55UN73506LB - Monitor LG - Free user manual and instructions
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| Product Type | 4K UHD Smart LED TV / Monitor |
| Screen Size | 55 inches (139.7 cm) |
| Resolution | 3840 x 2160 pixels (4K UHD) |
| Dimensions (with stand) | 1235 x 776 x 231 mm |
| Weight (with stand) | 16.3 kg |
| Power Consumption (typical) | 120 W |
| Standby Power | < 0.5 W |
| Operating System | webOS 6.0 |
| Smart Features | Built-in Wi-Fi, Ethernet, Bluetooth, Miracast, Apple AirPlay 2 |
| Connectivity | 3x HDMI, 2x USB, 1x RF, 1x LAN, 1x Optical, 1x CI Slot, 1x Composite, 1x Headphone out |
| Audio Output | 20W (2x10W) speakers, Dolby Audio |
| Picture Technology | IPS Panel, Active HDR, 4K Upscaler, Dynamic Color |
| VESA Mount | 300 x 300 mm |
| Cleaning Instructions | Wipe with a soft, dry cloth. Do not use liquid cleaners or sprays. |
| Safety Warnings | Do not expose to rain or moisture. Place on stable surface. Keep ventilation slots clear. |
| Spare Parts & Repairability | LG provides service parts for 7 years after production. Contact LG support for replacements. |
| Energy Class | A (EU energy label) |
| Annual Energy Consumption | Approx. 175 kWh/year |
| Package Contents | TV, Remote Control, Batteries, Power Cord, User Manual |
Frequently Asked Questions - 55UN73506LB LG
How do I connect my LG 55UN73506LB to Wi-Fi?
Press the Settings button on the remote, go to Network > Wi-Fi Connection, select your network, and enter the password.
Can I mount this TV on a wall?
Yes, it is VESA compatible with a 300x300 mm mount. Use a certified wall mount suitable for its weight.
How do I update the firmware?
Go to Settings > General > About This TV > Check for Updates. Ensure internet connection.
The screen is flickering. What should I do?
Check if the power cable is securely connected. Try resetting the TV by unplugging for 30 seconds. If persists, adjust picture settings or contact support.
How do I enable screen mirroring from my smartphone?
On your phone, enable screen mirroring (e.g., Miracast or AirPlay). On the TV, press Input and select Screen Share.
What sound formats are supported?
It supports Dolby Audio, AAC, MP3, and PCM. For surround sound, use HDMI ARC or optical.
How do I clean the screen safely?
Turn off the TV. Use a soft, dry microfiber cloth. Do not apply pressure or use alcohol, ammonia, or abrasive cleaners.
Why is there no picture but sound works?
Check if the correct input is selected. Try a different HDMI cable or device. If problem continues, perform a picture reset via Settings > Picture > Picture Reset.
Can I use a universal remote?
Yes, the TV supports IR and Bluetooth. Program the universal remote using code 123 or search for LG Smart TV.
How do I access the service menu?
Press the Settings button five times quickly on the remote, then press 0 three times. Not recommended for regular use.
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USER MANUAL 55UN73506LB LG
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Product information
Brand : LG
Model : 55UN73506LB
Category : Monitor