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OLED 4K CX 77″ (2020)

LG OLED77CXPUA

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

Screen
77″
Resolution
4K
Year
2020
Line
OLED
System
webOS 5.0

Does the OLED77CXPUA work with RemotApp?

Yes. The OLED77CXPUA runs webOS 5.0, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.

  • 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 OLED77CXPUA means

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

  1. OLEDPanel technology · OLED
  2. 77Screen size in inches
  3. CXSeries (2020 line) · OLED
  4. PUAMarket code · United States

OLED77CXPUA specifications

Display

Display diagonal195.6 cm (77")
HD type4K Ultra HD
Display technologyOLED
Screen shapeFlat
Native aspect ratio16:9
Response time1 ms
Motion interpolation technologyOLED Motion Pro
Display resolution3840 x 2160 pixels

TV tuner

Tuner typeDigital
Digital signal format systemATSC, Clear QAM

Smart TV

Smart TVYes
Operating system installedWebOS
Apple AirPlay 2 supportYes
Sports appsSports Alerts

Audio

Number of speakers2
RMS rated power40 W
Audio output channels2.2 channels
Built-in subwooferYes
Subwoofer RMS power20 W
Audio decodersDolby Atmos
Sound modesAI Sound, AI Sound Pro
Speaker directionFront firing
Enhanced Audio Return Channel (eARC)Yes

Network

Wi-FiYes
Wi-Fi standardsWi-Fi 5 (802.11ac)
BluetoothYes
Bluetooth version5.0
Ethernet LANYes
Web browserYes

Design

Product colourBlack
VESA mountingYes
Panel mounting interface400 x 200 mm
Introduction year2020

Performance

High Dynamic Range (HDR) technologyCinema HDR, Dolby Vision, Dynamic Tone Mapping, Filmmaker Mode, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)
Audio formats supportedAAC, AAC HE, AC3, AC4, EAC3, MP2, MP3, PCM, WMA, apt-X
Backlight dimming technologyPixel Dimming
Picture processing technologyLG AI Picture Pro, LG Advanced Contrast Enhancer, LG Face Enhancing, LG Ultra Luminance Pro
Noise reductionYes
High Dynamic Range (HDR) supportedYes
NVIDIA G-SYNCYes
NVIDIA G-SYNC typeG-SYNC Compatible
Game featuresAuto Low Latency Mode (ALLM), HGiG, Variable Refresh Rate (VRR)
WiSA ReadyYes

Ports & interfaces

Audio Return Channel (ARC)Yes
HDCPYes
HDCP version2.2
PC in (D-Sub)No
Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity3
Composite video in1
Digital audio optical out1
RS-232C ports1
HDMI ports quantity4
Consumer Electronics Control (CEC)SimpLink

Management features

Works with Amazon AlexaYes
Works with the Google AssistantYes

Power

Power consumption (standby)0.5 W
AC input voltage120 V
AC input frequency50/60 Hz

Brand-specific features

LG technologies (AV/TV)AI Sound Pro, Bluetooth Surround Ready, Dolby Vision™ IQ, LG Channels, LG Content Store, LG Sound Sync, ThinQ™

Technical details

Processorα9 Gen 3 AI Processor 4K

Weight & dimensions

Width (with stand)1723 mm
Depth (with stand)269 mm
Height (with stand)1023 mm
Weight (with stand)35.9 kg
Width (without stand)1723 mm
Depth (without stand)55.3 mm
Height (without stand)993 mm
Weight (without stand)26.7 kg
Stand width119.9 cm
Stand depth26.9 cm

Packaging data

Quick start guideYes
Package width1895 mm
Package depth285 mm
Package height1130 mm
Package weight49.3 kg
Package typeBox

Packaging content

Desktop standYes
Cables includedAC
Remote control includedYes
Remote control typeMagic Remote Control
E-manualYes

Other features

Batteries includedYes
Apple HomeKit supportYes
Home DashboardYes
Auto Genre SelectionYes
Intelligent Voice RecognitionYes
Surround modesOLED Surround
Google applicationsGoogle Home

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

How to control the OLED77CXPUA 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 OLED77CXPUA 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 OLED77CXPUA

Can I control the LG OLED77CXPUA with my phone?

Yes. The OLED77CXPUA runs webOS 5.0, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.

What year is the LG OLED77CXPUA?

The OLED77CXPUA is part of LG’s 2020 line (OLED CX).

What operating system does the OLED77CXPUA use?

The OLED77CXPUA runs webOS 5.0.

How many HDMI ports does the OLED77CXPUA have?

The OLED77CXPUA has 4 HDMI ports.

Does the OLED77CXPUA have Bluetooth?

Yes

Turning the OLED77CXPUA 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.