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Commercial Digital Signage

LG 55PK640S (SCA)

SKU: 55PK640S (SCA)
In Stock
The LG 55PK640S (SCA) is a 55-inch UHD TV Signage solution, delivering superb picture quality with its 3,840 x 2,160 Ultra HD resolution and 300 nits brightness. Engineered for commercial environments, it supports 16 hours of daily operation and features a slim, space-saving design for easy installation. The display operates on the webOS smart signage platform, which, combined with the embedded Content and Group Management System, allows for easy editing, scheduling, and control of digital content via remote or mobile device. Compatibility with solutions like LG SuperSign CMS and Crestron Connected enhances its versatility for professional content deployment and integrated AV control.
Resolution 3,840 × 2,160 (UHD)
Brightness 300 nits
Backlight Life 30,000 Hrs, 16 Hrs / 7 Days
Response Time(G to G, ms) 8ms (typ.)
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LG TV Signage with Essential Function

A TV Signage is installed in the meeting room, clearly showing the same meeting materials as those on a laptop screen placed on the table.

Superb Picture Quality with Ultra HD Resolution

With the resolution that is 4 times higher than FHD, it makes the colors and details of the content more vivid and realistic.

 

Easily set the playlist and time scheduling with a remote controller using the display-embedded content management function. Group management is supervised through the Master display, Group 1, and Group 2 displays.
 

Content and Group Management

The embedded Content and Group Management System lets you easily edit and play content, set playlists, and control signage with a remote control, mouse, or mobile phone—no separate PC or software required. This makes content management straightforward and user-friendly.

The store manager is offering coupons to customers via Bluetooth. At the same time, menus are being promoted by mirroring a mobile phone screen to a display installed in the store via Wi-Fi. A PK640S is placed near the wall, and a woman is using a personal PC and mobile phone. This image shows that the signage can operate as a virtual router so that the PC and mobile phone can connect to the internet wirelessly.

 

Specifications

Design

Audio

  • Tool Name: BOE UA73
  • Stand Type: 2Pole
  • front color: Black
  • Speaker (sound output): 10W + 10W
  • Speaker System: 2.0 ch
  • LG Sound Sync: Yes(Bluetooth or Optic)

Display

Video

  • Inch: 55”
  • Resolution:3840 X 2160 (UHD)
  • Backlight Unit Type: Direct
  • Brightness: Typ. 300nit / Min. 260nit
  • Dynamic Contrast Ratio (Dynamic MCI (Hz)): 1,000,000:1
  • Static (Panel) Contrast Ratio: 1200:1(typ.)
  • Response Time(G to G, ms): 8ms (typ.)
  • Refresh Rate: 60Hz
  • Backlight Life: 30,000Hrs, 16Hrs/7Days
     
  • SoC: K25Lp
  • SoC (Marketing Name): Quad
  • HDR_HDR 10 Pro: Yes
  • HDR_HLG: Yes

Broadcasting System

Power

  • Digital (Terrestrial,Cable,Satellite): ISDB-T, DVB-T2DVB-T2
  • SDB-TAnalog (NTSC / SECAM / PAL): NTSC/PAL
  • Teletext (Auto Teletext): Yes
  • Global IPTV Support(IP Streaming): Yes
  • Power Supply (Voltage, Hz): AC 100~240V, 50-60Hz
  • Power Consumption(Max): 136W
  • Power Consumption(Typ): 113WS
  • tandby Power Consumption: Under 0.5W

Smart Function

Other Feature

  • webOS version: Yes (webOS25)
  • Gallery Mode: Yes
  • Quick Access: Yes
  • Web Browser: Yes
  • Pre-loaded App: Yes (YouTube only)
  • SDP Server compatibility: Yes
  • SW Clock (World Clock / Alarm): Yes
  • Mood Display: Yes
  • Soft AP: Yes
  • WiFi (Version): Yes (802. 11ac)
  • Screen Share (Miracast): Yes
  • Smart Share: Yes
  • DIAL: Yes
  • Bluetooth Audio Playback: Yes
  • Mobile Connection Overlay: Yes
  • HDMI-ARC: Yes (ARC, HDMI2)
  • USB Cloning: Yes
  • WOL / WOWL: Yes / No
  • SNMP: Yes
  • Diagnostics: Yes (Self Diagnostics (USB))
  • SI Compatible Protocol: Yes (TVLink Tuner)
  • HTNG-CEC: Yes
  • Simplink (HDMI-CEC): Yes(1.4)
  • IR Out: Yes (RS-232C Phone Jack type)
  • Multi IR Code: Yes 
  • Hotel Mode / PDM / Installer Menu: Yes
  • Lock mode: Yes (Limited)
  • Port Block: Yes
  • Welcome Video: Yes
  • Welcome Screen (Splash Image): Yes
  • Insert Image: Yes
  • IP Channel Manager: Yes
  • External Speaker Out: Yes(Audio Out with 3.5mm Phone Jack)
  • Moving Picture Playback (SD/HD/Plus HD): Yes
  • Auto Off / Sleep Timer: Yes/Yes
  • Energy Saving mode: Yes
  • Motion Eye Care: Yes

