Brand: JVC
Category: Television
Document Type: Manual
Language: EN
Manual for AV-21F24
Uploaded: Nov. 21, 2025, 6:45 p.m.
Warranty Information
Please refer to the warranty card provided with your television for detailed warranty information.
- Basic Operations: Follow on-screen prompts or use the MENU/OK button for initial setup including language and auto program. Navigate menus using ▲/▼/◀/▶ buttons and confirm with MENU/OK.
- Remote Control: Use the POWER button to turn the TV on/off. Navigate menus, select channels (0-9, -/--), adjust volume, and switch between TV/VIDEO input. The RETURN+ button recalls favorite channels or the previous channel.
- TV Buttons: The TV has basic controls for power, menu access, channel selection, and volume adjustment.
- Setup: Connect the aerial and AC power. Insert batteries into the remote. Turn on the TV and follow initial setup prompts.
- Picture/Sound Settings: Adjust picture settings like COLOUR SYSTEM, PICTURE MODE, BRIGHT, CONTRAST, etc. Select SOUND SYSTEM and AI VOLUME for optimal audio.
- Advanced Features: Use TELETEXT, set FAVORITE CHANNELS, customize settings like VNR, CHILD LOCK, and OFF TIMER.
- Channel Presetting: Register channels automatically or manually. Edit the channel list by moving or deleting channels, or inserting new ones.
Troubleshooting and error codes
| Problem | Solution |
|---|---|
| No picture, no sound | Deactivate BLUE BACK function. Choose appropriate sound system. Check aerial cable and connection. |
| Snowy picture | Check aerial cable and connection. Move interfering devices (amplifiers, computers, hair dryers) away from the TV. |
| Stripes appear on the picture | Interference from other devices or signal reflection. Adjust aerial direction or use a better antenna. |
| Double-pictures (ghosting) occur | Interference from signal reflection. Adjust aerial direction or use a better antenna. |
| Poor picture | Choose appropriate colour system. Adjust COLOUR or BRIGHT settings. |
| White and bright still image look as if it were coloured | Inevitable phenomenon due to picture tube nature; not a malfunction. |
| Top of the image from software products or video tape is distorted | Due to condition of video signal; not a malfunction. |
| Cannot operate the remote control | Replace batteries. Ensure operating within 7 meters of the TV. |
| Cannot operate menus | Press TV/VIDEO to return to TV mode and try menus. |
| Cannot operate front control buttons | Deactivate CHILD LOCK function. |
| TV is turned off suddenly | AUTO SHUT OFF function may be activated. Press POWER button to turn on. |
| Colour patches appear at the corner of the screen | Magnetized device nearby. Keep device apart or use magnetic-shielded speaker. |
| Image takes a short period to be displayed | Image requires time to stabilize; not a malfunction. |
| TV may emitted crackling sound | Sudden change in temperature; not a malfunction. If frequent, contact service. |
| Feel a slight electric shock when touching the TV screen | Static electricity from picture tube; not a malfunction. |