,
Audio Left = white, and Audio Right = red)
Insert a video tape into the VCR and press PLAY.
(Refer to the VCR owner’s manual.)
Select AV input source using the INPUT button on
the remote control.
Connect the ANT OUT socket of the VCR
to the ANTENNA IN socket on the set.
Connect the antenna cable to the ANT
IN socket of the VCR.
Press the PLAY button on the VCR and
match the appropriate program between
the SET and VCR for viewing.
1
1
1
2
2
2
3
3
VCR SETUP
Connecting with a RF cable
■ To avoid picture noise (interference), allow adequate distance between the VCR and SET.
Wall Jack
Antenna
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI
IN
R
GB IN (PC)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
COMPONENT I
N
VIDEO
(MONO) L - AUDIO - R
AV IN
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI
IN
RGB IN (PC)
ANTENNA /
CABLE IN
VIDE
O
Y
P
B
P
R
L
R
AUDIO
C
O
MP
O
NENT I
N
VIDE
O
(MONO) L -
AUDI
O
- R
AV
IN
OUTPUT
SWITCH
ANT IN
R
S-VIDEO VIDEO
ANT OUT
L
L
R
S-VIDEO
VIDEO
OUTPUT
SWITCH
ANT IN
ANT OUT
1
19
EXTERNAL EQUIPMENT SETUP
Connect the AUDIO / VIDEO jacks between SET and external equipment. Match the jack
colors. (Video = yellow, Audio Left = white, and Audio Right = red)
Select AV input source using the INPUT button on the remote control.
If connected to AV IN, select AV input source.
Operate the corresponding external equipment. Refer to external equipment operating guide.
1
2
3
OTHER A/V SOURCE SETUP
Camcorder
Video Game Set
A
U
DI
O
IN
(
RGB
)
H
/
P
HDMI
IN
R
GB IN (PC)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
C
O
MP
O
NENT I
N
VIDEO
(MONO) L - AUDIO - R
AV IN
L R
VIDEO
1
20
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
PC SETUP
►Connect the signal input cable and tighten it by turning
the screws clockwise.
NOTE
!
?
!
?
►User must use VGA cable (D-sub 15 pin cable) with ferrite cores to maintain standard compli-
ance for the product.
When connecting with a D-sub 15 pin cable
Connect the signal cable from the monitor output
socket of the PERSONAL COMPUTER to the PC
input socket of the set.
Connect the audio cable from the PC to the AUDIO
IN (RGB) sockets of the set.
Press the INPUT button to select RGB PC.
Switch on the PC, and the PC screen appears on
the set. The set can be operated as a PC monitor.
1
2
3
4
AUDIO
IN
(RGB)
H
/
P
H
DMI I
N
RGB IN (PC)
ANTENNA
/
C
ABLE I
N
VIDE
O
Y
P
B
P
R
L
R
AUDIO
COMPONENT I
N
VIDE
O
(MONO) L -
A
U
DI
O
- R
AV
IN
RGB OUTPUT
AUDIO
21
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