Sometimes, the TV screen on a Sharp TV flicker for several reasons. This unexpected glitch will make you feel emotionally disturbed, and the entertainment experience is completely ruined. However, there is nothing to fret about because these problems are manageable, and you can easily fix them. This article discusses the practical workarounds you can try when the Sharp TV screen starts flickering.
Why is My Sharp TV Flickering On and Off?
There could be many reasons why your Sharp TV’s display or its standby light is flickering. Some of the common reasons, along with their solutions, are as follows.
| CAUSES | SOLUTIONS |
|---|---|
| Fluctuations in power supply | Power cycle the Sharp TV |
| Accumulation of debris and dust | Clean the Sharp TV screen |
| Loose connections | Check external cables and ports |
| Interference by electronic devices | Keep electromagnetic devices a little away |
| Software Issues | Update the Sharp TV firmware |
| Malfunctioning hardware | Contact Sharp Customer Support |
How to Fix the Flickering Screen Issue on Sharp TV
The following are solutions to fix the screen flickering problem on all Sharp TV models running Android, Google, Roku, and Aquos Net+.
Power Cycle the Sharp TV
Minor glitches related to the power supply can be easily solved through the power cycle. Power cycling involves turning off the Sharp TV and draining its residual charges. This resolves the flickering display on your Sharp TV.
1. When your Sharp TV is on, remove its power cable from the electrical socket and wait a few minutes.
2. Locate the Power button on your Sharp TV at the bottom or backside.
3. Hold the Power key for 30 seconds and release it.
4. Now, wait a few moments and connect the TV to a power source.
5. Switch on your Sharp TV and see if the issue gets resolved.
In most cases, it would be solved. If not, proceed to the next workaround.
Clean the Sharp TV Screen
Keep an eye on the TV screen if your Sharp TV is placed in an area prone to dust and debris. You should often clean the Sharp TV screen with a soft cotton cloth at least once a week. Hopefully, you won’t get a flickering screen problem after cleaning the display. If you still see a glitchy screen, try the next method.
Inspect the Power Cord of the Sharp TV
Your Sharp TV display or standby light flickers when the cables connected to it are faulty. For example, when the power cable is not connected properly, the TV won’t get enough power supply, and it will start flickering. To solve this, check if all the cables, such as Power, Input, Antenna, etc., are inserted properly. Try turning on your TV after this and see if the flickering issue has gone or not.
Sometimes, the electrical socket that you are drawing power from might be at fault. In these cases, connect your TV to a different power outlet and see if the issue gets solved.
Note: Consequently, your Sharp will blink red light if the power cable is loosened or damaged. So, change the cables and connect it to the power socket properly to rectify the error.
Change the Sharp TV Input
Content mismatch on your Sharp TV causes flickering issues. If your TV’s frame rate is high, e.g., 120Hz, and the content you are playing is of very low quality or vice versa, flickering happens.
Even though this is not a usual occurrence, if it happens, try changing the input on your Sharp TV. For example, if you are using HDMI, switch it to Coaxial or Optical and see if the issue gets resolved.
Additionally, you can try connecting the HDMI port to another one and check it. If the flickering stops after this, the problem has to be with the connection port you were using.
Change Sharp TV Picture Settings
If your TV picture settings are not moderate, they can significantly affect the display stability. Check the Sharp TV picture settings to modify the contrast, backlight, brightness, and color temperature to defaults. If necessary, you can manually adjust those settings to get a satisfying image quality. If the problem still persists, try the next solution.
Modify the Sharp TV Refresh Rate
If the TV screen flickers while playing SDR/HDR content, it means that the TV’s refresh rate may not be compatible with the format. To fix this, you have to change the refresh rate on a Sharp TV.
- Google TV – Tap Settings → Display & Sound → Resolution → Set the resolution.
- Android TV – Go to Settings → TV Settings → Display → Screen resolution → Display Mode → Change preferences.
- Roku TV – Head to Settings → Display type → Select the desired resolution.
Check if your TV is Overheated
Using a Sharp TV for a prolonged period will cause it to overheat, resulting in ghost spots on the TV screen. Sometimes, an internal fan failure can cause overheating. The best solution is to keep your Sharp TV turned off for at least 30 minutes to cool down. Then, switch on the Sharp TV and check if the Sharp TV flickering lines or screen issue is fixed. If it doesn’t work, try the next troubleshooting method.
