The fallen reflectors, dead pixels, defect in light diffusion coating, and your TV’s damaged processors are responsible for white spots on the Sharp Aquos TV screen. While suddenly white dots appear on your TV screen, be sure that these factors are causing it.
After in-depth research in this troubleshooting guide, we will explain the detailed causes and solutions of these above problems.
Also, we will guide you on how to reduce or disappear white dots from your Sharp Aquos TV screen.
Thus keep reading this article thoroughly, and you will assuredly learn to fix your TV’s white spot by yourself.
Table of Contents
- Why White Spots On Sharp Aquos TV Screen [Reasons + Solutions]
- 1. Fallen Reflector Inside TV Panel
- How To Return Fallen Reflectors In Their Original Place
- 2. Dead Pixel
- How To Convert Dead Pixel To Normal
- 3. Defect In Light Diffusion Coating In Panel’s Back
- 4. Damaged Processor
- What Changes In TV Settings Require To Disappear Sharp Aquos White Spots
- What to do when your Sharp TV turns on, but the screen is black?
- Why does my Sharp Aquos TV keep turning off?
- Why is the power light blinking on my Sharp Aquos TV?
- Wrap Up
Why White Spots On Sharp Aquos TV Screen [Reasons + Solutions]
Suddenly on your Sharp Aquos bright TV screen, you may see the white dot on your TV’s center and edge mainly for the following major reasons.
1. Fallen Reflector Inside TV Panel
Your Sharp Aquos TV panel inside has a lens that covers a bunch of LED lights. However, the fallen reflector (lens) is responsible for white patches on the TV screen.
Reflectors are installed on the LED backlight front. And the lens facilitates the spreading of LED light on your Sharp TV screen. However, your TV’s reflector falls off due to the following reasons:
- Low-quality lens
- TV overheating or poorly built-in quality
- Loosen up reflector
- Damaged backlight elements
- The plastic covering the lenses is not glued correctly
- Damaged strips
- TV matrix’s poor assembly or malfunctioning matrix
Mostly the lenses are kept glued in front of your TV LED backlights. When these lenses fall from their spot for different reasons, they can produce single or several white spots on your Sharp Aquos TV.
The number of fallen reflectors corresponds to the number of white spots. To prevent your TV panel lens’s falling, do the following:
- Replace the low-quality reflector, damaged or faulty backlight elements, broken strips, and defective matrix
- Make sure your TV is not overheating, and don’t place your TV directly under sunlight or near heat
- Using the glue tighten the reflectors
- Make sure the plastic covering the lenses is properly glued
- Highly assemble the TV matrix
How To Return Fallen Reflectors In Their Original Place
If you detect the fallen reflectors are the culprit for your Sharp Aquos TV’s white dots, you should return the dropped lens to their original place using glue.
That is why you need to know how to fix the white dots on the TV screen. Below we will explain how you can fix it. Let’s start:
- Small prying tool
- Small screwdriver
- Medium Screwdriver
- Super glue (Gorilla glue)
The step-by-step guides for returning the fallen reflectors to their original place are:
- Turn off your Sharp TV and unplug your TV from the electrical outlet.
- Several screws are holding your TV’s back panel; remove all these screws.
- Carefully pull out your TV inside’s metal tabs.
- Unplug your TV’s speaker connectors and pull off the speakers from your Sharp TV
- Lift the metal plate from the circuit board, and disconnect the board and plate’s connection before that.
- Carefully lift the plastic frame’s tab and check for the fallen lens (reflectors) within it.
- After finding the fallen reflectors using glue, place them.
- For adding glue, use the Q-tips. Carefully place the glue in the fallen reflector around places.
- After completing the glue placement, correctly place the fallen reflectors in their perfect position. Hold the lens until they are fully compressed.
- After returning the fallen reflectors in place now, assemble your Sharp TV following the above steps in reverse.
2. Dead Pixel
Sharp Aquos TV has millions of dots or pixels. And pixel’s main motto is to light up and produce your TV screen’s picture.
When these pixels become dead or ineffective, you will see white spots on your Sharp TV screen. The leading causes of pixel malfunction are:
- Pixel gets stuck in a particular state, and don’t change the color while you turn on your TV
- Damaged or broken pixel
- Voltage fluctuations or power surge
- Extreme or very high temperature
- TV exposed to direct sunlight, heat, or cold
- Placing your Sharp TV near the batteries or other heating appliances
The dead pixels fail to respond, which means the responsible transistors controlling screen’s this area have burned out.