Vertical Function

Mechanic

  • Hybrid Caption (Closed Caption Digital Only): Yes
  • Vertical Setup: Yes
  • Fail Over: Yes
  • Play Via URL: Yes
  • Crestron Certi. Compatibility: Yes
  • DPM (Digital Power management): Yes
  • Time scheduler: Yes
  • NTP sync timer: Yes (Clock Setup)
  • BEACON: Yes
  • Embedded CM (contents manager): Yes
  • Embedded GM (Group manager): Yes
  • Control / Control Plus: Yes / Yes
  • CMS(Premium): Yes
  • Simple Editor: Yes
  • LG Connected Care: Yes
  • Set Side-HDMI In: 2 (2.0)
  • Set Side-USB: 1 (2.0)
  • Set Side-RS-232C(D-Sub 9pin / Phone jack): 1 (Phone Jack, 4pin)
  • Set Side-External Speaker Out(3.5mm phone jack): 1 (Audio Out)
  • Set Rear / Bottom-RF In: 1
  • Set Rear / Bottom-Digital Audio Out (Optical): 1
  • Set Rear / Bottom-RJ45 (Usage Purpose): 1(LAN)
  • Weight without Stand:10.2kg
  • Weight with Stand:10.4kg
  • Weight in Shipping: 13.7kg
  • Size without Stand: 1226mm*711mm*59.8mm
  • Size with Stand: 1226mm*766mm*275mm
  • Size in Shipping: 1380mm*825mm*118mm
  • Bezel Width (L/R/U/B)On Bezel: 8.2mm/8.2mm/8.2mm/17.5mm
  • Bezel Width (L/R/U/B) Off Bezel:6.9mm/6.9mm/6.9mm/1.3mm

     

Required Listing(Certification)

Accessory

  • Safety: CB, CU, TR
  • EMC: CE
  • Remote type: L-conAKB76045804
  • Power Cable: Yes (Attached, 1.5M)
  • RS232C to phone jack cable: Yes

ETC

 
  • VESA Compatible Yes: 200mm*300mm
 

 

FAQs:

 

1. Is the LG 55PK640S a 4K or Full HD display?

The LG 55PK640S features Full HD (1920 x 1080p) resolution. While 4K is common in consumer TVs, this commercial model is optimized for 1080p to ensure maximum reliability and lower data bandwidth for digital signage networks. It is a cost-effective solution for sports bars and lobbies where standard HD cable or satellite feeds are the primary content source.

2. Can the LG 55PK640S be used for 24/7 operation?

No. The LG 55PK640S is officially rated for 16/7 operation (16 hours a day, 7 days a week). This rating makes it significantly more durable than a standard household TV—which is usually designed for only 6–8 hours of daily use—but it should be powered down overnight to maintain panel longevity and prevent image retention.

3. What is "Public Display Mode" on the LG 55PK640S?

Public Display Mode is a professional feature that allows businesses to maintain control over the TV in public spaces. It allows you to lock the menu system, set volume limits, or force the TV to always turn on to a specific channel or "Welcome Screen" logo. This prevents customers or unauthorized users from changing settings in restaurants or waiting rooms.

4. Does the LG 55PK640S support USB digital signage?

Yes. This model features a built-in media player with USB Content Scheduling. You can play and loop promotional videos, images, and audio directly from a USB drive without needing an external PC or media player. It also allows you to create a playback schedule so your content changes automatically throughout the day.

5. How do I set up multiple LG 55PK640S units quickly?

This model supports USB Cloning, which is a major benefit for large-scale installations. Instead of manually configuring every TV, you can set the channel list, picture settings, and volume limits on one unit, export those settings to a USB drive, and "copy-paste" them onto every other 55PK640S in your building in seconds.

6. Can this TV be managed remotely by an IT department?

Yes. The LG 55PK640S is Crestron Connected® certified and supports WOL (Wake-on-LAN) and SNMP. These protocols allow IT managers to integrate the display into professional AV control systems and monitor the health of the units or power them on and off remotely over the local area network (LAN).

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