To Next PageTo Next PageWhat to do if my JVC AV-21QS27 TV has no picture and no sound?
If your JVC TV shows no picture and produces no sound, first deactivate the BLUE BACK function if it's turned on. Then, ensure that you have selected the correct sound system for your setup.
Why does my JVC AV-21QS27 TV remote control not work?
If you cannot operate your JVC TV remote control, the batteries may be exhausted; replace them with new ones. Also, make sure you are within seven meters of the TV and pointing the remote at the front of the TV.
How to fix snowy picture on JVC TV?
If your JVC TV displays a snowy picture, check the aerial cable and ensure it is properly connected to both the TV and the antenna.
What to do if AUTO SIGNAL DETECT does not work on JVC AV-21QS27?
If the AUTO SIGNAL DETECT function on your JVC TV isn't working, ensure the function is set to ON. Turn the VCR or DVD player off and then on again. Verify that the video cable is correctly connected to the VIDEO-2 input.
What to do if AUTO SIGNAL DETECT does not work correctly on JVC AV-21QS27?
If the AUTO SIGNAL DETECT function on your JVC TV is not working correctly, check the video cable connection. The issue might be due to some VCR or DVD players outputting the video signal discontinuously.
How to fix poor picture quality on JVC TV?
If you are experiencing poor picture quality on your JVC TV, choose the appropriate color system for your input source. Also, adjust the COLOUR and BRIGHT settings to improve the picture.
How to fix poor sound on JVC TV?
If you are experiencing poor sound quality on your JVC TV, adjust the sound frequency properly in the audio settings.
Why does my JVC TV input suddenly change to VIDEO-2?
If your JVC TV input suddenly changes to VIDEO-2, check whether the AUTO SIGNAL DETECT function is on or off. The AUTO SIGNAL DETECT function may activate when you operate the VCR or DVD player, even if you don't start playback.
How to get rid of stripes on JVC AV-21QS27 TV picture?
If stripes appear on the picture of your JVC TV, this could be due to interference from devices like amplifiers, personal computers, or hair dryers. Try moving these devices away from your TV.
How to eliminate double pictures (ghosting) on JVC AV-21QS27?
If you are experiencing double pictures (ghosting) on your JVC TV, this interference might be caused by signal reflections from mountains or buildings. Try adjusting the direction of your aerial or using a different antenna.
General| Screen Size | 21 inches |
|---|---|
| Display Technology | CRT |
| Aspect Ratio | 4:3 |
| Remote Control | Yes |
| Tuner | Analog |
| Inputs | Composite |
Instructions to prevent fire or shock hazard by avoiding rain and moisture exposure.
Rules to observe for personal safety when using the TV, including ventilation and screen care.
Instructions for handling faults, emphasizing unplugging and calling a service technician.
Guide on connecting the TV to an aerial cable and VCR for signal input.
Details on connecting to the TV's rear input/output terminals for various devices.
Instructions for connecting devices to the TV's front video input.
How to program and recall up to four favorite TV channels using color buttons.
Allows returning to the frequently viewed channel or the previous channel.
Method for selecting TV channels using two-digit numbers.
How to select channels using the channel up/down buttons.
Step-by-step guide on navigating and operating the TV's menu system.
How to select the appropriate colour system based on country or region for clear picture display.
Choosing preset picture settings and fine-tuning CONTRAST, BRIGHTNESS, SHARPNESS, COLOUR, and TINT.
Adjusting white balance for better picture matching with video content.
Converting aspect ratio and enabling special features like Blue Back for improved viewing.
Setting the Teletext language group for corresponding programmes.
Enjoying enhanced bass sound that normal speakers cannot reproduce.
Experiencing sound with a wider audience effect.
Adjusting sound levels for different frequencies in USER mode.
Enjoying stereo and bilingual broadcast programmes.
Automatically adjusting volume levels for consistent output across channels.
Selecting an appropriate sound system for abnormal sound issues.
Adjusting the volume balance between left and right speakers.
Choosing sound modes like USER, MUSIC, CINEMA, NEWS, or DRAMA.
Automatically switching input modes between RF and VIDEO-2.
Enhancing picture quality for movie playback in dark room environments.
Reducing picture noise for a clearer image.
Choosing the desired display language for the TV's on-screen menus.
Setting the TV to turn on automatically from standby mode at a specific time and channel.
Setting the TV to automatically turn off to standby mode after a specified time.
Managing beeps for alerts and child lock features for enhanced security.
Configuring the VIDEO-2 terminal setting based on the connected video signal type.
Registering TV channels automatically using the Auto Program feature.
Registering TV channels manually through the Edit menu.
Moving, deleting, and inserting channels in the TV's channel list.
Solutions for issues with no picture and no sound output from the TV.
Solutions for various picture display issues including snow, stripes, ghosting, poor quality, and distortion.
Solutions for unclear, poor, or unidentifiable stereo/bilingual sound output.
Troubleshooting remote control, menu operation, signal detection, and cable connection problems.
