LC-46D78UN - Television SHARP - Free user manual and instructions
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| Product Type | LCD Television |
| Brand | Sharp |
| Model | LC-46D78UN |
| Screen Size | 46 inches (diagonal) |
| Display Resolution | 1920 x 1080 (Full HD) |
| Aspect Ratio | 16:9 |
| Contrast Ratio | Dynamic contrast up to 2000:1 (typical) |
| Brightness | 450 cd/m² (typical) |
| Response Time | 6 ms (typical) |
| Viewing Angle | 176° horizontal / 176° vertical |
| Built-in Tuner | ATSC / NTSC (analog) |
| Audio Output | 10W + 10W stereo |
| Inputs | HDMI (2), Component (1), Composite (1), PC VGA (1), USB (1) |
| Other Connectors | Digital audio output (optical), Headphone jack |
| Power Supply | AC 120V, 60Hz |
| Power Consumption (Operating) | 220W (typical) |
| Power Consumption (Standby) | < 1W |
| Dimensions (with stand) | 110.3 x 79.8 x 30.5 cm (43.4 x 31.4 x 12.0 in) |
| Dimensions (without stand) | 110.3 x 71.4 x 11.4 cm (43.4 x 28.1 x 4.5 in) |
| Weight (with stand) | 29.5 kg (65.0 lb) |
| Weight (without stand) | 25.0 kg (55.1 lb) |
| VESA Mount Pattern | 400 x 400 mm |
| Energy Star Certified | Yes |
| Standby Mode | Energy-saving mode |
| Cleaning Instructions | Wipe with a soft, dry cloth. Do not use liquid cleaners. |
Frequently Asked Questions - LC-46D78UN SHARP
How do I connect external devices like a Blu-ray player or game console?
Use the HDMI ports on the back or side of the TV. For older devices, use component or composite inputs. Select the corresponding input source using the INPUT button on the remote.
What should I do if the remote control stops working?
First, check the batteries and replace them if needed. Ensure nothing is blocking the IR sensor on the TV. If still not working, try resetting the remote by removing batteries and pressing all buttons for 10 seconds.
How can I perform a factory reset?
Press MENU on the remote, go to Setup > Reset > Factory Reset. Confirm with the PIN (default 0000). This erases all custom settings.
Can I mount this TV on a wall?
Yes, this model supports VESA 400 x 400 mm wall mounts. Use a compatible mount and follow the instructions. Ensure the wall can support the TV's weight (29.5 kg with stand removed).
How do I get the best picture quality?
Access the Picture menu and select Movie or Cinema mode. Adjust Brightness, Contrast, and Sharpness to your preference. For HD sources, ensure the input is set to 1080p.
Why is there no sound from the TV?
Check if the volume is muted or turned down. Verify that external speakers are not connected and the TV speakers are enabled in the Audio menu. If using external audio, ensure the correct output is selected.
How do I update the TV's firmware?
This model may not support over-the-air updates. Check Sharp's support website for a firmware file. If available, download to a USB drive, insert into the TV's USB port, and follow on-screen instructions in Setup > Update.
What type of warranty does this TV have?
Sharp typically offers a 1-year limited warranty for parts and labor. Register your product on Sharp's website to activate warranty. Keep your purchase receipt.
Can I connect a soundbar or home theater system?
Yes, use the Digital audio output (optical) for best quality. Alternatively, connect via HDMI ARC if available. Select the external speaker option in Audio menu.
How do I clean the TV screen safely?
Turn off the TV and unplug it. Use a soft, dry microfiber cloth to gently wipe the screen. Do not apply liquid directly; if needed, slightly dampen the cloth with distilled water. Never use alcohol or ammonia-based cleaners.
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