UE40NU7140U - Television SAMSUNG - Free user manual and instructions
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| Product Type | Television |
| Brand | Samsung |
| Model | UE40NU7140U |
| Screen Size | 40 inches (diagonal) |
| Display Resolution | 4K UHD (3840 x 2160) |
| Backlight Type | LED |
| HDR Support | HDR10, HLG |
| Smart TV Platform | Samsung Smart Hub (Tizen OS) |
| Dimensions (Without Stand) | Approx. 905 x 523 x 63 mm (W x H x D) |
| Dimensions (With Stand) | Approx. 905 x 581 x 192 mm (W x H x D) |
| Weight (Without Stand) | Approx. 8.4 kg |
| Weight (With Stand) | Approx. 8.7 kg |
| Power Consumption (Typical) | Approx. 70 W |
| Power Consumption (Standby) | <0.5 W |
| Input Voltage | AC 220-240 V, 50/60 Hz |
| Connectivity | HDMI (x2), USB (x1), Digital Audio Out (Optical), Ethernet, Wi-Fi, Bluetooth |
| Remote Control | Samsung Smart Remote (TM1240A) |
| Cleaning Instructions | Wipe with a soft, dry cloth. Do not use water or solvents. |
| Safety Features | Anti-tip strap, vent slots, automatic power-off |
| Spare Parts Availability | Power supply board, main board, panel, remote control available from authorized service centers |
| Repairability Index | 6.5/10 (estimated) |
| EU Energy Class | A+ |
Frequently Asked Questions - UE40NU7140U SAMSUNG
How do I connect my Samsung UE40NU7140U to Wi-Fi?
Press the Home button on your remote, go to Settings > General > Network > Open Network Settings. Select Wireless, choose your network, and enter the password.
Why is the TV screen black but I can hear sound?
This may indicate a backlight issue. Try turning the TV off and on again. If the problem persists, check if the LED indicator is on. If not, a power supply or backlight failure is likely. Contact Samsung support.
How can I enable HDR on my Samsung TV?
HDR is automatically activated when playing HDR content via HDMI or USB. Ensure your HDMI port is rated for HDCP 2.2 and the content is HDR-compatible. You can check by pressing the Info button on the remote.
What is the USB port used for?
The USB port allows you to play media files (photos, videos, music) from a USB flash drive. It is also used for firmware updates and to power a USB hard drive for recording (if supported).
How do I perform a factory reset on my UE40NU7140U?
Go to Settings > General > Reset. Enter the PIN (default 0000) and confirm. This will erase all personal data and return the TV to factory settings.
Why does my TV keep turning off by itself?
Check if Sleep Timer or Auto Power Off is enabled. Go to Settings > General > System Manager > Time and disable these features. Overheating can also cause shutdown.
Can I mount this TV on a wall?
Yes, the UE40NU7140U is VESA compatible with 200 x 200 mm hole pattern. Use a wall mount kit that supports up to 10 kg and the specified pattern. Never mount without consulting the manual.
How do I update the TV firmware?
Go to Settings > Support > Software Update and select Update Now. Ensure the TV is connected to the internet. Alternatively, download the update file from Samsung's support site and install via USB.
What is the input lag for gaming?
The input lag is approximately 15-20 ms in Game Mode. Enable Game Mode via Settings > General > External Device Manager > Game Mode for reduced latency.
How do I connect a soundbar to this TV?
Use an HDMI ARC cable between the TV's HDMI ARC port (usually HDMI 1) and the soundbar's ARC port. Alternatively, use an optical cable or Bluetooth if the soundbar supports it.
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USER MANUAL UE40NU7140U SAMSUNG
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Product information
Brand : SAMSUNG
Model : UE40NU7140U
Category : Television