What to do if I have no picture or sound from an external source on my Hisense 85U78KM LED TV?
If you're not getting a picture or sound from an external source connected to your Hisense LED TV, ensure that you've selected the correct output connection on the external source and the correct input connection on the TV.
General| Screen Size | 85 inches |
|---|---|
| Resolution | 3840 x 2160 (4K) |
| Panel Type | VA |
| Refresh Rate | 120 Hz |
| HDMI Ports | 4 |
| HDMI 2.1 | Yes |
| VRR | Yes |
| Local Dimming | Yes |
| USB Ports | 2 |
| Bluetooth | Yes |
| Wi-Fi | Yes |
| Smart TV | Yes |
| Voice Control | Yes |
| HDR Support | HDR10, Dolby Vision |
Instructions for attaching the TV stand legs to the TV.
Learn about the TV's control button and Google Assistant features.
Enable Google Assistant to respond even when the screen is off.
Instructions for inserting AA or AAA batteries into the remote control.
Safety and handling guidelines for remote control batteries.
Steps to pair the remote control with the TV.
Guide to powering on the TV and completing the initial setup.
Instructions for connecting the TV to a wired or wireless network.
How to enable TTS via Accessibility menu settings.
How to enable Video Description via TV menu settings.
Details on FCC compliance, radio frequency limits, and manufacturer information.
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