LED HD LJ4540 24″ (2017)

LG 24LJ4540

Full specifications, official manuals and how to use your phone as the remote for this LG TV.

Screen
24″
Resolution
HD
Year
2017
Line
LED
System
webOS 3.5

Does the 24LJ4540 work with RemotApp?

If this unit is a Smart TV, RemotApp controls it over Wi-Fi (webOS 3.5). Basic versions without Wi-Fi can be controlled by infrared from Android phones with an IR blaster.

  • Remote over Wi-Fi Yes
  • Infrared (Android with IR) Yes
  • Send photos and videos Yes
  • Turn on from the phone Yes

Protocol: LG webOS (SSAP 3000/3001)

What the code 24LJ4540 means

TV model codes follow the maker’s naming rules. Reading it piece by piece:

  1. 24Screen size in inches
  2. LJ4540Series (2017 line) · LED

24LJ4540 specifications

Display

Display diagonal59.9 cm (23.6")
Display resolution1366 x 768 pixels
HD typeWXGA
Native aspect ratio16:9
TouchscreenNo
Display brightness (typical)180 cd/m²
Response time14 ms
Screen shapeFlat
Supported graphics resolutions640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1366 x 768
Aspect ratio4:3, 16:9
Contrast ratio (typical)1000:1
Contrast ratio (dynamic)5000000:1
Viewing angle, horizontal178°
Viewing angle, vertical178°
Display number of colours16.78 million colours
Pixel pitch0.38175 x 0.38175 mm
Colour gamut72%
3DNo

Multimedia

Number of speakers2
RMS rated power6 W
Built-in speaker(s)Yes
Built-in cameraNo

Design

Product colourBlack

Ports & interfaces

DVI portNo
HDMI ports quantity1
HDCPYes
DC-in jackYes

Ergonomics

VESA mountingYes
Panel mounting interface75 x 75 mm
Cable lock slotNo
Height adjustmentNo

Power

Power consumption (typical)26 W
Power consumption (off)0.5 W
Power consumption (PowerSave)1 W
AC input voltage100 - 240 V

Operational conditions

Operating temperature (T-T)0 - 40 °C
Storage temperature (T-T)-20 - 60 °C
Operating relative humidity (H-H)0 - 80%
Storage relative humidity (H-H)0 - 85%

Weight & dimensions

Width (with stand)556.2 mm
Depth (with stand)147.3 mm
Height (with stand)386 mm
Weight (with stand)3.4 kg
Width (without stand)556.2 mm
Depth (without stand)53.3 mm
Height (without stand)345.4 mm
Weight (without stand)3.22 kg

Packaging content

Remote control includedYes

Other features

On/off switchYes
Analog signal format systemNTSC
Digital signal format systemATSC
Picture modeVivid/ Standard/ APS/ Cinema/Sport/Game/Expert1/ Expert2
No flickeringYes
On/Off timerYes
Supplied AC adapter typeLED

Thin Client

Thin client installedNo

Technical data: Open Icecat and the manufacturer. Check the official page before buying; specs can vary by batch and market.

How to control the 24LJ4540 with your phone

  1. Connect your phone to the same Wi-Fi network as the TV. (Not the guest network.)
  2. Turn the TV on and install RemotApp on your phone.
  3. Open RemotApp. It finds the TVs on your network by itself; tap your LG TV.
  4. The TV shows a connection request from RemotApp. Select “Accept”.
  5. Tap Volume + to test. That’s it: your phone is now the remote.

Full guide for LG TVs, with fixes when it won’t connect

Turning the 24LJ4540 on without the remote

Turn on “Mobile TV On” (or “Turn on via Wi-Fi”), usually under Settings › General › Devices. The TV then accepts a wake-up signal from your phone while in standby.

Questions about the 24LJ4540

Can I control the LG 24LJ4540 with my phone?

If this unit is a Smart TV, RemotApp controls it over Wi-Fi (webOS 3.5). Basic versions without Wi-Fi can be controlled by infrared from Android phones with an IR blaster.

What year is the LG 24LJ4540?

The 24LJ4540 is part of LG’s 2017 line (LED LJ4540).

What operating system does the 24LJ4540 use?

The 24LJ4540 runs webOS 3.5.

How many HDMI ports does the 24LJ4540 have?

The 24LJ4540 has 1 HDMI ports.

Turning the 24LJ4540 on without the remote

Turn on “Mobile TV On” (or “Turn on via Wi-Fi”), usually under Settings › General › Devices. The TV then accepts a wake-up signal from your phone while in standby.