Installation Guide
Tools Needed:
- Phillips screwdriver
- Level
- Measuring tape
- Wall mount kit (if wall mounting)
- Power drill (for wall mounting)
Step-by-Step Setup
- Unbox and Inspect: Carefully remove TV from packaging and inspect for any damage during shipping.
- Assemble Stand: Attach the TV stand using provided screws and ensure it is securely fastened.
- Choose Location: Select a stable, flat surface away from direct sunlight and heat sources.
- Connect Power: Plug the power cord into a grounded electrical outlet.
- Connect External Devices: Connect cable/satellite box, gaming consoles, soundbars to available HDMI ports.
- Initial Setup: Turn on TV and follow on-screen instructions for language, Wi-Fi, and account setup.
- Wall Mounting: If wall mounting, use VESA 400x400mm compatible mount and ensure secure installation.
Specifications
| Model Series | 75S646 |
| Display Type | QLED 4K UHD |
| Screen Size | 75 inches |
| Resolution | 3840 x 2160 pixels |
| Refresh Rate | 120Hz Native |
| HDR Support | Dolby Vision, HDR10, HLG |
| Smart Platform | Google TV with Google Assistant |
| Connectivity | Wi-Fi 5, Bluetooth 5.0, Ethernet |
| Ports | 4x HDMI 2.1, 2x USB, Optical Audio, Ethernet |
| Dimensions (with stand) | 167.6 x 102.9 x 36.1 cm |
| Weight | 28.7 kg (with stand) |
| Power Consumption | 130W (typical) |
Warranty Information
- Full Warranty: 1 year parts and labor
- Panel Warranty: 2 years on QLED panel
- Extended Coverage: Optional protection plans available
For warranty service, contact TCL Customer Service at 1-877-300-8837 or visit TCL.com
Key Features
QLED 4K Display
Quantum dot technology delivers over a billion colors with exceptional brightness and contrast for stunning picture quality.
Dolby Vision HDR
Experience enhanced contrast, color, and brightness with Dolby Vision for a truly cinematic viewing experience.
120Hz Native Refresh
Smooth motion handling for sports, action movies, and gaming with minimal blur and judder.
Google TV Platform
Access to thousands of apps, movies, and shows with personalized recommendations and Google Assistant voice control.
Game Master Pro
Enhanced gaming features including ALLM, VRR, and 4K/120Hz support for next-gen gaming consoles.
Hands-Free Voice Control
Built-in far-field microphone allows voice commands without the remote for ultimate convenience.
Picture Enhancement Technologies
HDR Pro
Advanced HDR processing for improved dynamic range and color accuracy
Micro Dimming
Precise local dimming for deeper blacks and better contrast
Natural Motion
Motion smoothing technology for fluid movement in fast-action content
Color Accuracy
Wide color gamut with precise color reproduction
Anti-Glare
Reduces reflections for better viewing in bright rooms
Filmmaker Mode
Preserves original content as intended by filmmakers
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| TV won't turn on | Power issue, remote control problem | Check power connection, try manual power button, replace remote batteries |
| No picture/sound | Input source issue, cable connection | Check input source, verify cable connections, restart TV |
| Wi-Fi connection issues | Network problems, signal strength | Restart router, check network settings, move closer to router |
| Remote not working | Dead batteries, pairing issue | Replace batteries, re-pair remote, check for obstructions |
| Picture quality issues | Settings incorrect, source quality | Adjust picture settings, check source quality, update firmware |
| Audio problems | Sound settings, external speaker connection | Check audio settings, verify external speaker connections |
Common Error Codes
- E001: Power supply issue - Check power connection
- E101: Network connection failed - Check Wi-Fi/Ethernet
- E201: Software update failed - Retry update
- E301: HDMI connection error - Check HDMI cables
- E401: Remote pairing failed - Re-pair remote
- E501: System memory full - Clear cache and data
Manual Downloads
Current 6 Series Models
75S646
75-inch QLED 4K Google TV
75S546
75-inch 4K Google TV
75S451
75-inch 4K Roku TV
75S435
75-inch 4K Android TV
Popular Previous Models
75R635
75-inch 6-Series Roku TV
75R617
75-inch 6-Series 4K TV
75S517
75-inch 5-Series 4K TV
75S425
75-inch 4-Series 4K TV