To Next PageTo Next PageHow to fix no picture or sound on Sharp LC-20SH4U LCD TV?
If your Sharp LCD TV has no picture or sound, ensure the AC cord is properly inserted into the power outlet. Confirm that the input mode is set to TV and the POWER switch of the main unit is on. Also, check if you are receiving a signal from a broadcasting station.
Why is there no sound on my Sharp LC-20SH4U?
If there is no sound on your Sharp LCD TV, verify that the volume is not set to the minimum and that the sound is not muted. Also, make sure that headphones are not connected to the TV.
What to do if Sharp LCD TV shows no picture or sound, just noise?
If your Sharp LCD TV shows no picture or sound, but only noise, make sure the antenna cable is properly connected. Poor reception could also be the source of the problem.
Why is my Sharp LC-20SH4U remote control not working?
If the remote control for your Sharp LCD TV is not working, check the batteries. Also, ensure that the remote sensor window is not under strong lighting.
How to improve blurry picture on Sharp LC-20SH4U LCD TV?
If the picture on your Sharp LCD TV is not clear, ensure the antenna cable is properly connected. Bad reception could also be the cause of the unclear picture.
How to brighten the picture on Sharp LC-20SH4U?
If the picture on your Sharp LCD TV is too dark, press the BACKLIGHT button or adjust the BACKLIGHT or BRIGHTNESS settings. Also, check the CONTRAST and BRIGHTNESS adjustments. The fluorescent lamp may have reached the end of its service life.
Why is there no picture from INPUT2 on my Sharp LC-20SH4U?
If there is no picture from INPUT2 on your Sharp LCD TV, make sure the BRIGHTNESS is properly adjusted. Check that the S-VIDEO terminal has nothing connected and that AUDIO ONLY is not set to ON. The fluorescent lamp may have reached the end of its service life.
What to do if my Sharp LC-20SH4U has no video and audio output?
If your Sharp LCD TV has no video and audio output, you can check the microprocessor's adjustment process menu for wrong settings. Also, check T7701, IC7701 and their peripheral circuits. Furthermore, check the primary side of T7001, Q3305 and its peripheral circuits and the secondary load of T7001.
How to fix no video output on Sharp LC-20SH4U?
To fix no video output on your Sharp LCD TV, check the microprocessor's adjustment process menu for wrong settings. Also, check the input and output of IC1004 as specified.
What to do if Sharp LC-20SH4U unit cannot be operated?
If your Sharp LCD TV unit cannot be operated, external influences such as lightning or static electricity may be the cause. Turn the power off, or unplug the AC cord and re-plug it in after 1 or 2 minutes.
General| Screen Size | 20 inches |
|---|---|
| Display Type | LCD |
| Resolution | 640 x 480 |
| HDMI Ports | 1 |
| USB Ports | 0 |
| Aspect Ratio | 4:3 |
| Speakers | 2 x 3W |
| Brightness | 450 cd/m2 |
| Viewing Angle | 170° |
| Inputs | HDMI, Composite |
Guide to connecting the TV to an antenna system for optimal reception.
Instructions for connecting the TV to a power source using the AC cord.
Identifies buttons on the main unit and headphone usage for audio output.
Details the TV's rear connection terminals and cable routing.
How to turn the TV on, off, and use standby mode.
Switching between TV, INPUT1, and INPUT2 sources.
Adjusting sound volume, muting, and changing TV channels.
Accessing and navigating the TV's menu system for adjustments.
Fine-tuning picture quality via AV Mode, Color Temp, Backlight, Contrast, etc.
Configuring audio settings and system preferences like MTS and language.
Manual and automatic channel setup and memory functions.
Setting parental controls based on age and content ratings for TV programs.
Enabling and configuring closed caption display modes.
Adjusting display modes, audio-only, blue screen, sleep timer, and power saving.
How to connect and use external audio/video devices like VCRs and DVD players.
Setting up the TV's audio output for external speakers or amplifiers.
