21FU4RL - Television LG - Free user manual and instructions
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| Product Type | CRT Television (Standard Definition) |
| Brand | LG |
| Model | 21FU4RL |
| Screen Size (Diagonal) | 21 inches (53 cm) |
| Display Technology | Cathode Ray Tube (CRT) |
| Dimensions (W x H x D) with Stand | Approx. 490 x 420 x 430 mm |
| Weight | Approx. 15 kg |
| Power Supply | AC 100-240V, 50/60 Hz |
| Power Consumption (Typical) | 75 W |
| Standby Power Consumption | < 1 W |
| Inputs | SCART (RGB/AV), Antenna (RF), Audio L/R inputs |
| Outputs | Headphone jack (3.5 mm) |
| Audio System | Mono speaker, 2 x 3W (nominal) |
| Remote Control | Included (IR, type: AKB74915303 or equivalent) |
| Number of Channels | 99 (analog TV tuner) |
| Safety Features | Auto power-off (sleep timer), mute, child lock via remote |
| Cleaning Instructions | Wipe with a soft, dry cloth. Do not use liquid cleaners or abrasives. |
| Repair Information | Refer service to qualified personnel. No user-serviceable parts inside. |
| Energy Class | Not applicable (CRT TV, pre-energy labeling era) |
Frequently Asked Questions - 21FU4RL LG
How do I connect my game console to the LG 21FU4RL TV?
Connect the console's AV cable to the SCART input on the TV. If using composite (yellow/red/white), use a SCART adapter. Select the corresponding source using the Source button on the remote.
What should I do if the TV won't turn on?
Check that the power cord is securely plugged into the wall and the TV. Ensure the mains switch at the back of the TV is turned on. If still no power, try a different outlet. If the issue persists, contact a qualified technician.
How can I improve the picture quality?
Use the remote control to access the Menu and navigate to Picture settings. Adjust contrast, brightness, color, and sharpness to your preference. Ensure the antenna connection is good for analog channels.
Why is there no sound from the TV?
First, check that the volume is not muted. Press the Mute button on the remote to unmute. Also check if headphones are plugged in (they disable the speaker). If using external audio, ensure cables are connected correctly.
How do I set up the analog channels?
Press the Menu button, go to Program or Channel, and select Auto Store or Auto Program. The TV will scan for available analog channels. You can also manually add channels by frequency.
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. For stubborn spots, lightly dampen the cloth with water (no cleaners). Do not spray liquids directly on the screen.
My remote control is not working. What should I do?
Replace the batteries with new ones (AA size). Ensure the batteries are inserted with correct polarity. Point the remote directly at the TV's IR sensor. If still not working, try resetting the TV by unplugging it for 30 seconds.
Can I use this TV as a computer monitor?
This TV does not have a VGA or HDMI input. It can only accept standard analog video signals via SCART or RF. For basic use, you can connect a computer via a SCART converter, but image quality will be low.
How do I activate the sleep timer?
Press the Sleep button on the remote (if available) repeatedly to set the timer (30, 60, 90, 120 minutes, or off). The TV will turn off automatically after the set time.
Is it safe to leave the TV on standby?
Standby power consumption is very low (< 1 W), but for energy saving and safety, it is recommended to turn off the TV fully using the mains switch if not used for long periods. Also unplug during thunderstorms.
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