The damaged pixel soon spreads problems to the entire strip and your TV screen can damage. Thus fix your TV’s dead pixel issue immediately. The easy resolving ways are:
- Massage the stuck pixel so that they start working again. Ensure pixels are changing color appropriately after turning on your TV
- Reduce voltage fluctuations or power surges by installing a voltage stabilizer
- Reduce the temperature exposure and make sure your Sharp Aquos TV is not going through extreme heat or cold
- Avoid covering your TV using heavy cloth, and don’t place your TV directly in sunlight.
- Move your TV away from the batteries or other heating elements.
How To Convert Dead Pixel To Normal
Following a few steps below, you can fix your Sharp Aquos TV’s dead pixel and return your TV’s frozen pixel to normal.
- First, find out your Sharp Aquos TV’s damaged white spot and take note of it.
- Turn off your TV. Now with a dry cotton swab, for 1-2 minutes gently press or massage the noted spot where the dead pixel is.
- Wait 10-15 minute
- Turn on your Sharp TV and inspect the area with a dead pixel. Hopefully, the damaged pixel will return to normal.
Note: While massaging on your TV’s screen, be careful about the pressure you give. Otherwise, your TV screen can be entirely damaged.
3. Defect In Light Diffusion Coating In Panel’s Back
Another reason why you may experience the white spots on the TV screen is the fault in light diffusion coating. Your TV inside’s every LED is covered by the coating, and the LED diffuses light through them.
A damaged diffuser and issues with a few plastics that sit between your TV panel and LED are the major culprit for which your TV displays the white spots.
Clear the diffusion cylinder, which covers every LED inside your Sharp TV panel. And in this way, the LED will diffuse more light.
4. Damaged Processor
Another reason for the white patches on the TV screen is the damaged processor in your Sharp Aquos TV. Your TV’s processor gets damaged mainly for the following reasons:
- A power surge or voltage fluctuations
- TV overheating
- Lack of cooling around your TV
If the damaged processor is the culprit for the white 3 dots on the TV screen, you can repair the processor to fix the spot.
But you need to replace the severely damaged processor. However, the easy ways to solve the above issues are:
- Install a dynamic voltage stabilizer to prevent your TV’s voltage fluctuations and power surge
- Avoid running your TV for a long time. And don’t place the TV directly under the sun or near the heat source to avoid your TV overheating.
- Make sure there is enough cooling opportunity around your TV.
What Changes In TV Settings Require To Disappear Sharp Aquos White Spots
To disappear the white dots on your Sharp TV screen, you require to change the following settings:
- Reduce your TV’s backlight setting and brightness to the lowest or as low as possible
- Auto-adjustments change your TV’s brightness. Thus turn off your TV’s auto-adjustment
- Make all the changes in settings on your TV’s manual and ensure none of the settings will change
The overall brightness and backlight reduction can reduce the white spots on your Sharp Aquos TV. After modifying the setting, if the white spots are still visible, you must replace the defective processor.
What to do when your Sharp TV turns on, but the screen is black?
After turning on your Sharp TV, if the screen becomes black, perform a hard reset first. Then check and replace a faulty electrical outlet, your TV’s damaged cable, defective internal hardware, etc.
Why does my Sharp Aquos TV keep turning off?
Your Sharp Aquos TV keeps shutting off mainly due to overheating TV, inadequate power supply in TV, loose or damaged power cord, faulty remote sensor, incorrect sleeper time setting, etc.
Why is the power light blinking on my Sharp Aquos TV?
Your Sharp Aquos TV’s power light blinks mainly due to a software error or outdated firmware, the TV’s wrong setting, or faulty internal hardware. A flashing red light means TV is experiencing an error.
So, after going through this comprehensive troubleshooting guide, now you know the factors responsible for white spots on Sharp Aquos TV screen.
If you see any white dots on your Sharp TV, try fixing it by yourself at home. Don’t hesitate to comment if you fail. We will help you ASAP.
William Gonzalez is a passionate researcher & electronics expert who is dedicated to solve complex electronic issues. Plus, he has a passion for sharing his knowledge & expertise in this field with others. Well, he breaks down the complex technical concepts into simple terms & shares them with his readers so that they can easily troubleshoot the problems with their electronic products as well as save their pockets.