[Fix] Mitsubishi Big Screen TV Won’t Turn On (100% Working)

It is normal to face some minor problems with electronic devices even for popular and branded devices such as Mitsubishi big screen television. Many users have reported a problem that their TV is not turning on.

If you are facing the same issue with your Mitsubishi TV, then you can understand how frustrating the issue is. But don’t get panic because it is not any major problem and you can fix it if you are guided correctly.

Fortunately, this guide will show you how you can determine the reason for the mentioned issue and will provide effective solutions to fix this problem. So, let’s fix Mitsubishi TV that won’t turn on without wasting any time.

Reasons for Mitsubishi TV Not Turning On

 There can be several different causes for Mitsubishi TV not turning on issue. Here are the most common reasons:

1. Blown or damaged fuse
2. Problem with the power supply circuit
3. Problem with the screen backlight
4. Fault in the Settings
5. Overheating

As you don’t know the exact reason for your faulty TV yet, you have to follow our provided troubleshooting guide to fix it appropriately.

How to Fix the ‘Mitsubishi Big Screen TV That Is Not Turning On’ Issue

Here is the complete guide to fixing all possible causes for Mitsubishi TV not turning on issue.

Fix-1: Faulty Power Supply

Your Mitsubishi TV may not turn on due to a power supply fault. Follow the instruction below to solve it.

• First, unplug your TV from the power outlet.
• Then, ensure that the wall outlet is working properly and providing enough voltage.
• Now, check if there are any cracks or critical bends on the power cord. Replace it if you find any defects.
• Also, check the circuit breaker and replace it if damaged.
• Re-connect all the cables firmly.

If you need to reset your Mitsubishi TV, then unplug the TV from the power source. After 30 seconds, plug it back then press and hold the power button for five seconds.

Fix-2: Faulty Remote Control

If you are pressing the power button on your remote control and yet your TV is not turning on, then press the next button on your TV, and if this turn it on, you will be sure that the remote has a problem and need to be fixed. Follow the instruction below to fix it:

• First, open the battery cover of the remote and change the batteries.
• Before inserting the batteries, perform a hard reset on your remote by pressing the power button for about 20 seconds.
• Now, insert the new batteries in the remote correctly.
• Then, open your phone camera and press the buttons of the remote while facing the censor towards the camera.
• If you see light on the camera then your buttons are working well.
• Now press the power button on your remote toward the censor of your TV and check if it is turning on or not.

Fix-3: Faulty Fluorescent Lamp T-con Board

The fluorescent T-con board is a core component of the television to turn on. If the T-con board is damaged then your TV won’t turn on. Let’s check it out in the following way:

• First, detach the LCD panel from the T-con board of your TV.
• Then, clean the board using a brush and contact cleaner.
• Now, check out the DC supply voltage on the board and test the other basic components.
• If you find any fault, then replace the defective t-board with the suggestion of experts and the issue with your TV will be gone.

Fix-4: Factory Reset the TV

It often happens that system settings errors prevent a TV from turning on. To fix it, you need to perform a factory reset on your TV. Here is how you can do it:

• First, you need to find the reset button on your TV. It is often situated inside the front panel of Mitsubishi TVs.
• After locating it, press the button using something like an unfolded paper clip.
• When you press the button, a green light will start flashing on the front panel of your TV.
• Now, wait until the light stop flashing and turn on the TV to check if the issue is solved or not.

Fix-5: Damaged Backlight

It happens sometimes that the TV turns on but the user can’t see it because the backlight is broken. How to confirm it? Follow the steps:

• First, take a flashlight and turn on your Mitsubishi TV.
• Then, turn the flashlight on and take it very close to the TV screen.
• Now if you see the picture, then your backlight is damaged and needs to be replaced.

Fix-6: Damaged Capacitors

Not only Mitsubishi TV, but any other branded TV also will not turn on without the capacitor. Let’s check it out:

• First, dissemble your TV and check the power board.  
• The cylindrical-shaped components that are situated in the middle of the mainboard are the capacitors of your TV.
• If the capacitors are swelling up on the top, and slightly bent outwards instead of flat, then you should assume that the capacitors are damaged and need to be replaced.
• Now, de-solder the bad capacitors and re-solder the fresh ones.
• Finally, reassemble your TV and turn it on. Hopefully, it will turn on normally this time.

Frequently Asked Questions

Why Is My Mitsubishi TV Screen Black?

Many small lights are situated on the back side of the display on a projection TV. It gives light to the screen. If the light bulb is damaged or burnt, then you will see the black screen of your TV while turning it on. But don’t worry these lights are not much expensive and can be replaced easily too.

Where Is the Reset Button on a Mitsubishi TV?

There is a small reset button inside the front panel of your Mitsubishi TV. You can open the front panel by pushing it. Then there is a small hole marked as reset. You have to insert a pointed object such as the tip of a paper clip into the hole and press it to perform a system reset. Release the button after the LED light stops blinking.

Why Is My Mitsubishi TV Not Turning On?

There can be several reasons that may prevent your Mitsubishi TV from turning on. All the possible causes and troubleshooting methods are described above in this article. You can also try resetting your TV by pressing and holding the “Power” button for 10 seconds.

How Do I Reset My Mitsubishi TV Lamp?

To reset the Mitsubishi TV lamp, press and hold the two arrow buttons and the power button simultaneously on your Mitsubishi remote control while the sensor is pointed towards the TV. If the status indicator blinks twice, then you’ve successfully reset the lamp of your Mitsubishi TV.

Conclusion

We hope you are now aware of all the causes behind the Mitsubishi TV not turning on. Also, you’ve learned to troubleshoot all those possible causes from this guide. The process of applying those solutions is also described in this article so do it accordingly to fix your TV.

Please don’t forget to let us know about the troubleshooting method that you will have to apply to fix the above-mentioned issue with your TV in our comment section below. Good luck fixing your Mitsubishi TV yourself.