Sanyo TV Won’t Turn On? Fix It Now!

Marc Ray

by Marc Ray

Last Updated on

Sanyo TV Won't Turn On? Fix It Now!

If your Sanyo TV won’t turn on, try a quick power cycle:

  1. Turn off your Sanyo TV and unplug the power cord.
  2. Press and hold the power button for 20 seconds.
  3. After 20 seconds, plug the TV’s power cord into the outlet.
  4. Turn on the TV.

My Sanyo TV went dark, and it just won’t turn ON, and then I was having anxiety attacks!

  • Had a power surge fried its circuits?
  • Was a faulty cable the culprit?
  • Or was my beloved entertainment companion finally taking its last breath?

The possibilities raced through my mind.

Before deciding to buy a new TV, I thought of trying to fix it myself and succeeded after spending 10+ hours researching.

You won’t have to go through the hassle I did; I am writing this article to help you fix your Sanyo TV that won’t turn ON.

Why your Sanyo TV won’t turn ON?

First, we will investigate what may be causing your Sanyo TV’s power issue. Only then can we get into possible solutions.

Causes:

  • Problem with the backlight: The panel that lights up the screen—the backlight—could be broken.
  • Faulty Board Connections: The picture signal-transmitting T-CON board may have a broken or loose connection to the main board.
  • Hardware Issues: A malfunctioning motherboard or internal components like blown capacitors could cause a hardware failure.
  • Firmware Issues: An issue with the TV’s firmware may be causing the picture not to display correctly.

Potential Hardware Causes:

ComponentsFailure Symptoms
MotherboardThe image will be distorted, and your TV won’t respond to controls.
Power BoardYour Sanyo TV won’t turn on, there will be no lights, or the power cord will be hot.
CapacitorsScreen will be flickering, and your TV will be producing distorted sound. Other then that the TV will also be facing power issues.
Backlight PanelThe TV will power ON, but there will be no display. You will be able to see pixels while flashing a torch on the screen.

How to Fix a Sanyo TV That Won’t Turn On?

Don’t freak out if your Sanyo TV won’t power on! This guide will lead you through a quick troubleshooting solution that usually fixes the problem.

1. Try the Sanyo TV Buttons First

It’s important to rule out a straightforward remote problem before proceeding with any troubleshooting.

Turn on your Sanyo TV directly using the buttons on the TV itself. It will verify if the TV or the remote control is the issue.

Use the troubleshooting methods listed below if the TV won’t switch on using the buttons.

If the Sanyo TV Buttons Work, it’s Your Remote that is at fault:

  • Replace batteries: The remote might have low batteries; try to replace them.
  • Reset the remote: The remote might be bugged. Remove the batteries and hold the power button on the remote for 20 seconds, then put the batteries back inside. Then, use the remote to see if it has been fixed.
  • Clean the IR sensor: Clean the IR sensor with a dry cloth.

This initial step lets you identify and resolve a simple remote issue before moving on to more complex troubleshooting.

2. Power Cycle Your Sanyo TV

The first and easiest solution is to power cycle your TV.

Here’s how to do it:

Step 1: Unplug the power cord from the power outlet.

Step 2: Hold the power button on your TV for 15-20 seconds. You can find the power button on the right side of the TV. Holding the power button while the TV is turned OFF helps drain all the capacitors’ static charge.

Note: Your TV model will determine the exact position of the power button. For further information, consult your user handbook.

Step 3: After 20 seconds, release the power button and plug the TV’s cord back into the outlet.

Step 4: Power ON your Sanyo TV.

If the TV powers on successfully, you’re good to go! If the problem persists, another underlying issue might require further troubleshooting.

3. Blow the Hot Air into your TV Vents

Warning:

You must be careful while using this troubleshooting since too much heat will ruin your TV. You should ignore this method if you are uneasy about this procedure.

Here’s why this method might work:

The TV’s internal capacitors may eventually lose their charge or alter in capacitance, particularly if it has been off for a few weeks or months.

The TV may not turn on as a result of this.

The capacitors are made to restore their charge and resume normal operation by applying hot air.

