TCL 8 Series 75Q825 - Manual

The TCL 8 Series 75Q825 is a 75-inch 4K QLED Smart TV with Dolby Vision HDR, built-in Google Assistant, integrated Roku TV platform, multiple HDMI inputs, USB ports, Ethernet connection, Wi-Fi capability, voice remote control, HDR10+ support, local dimming zones, and advanced audio processing. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Smart Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 75-inch QLED display with Roku TV platform, Voice Remote Control, HDMI inputs, USB ports, Ethernet port, Optical audio output.

FeatureDescription
HDMI inputsFor external devices like gaming consoles and streaming boxes
USB portsFor media playback and device charging
Ethernet portFor wired internet connection
Optical audio outputFor connection to sound systems
AC input connectorFor power connection
Voice remoteWith Google Assistant and microphone
Power buttonTurns TV on/off
Input selectionSwitches between connected devices
Volume controlsAdjusts audio levels
Menu navigationAccesses settings and features

Installation

Unpack and inspect contents. Place on stable surface or mount on wall.

  1. Connect antenna or cable/satellite: Attach coaxial cable to antenna input.
  2. Connect external devices: Use HDMI ports for modern devices; component for legacy devices.
  3. Connect to internet: Use Ethernet cable or Wi-Fi setup.
  4. Connect audio system: Use optical audio output for soundbars or receivers.
  5. Plug into AC power.

WARNING! TV is very heavy; use two people for handling and installation. Ensure wall mount is rated for TV weight.

First-Time Setup

Power on TV; follow on-screen setup wizard.

  1. Connect to network: Select Wi-Fi network or use Ethernet connection.
  2. Sign in to Roku account: Create or sign in to access streaming services.
  3. Channel scan: Automatically program available channels.
  4. Picture calibration: Use automatic settings or customize picture modes.
  5. Voice remote setup: Pair remote and set up Google Assistant.

CAUTION! Ensure proper ventilation around TV; do not block vents.

Specifications

Controls and Settings

Access settings via remote or side panel buttons. Front Panel: Power, Input, Volume.

Remote: Power, Voice control, Navigation pad, Home, Back, Volume, Mute, Input, Streaming shortcuts.

Picture Settings: Brightness, Contrast, Color, Tint, Sharpness, Backlight, Color Temperature, Motion settings. Audio Settings: Sound modes, Equalizer, Volume leveling, Audio output. Network: Wi-Fi, Ethernet, Connection test. System: Language, Power options, Factory reset.

Connecting Devices

HDMI: For modern devices. Component: For legacy devices. USB: For media playback.

  1. Turn off TV and devices before connecting.
  2. Use high-speed HDMI cables for 4K content.
  3. Select input via INPUT button (HDMI 1-4, AV, Component).
  4. For gaming: Enable Game Mode in picture settings.

Tip: Use HDMI ARC port for audio return channel to sound systems.

Smart Features

Roku TV platform with thousands of streaming channels.

  1. Home screen: Access all apps and inputs from main menu.
  2. Search: Find content across multiple streaming services.
  3. Voice control: Use Google Assistant for searches and controls.
  4. Screen mirroring: Cast from compatible devices.
  5. Private listening: Use Roku mobile app for headphone audio.
  6. Automatic updates: TV receives regular software improvements.
  7. Mobile control: Use Roku app as secondary remote.

WARNING! Keep software updated for security and performance.

Accessibility Features

Closed Captions: Enable in Accessibility settings. Audio Guide: For visually impaired users. High Contrast mode: Improves text visibility. Voice guidance: For menu navigation.

Care & Cleaning

Unplug before cleaning. Use microfiber cloth for screen; avoid liquids and chemicals.

CAUTION! Do not use abrasive cleaners; never spray directly on screen.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2023 TCL; all rights reserved. For support, visit www.tcl.com or contact 1-877-300-8837.

Troubleshooting

SymptomPossible CauseCorrective Action
No picturePower/input selectionCheck power connection; ensure correct input selected.
No soundVolume/mute settingsCheck volume level; ensure mute is off; verify audio output settings.
Wi-Fi connection issuesSignal strengthRestart router; move closer to router; check network password.
Remote not workingBatteries/obstructionsReplace batteries; ensure clear line of sight to TV.
Apps not loadingInternet/softwareCheck internet connection; restart TV; update software.

Reset: Settings > System > Power > System restart.

Service: 1-877-300-8837; www.tcl.com/support

TCL 8 Series 75Q825 Manual © - All Rights Reserved 2025