LG 75PK640S 75" 4K UHD Commercial TV Signage, webOS 25, HDR10 Pro, Wi-Fi
PRODUCT DESCRIPTION
LG 75PK640S 75" 4K UHD TV Signage (75PK640S) - 3 Years Local Warranty
LG TV Signage with Essential Functions
The LG 75PK640S is the 75-inch model in LG's PK640S UHD TV Signage series — a commercial TV that brings together broadcast tuning, webOS smart features and basic signage tools for retail, corporate and hospitality spaces.
4K UHD Picture with HDR10 Pro
A 3,840 x 2,160 direct-lit panel delivers four times the resolution of Full HD, with HDR10 Pro and HLG support. LG lists brightness of 300 nits (max.) / 260 nits (typ.).
webOS 25 with Built-In Content Tools
LG webOS 25 runs an embedded Content Manager and Group Manager, Play via URL, Time Scheduler and Beacon-based real-time promotion. Miracast Screen Share and Soft AP let mobile devices connect directly.
Managed Centrally
The PK640S is compatible with LG SuperSign CMS (Premium), SuperSign Control / Control Plus and Simple Editor, and with LG ConnectedCare, an optional cloud service for remote monitoring, fault diagnosis and remote control.
Need help choosing a size for a lobby, meeting room or guest room? Email sales@sourceit.com.sg with your viewing distance and use case, and we will recommend the right model.
LG 75PK640S Datasheet — Technical Specifications
General
| Product Name | LG 75PK640S 75" UHD TV Signage |
| Part Number | 75PK640S |
| Series | PK640S UHD TV Signage |
| Local Warranty (Singapore) | 3 years on-site, supplied by SourceIT with a GST invoice |
Display
| Screen Size | 75" |
| Native Resolution | 3,840 x 2,160 (4K UHD), 60 Hz |
| Backlight | Direct |
| Brightness | 300 nits (max.) / 260 nits (typ.) |
| Contrast Ratio | 1,200:1 (typ.); dynamic 1,000,000:1 |
| Response Time | 8 ms (G to G, typ.) |
| HDR | HDR10 Pro / HLG |
| Backlight Life | 30,000 hours (16 hrs / 7 days) |
| SoC | K25Lp (Quad) |
Smart / Signage & Hospitality Features
| Platform | LG webOS 25 |
| Smart Features | Smart Home (Launcher Bar), Quick Access, web browser, pre-loaded app (YouTube only), SDP server compatibility, SW Clock, Mood Display, Soft AP, Screen Share (Miracast), Smart Share, DIAL, Bluetooth audio playback, Mobile Connection Overlay |
| Signage (Corporate / Retail) | Vertical Setup, Fail Over, Play via URL, Crestron certified compatibility, DPM (Digital Power Management), Time Scheduler, NTP Sync Timer, BEACON, embedded Content Manager, embedded Group Manager |
| Hospitality / Other | USB Cloning, WOL, SNMP, self diagnostics (USB), SI compatible protocol (TV Link Tuner), HTNG-CEC, Simplink (HDMI-CEC 1.4), IR Out (RS-232C phone jack type), Multi IR Code, Hotel Mode / PDM / Installer Menu, Lock Mode (limited), Port Block, Welcome Video, Welcome Screen, Insert Image, IP Channel Manager, Auto Off / Sleep Timer, Energy Saving Mode, Motion Eye Care |
| Broadcasting | Digital DVB-T2, analog PAL, Teletext, Global IPTV support (IP streaming) |
Connectivity
| Inputs / Ports | HDMI In x 2 (HDMI 2.0; HDMI-ARC on HDMI 2), USB 2.0, RF In (side), RJ45 (LAN), RS-232C (phone jack) — listed on LG Singapore |
| Outputs | Digital audio out (optical), External speaker out (3.5 mm phone jack, rear) |
| Wireless | Wi-Fi (802.11ac), Bluetooth |
Audio
| Speaker System | 2.0 ch, 10 W + 10 W |
| LG Sound Sync | Yes (Bluetooth or optical) |
Mechanical
| Front Colour | Black |
| Stand Type | 2 poles |
| Bezel Width, On (L/R/U/B) | 9.4 / 9.4 / 9.4 / 18 mm |
| Bezel Width, Off (L/R/U/B) | 7.3 / 7.3 / 7.3 / 2.5 mm |
| Dimensions / Weight (with stand) | 1,668 x 1,031 x 344 mm / 24 kg |
| Dimensions / Weight (without stand) | 1,668 x 960 x 59.8 mm / 23.5 kg |
| Shipping Dimensions / Weight | 1,875 x 1,150 x 175 mm / 33.6 kg |
| VESA Mount | 300 x 300 mm |
Power
| Power Supply | AC 100–240 V, 50–60 Hz |
| Power Consumption | 201 W max. / 170 W typ. |
| Standby Power | Under 0.5 W |
Certifications
| Safety | CB, CU TR |
| EMC | CE |
Compatibility & Software Support
Platform
LG webOS 25 (upgraded SoC and web engine on the PK640S series, per LG) with an embedded Content Manager and Group Manager for editing content, setting playlists and controlling the screen with a remote, mouse or mobile phone.
LG Software
| SuperSign Control / Control Plus | Yes |
| SuperSign CMS (Premium) | Yes |
| SuperSign Simple Editor | Yes |
| LG ConnectedCare | Yes (optional cloud service) |
Control & Integration
Crestron certified compatibility, SNMP, Wake on LAN, RS-232C control, HTNG-CEC and Simplink (HDMI-CEC 1.4), IR out and Multi IR Code, USB cloning, Hotel Mode / PDM / Installer Menu.
Package Contents & PK640S Series Ordering Information
In the Box
Remote controller (L-Con, AKB75095376), power cable (2 m), RS-232C to phone jack cable.
Mounting
VESA 300 x 300 mm. Wall brackets and installation are not included in the price.
PK640S Series Models
| Size | Part No. |
| 43" | 43PK640S |
| 50" | 50PK640S |
| 55" | 55PK640S |
| 65" | 65PK640S |
| 75" (this listing) | 75PK640S |
| 86" | 86PK640S |
Datasheet & Downloads
| LG product page (Singapore) | 75PK640S on lg.com/sg |
| LG spec sheet and datasheet (PDF) | 75PK640S on LG Commercial Display |
| Manuals | LG Business manual download |
Need a PDF sent directly? Email sales@sourceit.com.sg quoting 75PK640S.
Frequently Asked Questions — LG 75PK640S
Is it rated for 24/7 operation?
No. LG rates the PK640S backlight life at 30,000 hours on a 16 hours/day, 7 days/week basis. For round-the-clock signage, consider LG's UH5Q-E or UL3Q-E standard signage.
Can it play content without a PC or media player?
Yes. webOS 25 includes an embedded Content Manager with Time Scheduler, Play via URL and USB playback, and it works with LG SuperSign CMS (Premium) and SuperSign Control / Control Plus.
Can it be used in hotel rooms?
LG lists Hotel Mode / PDM / Installer Menu, Welcome Video and Welcome Screen, Lock Mode, Port Block, USB cloning and HTNG-CEC, so it can be set up for guest-facing use.
Is a wall bracket included?
No. Wall mounting brackets and installation are quoted separately. The VESA pattern is 300 x 300 mm.
What warranty do I get?
3 years local on-site warranty in Singapore, supplied by SourceIT with a GST invoice.