Here’s how to do it:

  1. Make sure you have plugged your TV into a power outlet.
  2. Turn ON your hair dryer.
  3. Depending on how your Sanyo TV is designed, you might have to flip it over to make the vents visible. Look for tiny air-flowing apertures on the TV’s sides or back.
  4. Hold the hair dryer about 15 inches from the TV vents and blow the air for 30 seconds. (Use a low heat setting to avoid overheating any components.)
  5. Unplug your TV, wait for 5 seconds, and then plug it back in.

Try powering on your TV now.

If the capacitors were the problem, the TV should now power on successfully.

That’s all; your Sanyo TV should now function after you successfully artificially replenished the capacitors, presuming that was the cause of the issue.

4. Ensure your Power Outlet is Working Correctly

Even though it’s less likely to be the cause, the power outlet may be the problem.

Take these actions to rule this out:

Step 1: Unplug the power cable from the wall socket.

Step 2: Use the same outlet for another appliance, such as a phone charger.

Step 3: Try to use the phone charger to charge your phone.

Step 4: If your phone starts charging, the outlet is in good working order. In this instance, the TV itself most likely has a problem. If your phone is still not charging, you have found the culprit already.

While this may seem minor, checking the power source is crucial in troubleshooting the problem. By eliminating potential causes, you can get a clearer picture of the issue and determine the next action.

5. Skip the Surge Protector

Electronics are frequently shielded from unforeseen power spikes by surge protectors. Although they are quite useful, occasionally they might break down and stop your TV from turning on.

Here’s how to check if your surge protector is causing the problem:

  1. Find the surge protector and unplug your Sanyo TV from it.
  2. Plug your TV directly into a power outlet.
  3. Try turning on your TV.

If your TV turns on successfully, the problem likely lies with the surge protector. You can use a different surge protector or bypass it altogether.

However, it’s important to note that doing so may leave your TV vulnerable to power surges.

If your TV still doesn’t turn on, the problem lies elsewhere. Continue troubleshooting by following the other steps in this guide.

6. Check your Power Cable

A damaged or faulty power cable is often why your Sanyo TV won’t turn ON.

Here’s how to check:

Inspect:

  • Look for fraying, cracks, or exposed wires.
  • Check connectors for damage or rust.

Ensure Connections:

  • Ensure that the TV and wall outlet are properly plugged into the cable.
  • Press hard until it locks into position.

Surrounding Area:

  • Make sure that nothing is pinching or blocking the cord, such as furniture.
  • Make sure it’s not overly knotted or strained.

Additional Tips:

  • Grab another suitable power cable.
  • Eliminate any extension cable use.
  • Replace the power cable with a new one if it is damaged.

7. Make Sure Your Input Is Right

Your Sanyo TV may be powered on, but you’re viewing the wrong input source. In short, your TV is technically working, but you’re not seeing the picture.

Follow these steps to change the input source:

Method 1: Using the Sanyo TV Menu Button

Source: https://www.youtube.com/watch?v=3as7SrpNO-0

  1. Locate the button on the back of the TV, next to the inputs.
  2. Press the button repeatedly to cycle through the available inputs, such as HDMI 1 and 2.
  3. Once you have reached the desired input, leave the button and wait a few seconds, and that input will be selected as the source, and the menu will disappear.

For example, to launch HDMI 1, press the button repeatedly until HDMI 1 is highlighted, then wait a few seconds without pressing the button again.

Method 2: Using the TV Remote Control

  1. Find and press the Home button on the TV remote.
  2. Use the arrow button to navigate to the correct HDMI input source.
  3. Select the desired input source corresponding to the HDMI port you’re using for your device (e.g., HDMI1, HDMI2).
  4. The TV should now display the picture from your chosen device.

Tip: If you need help determining which input source to choose, look at the back inputs of your TV and see which HDMI port number is connected to the streaming device you want to stream.

8. Ensure the TV’s Backlight is working Correctly

Even when your Sanyo TV is powered ON, it may look black due to a defective backlight panel; however, this is not a regular issue.

With less expensive or older TVs, this problem is more common.

What is a Backlight Panel?

A backlight panel is the bright light behind your TV screen that makes the picture visible.

Here’s how to check for a backlight issue:

  1. Power ON your TV.
  2. Flash your phone’s torch directly to your TV’s screen.
  3. The backlight panel might be partially functional if you can see faint images or outlines on the net.
  4. The backlight panel is likely damaged if you can’t see anything on the screen, even with a flashlight.