Factory Reset the Sharp TV
Hard reset the Sharp TV to delete all the content and settings saved on it. It will delete minor bugs and glitches that have been causing the flickering issue. Therefore, you can try this method as a last resort. If you can’t see anything on the TV screen, try pressing the Reset button or a combination of other buttons attached to it. Here’s how we do it.
If your Sharp TV has a direct Reset button, you can use it. This button is usually placed in areas that are not easily accessible, like the TV’s backside or the bottom. After locating the button, use a pin or any thin object to press it. Hold the Reset button until it turns off.
If the direct Reset button is unavailable, you can use the Channel Down and the Input buttons. Here are the steps.
1. Turn off and cut the power supply to your Sharp TV.
2. Press and hold the Channel Down and the Input buttons simultaneously.
3. Turn on your TV whilst holding both the buttons.
4. When it is on, select Service Mode and navigate to the Factory Reset option.
5. Select it and reset your TV to factory settings.
If your Sharp TV doesn’t have a reset button on the TV panel, you can reset it through the settings.
- Roku TV – Tap on Settings → Select System → Choose Advanced system settings → Click Factory Reset → Hit Factory Reset Everything.
- Android TV – Open the home screen → Hit the Settings icon → tap on Device Preferences → Click on Reset → Hit the Erase Everything.
- Google TV – Open home screen → Tap on Settings icon → Click on System → Choose About → Hit the Reset option → Click Factory Reset.
- Aquos TV – Select Settings → Hit the Setup option → Select Reset TV → Enter password → Click Yes.
To finish the reset, it will reboot the Sharp TV. Then, check by playing any video file on it. If it solves, fine. Otherwise, the problem is with the hardware components of your Sharp TV.
Check for Hardware Issues
If you have come this far, it is a sure sign of a hardware problem in your TV. Parts like the T-Con board, LCD Panel, TV Backlight, and Jack Pack have to be at fault when your Sharp TV’s display flickers. To narrow it down, I have provided a list of problems and the associated hardware components where the Sharp TV shows a blinking pattern.
| HARDWARE COMPONENT | PROBLEM |
|---|---|
| T-Con Board | 1. White Display or No Display 2. Double Image and Display distortion 3. Vertical Black and White flickering lines 4. Multiple lines across the TV screen 5. The screen on one side screen is darker than the other. |
| TV LCD Panel | 1. Appearance of thin vertical and horizontal lines on the screen. 2. Patches of white display or garbage display. 3. Red color solarisation of display. |
| TV Backlight Lamp | 1. Flickering display. 2. The TV shuts down within a few seconds. |
| Jack Pack | 1. No TV reception (Grainy display) 2. Distorted sound or a high-pitched sound. |
You can find the exact component using the details provided in the table. After finding the exact component, you can replace it and solve the issue. You can buy the replacements from any reliable third-party websites. Repair the parts only if you have sufficient technical knowledge. Or else you could damage other components present on your TV.
Contact Sharp TV Customer Care
If you are unable to troubleshoot the Sharp TV flickering issue, contact Sharp TV customer help center. They provide different modes of contact. All of them are given below.
| [email protected] | |
| Telephone | 1-888-935-8880 |
| Social Media | https://www.facebook.com/SharpAQUOS |
Contact them through any of the above methods; explain the issues to them and get the required solutions. If they are unable to provide a solution over phone/e-mail, they’ll ask you to bring your TV to the nearest Sharp Store or will send their technicians to your address. To be on the safer side, check your Sharp TV’s Warranty. If a replacement is possible, get it done without any second thought.
Alternative Fixes to Solve the Sharp TV Flickering Issue
After fixing the issue, consistently follow the following techniques to prevent the flickering problem from happening again.
Clear Cache
Even though cache files are essential for the faster functioning of your TV. But, over-accumulation of it will lead to several problems, including the flickering issue that we are facing right now. To solve this, we need to clear the cache on your Sharp TV. After clearing it, you can prevent innumerable problems from happening in the future.
Update the Sharp TV Firmware
Updating your Sharp TV makes your device more compatible and adds new features to your TV. By not updating your TV as and when required, your TV will become incompatible, and you will find it hard to play high-end videos or videos in a new format. This could cause flickering issues, too. Therefore, update the firmware regularly to prevent this issue from happening again.
FAQ
This could be a sign that a background process is going on. If a firmware update or a reset process takes place, the TV screen goes blank and turns on after completion. If the Sharp TV is not turning on, power cycle it and check if it works.
If the Sharp TV’s T-Con board, LVDS cable, FPC cable, or LED cable has become defective, you may see a flickering line.