If you suspect a backlight issue, there are two options:

  • Contact Sanyo support: They may offer repair options or replacements depending on the warranty status of your TV.
  • Consult a qualified technician: They can diagnose the issue precisely and determine if they can repair the backlight panel or if it needs replacement.

Remember: It is not advised to try fixing the backlight panel independently, as it can require taking the TV apart and working with delicate electrical parts. It can be harmful and nullify your warranty.

Following these steps and seeking professional assistance if needed, you can get your Sanyo TV back up and running quickly.

9. Factory Reset Your Sanyo TV

Warning: A factory reset will restore the TV to its initial configuration by erasing all your data and settings. Your stored passwords, accounts, applications, Wi-Fi connections, and channel preferences are all included in this. Please continue if you are comfortable doing so and have already backed up any crucial data.

Here’s how to factory reset your Sanyo TV:

  1. Plug your TV into a power outlet.
  2. Locate the reset button on the back of your Sanyo TV. It’s usually near the HDMI inputs, inside a small hole.
  3. You’ll need a small, pointed object like a paperclip or a SIM ejector tool to press the button.
  4. Insert the object into the hole and press the reset button firmly. You should hear a clicking sound.
  5. Hold the reset button for 20 seconds.
  6. The TV will now restart and go through the initial setup process. You must follow the on-screen prompts to set up your language, Wi-Fi, and other preferences.

Important Notes:

  • You should only perform a factory reset if other troubleshooting methods have failed.
  • Consult your TV’s manual or contact Sanyo support if you need clarification on any steps.

Following these steps carefully, you can factory reset your Sanyo TV and hopefully resolve any persistent issues.

10. Contact Sanyo Support

Please get in touch with Sanyo Support if you have attempted all of the following troubleshooting methods and your Sanyo TV still won’t switch on.

They can aid in diagnosing the problem and provide additional support.

They are available Monday-Friday (9 AM till 7 PM EST). You can call them at 1-866-212-0436.

Preventing Sanyo TV Won’t Turn On Issues: Proactive Tips

Even while troubleshooting might assist in resolving a black screen problem on your Sanyo TV, being proactive can help you avoid aggravation and waste time.

For preventative maintenance of your TV, consider the following advice:

Maintenance in Advance:

  • Dust frequently: An accumulation of dust near the vents can impede airflow, result in overheating, and perhaps cause a power outage. Dust the vents carefully regularly with a clean, dry cloth.
  • Steer clear of direct sunlight: It can cause overheating and harm the internal components of the TV. Place your TV where it receives as little direct sunlight as possible.
  • Handle cable connections: Poor or loose cable connections might interfere with the signal and result in a problem where the device won’t switch on. Verify that every cable is firmly secured to the TV and the other devices.
  • Update software: Sanyo periodically publishes updates to its software that address issues and enhance functionality. Frequently check for available updates, then install them right away.
  • Use surge protector: Put a surge protector to use as power surges have the potential to harm electronics, especially TVs. To shield your TV from unanticipated power fluctuations, use a surge protector.
  • Adjust power settings: Modify the power settings to save energy and avoid overheating. It includes lowering the brightness and screen timeout settings.
  • Use caution when handling the TV: Don’t bump or set anything heavy on top of it.

Lifestyle Practices:

  • Properly power down your TV: When not in use, switch it off entirely rather than merely placing it in standby mode. It lowers the risk of overheating and energy usage.
  • Unplug the TV during storms: To prevent damage from lightning surges, unplug the TV during thunderstorms or times of strong electrical activity.
  • Clear of excessive heat: Keep your TV away from intense heat sources like radiators and ovens.
  • Check for damage often: Regularly check the TV and cables for any obvious indications of deterioration.

By adhering to these preventative suggestions, you can guarantee that your Sanyo TV continues to give you years of fun without any unanticipated powering troubles.

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About the author

Marc Ray

Marc Ray

Marc Ray, Founder of Domotics101.com. A tech enthusiast & expert in smart home technology, helping homeowners upgrade their homes with the latest smart home security & automation solutions. Marc has over 10 years of experience in smart home technology. He holds a certification in Home Automation Systems and has been featured in Hubspot. You can learn more about Marc and his work. Read his Book, Smart Home Hacks!

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