TOP TEN TV FAULTS

TVs are one of the significant investments you make in home technology and a TV fault can be very frustrating if you do not understand why the faults are happening and the cause of the problem.

Today I am going to list the most common top 10 faults. I am empowering you to try some simple diagnosis to help you avoid the costs of getting a callout engineer involved. If you do still need to get a call out engineer involved then this is article is a win win for you as this self-diagnosis will help build your understanding of the issue thus reducing the call out time of the engineer saving you money.

 

1.TV shows a black screen and shows no signal message.

This means your TV is not getting a signal. Make sure that your Freeview or satellite box (or other device) is powered on and that the TV is set to the correct input – press Input, Source or TV/Video on your remote control. Check behind the TV for loose connections. If none of this works and you are trying to watch live TV, then check to You may need to “reset” your receiver, inspect your dish on antenna to see if it’s moved as it might need realignment.

 

2.TV image is “breaking up” or showing pixilation.

This is caused by a weak signal. In some cases, it can be the satellite signal between a live event and the television station (especially if you are watching live sports on the other side of the world). If it happens only when you attempt to watch HD or UHD, then it might be a compression artifact. In other words, this is a reception problem, not a problem with your TV. If it happens a lot, you can try reducing your sharpness setting.

 

  1. HDMI Cable Length

If the HDMI cable is too long, then you will get sparkling effects the sparking effects mean the cable is struggling to deliver enough band width. You can overcome this by Installing a shorter HDMI or a new high bandwidth Fibre optic HDMI cable. If the HDMI cable is plastered into the wall and you can’t get it a simple fix can be to reduce the screen resolution to a lower bandwidth at the source in the image settings.

 

  1. DAMAGED HDMI

A damaged can occur when the flat HDMI connector has is bent or has a kink. Or it could be that the HDMI connector is being pushed down this is especially common when source devices are in a cupboard and something is forcing the HDMI or up or down.

 

  1. DAMAGED HDMI PORT

This is when the HDMI had been bent up or down pushing against something in the back of a cupboard where the source equipment is located or the lead length is too short and has pulled tight with a poor bend radius putting pressure on the port. This can be resolved by replacing the HDMI or if the port sending the whole device back to the manufacturer.

 

The Remedies

Preventative measures can be taken to make sure this does not happen by installing your source devices into a pull and twist rack with cable management to make sure the HDMIs come out and stay fixed level to the port. Pull and twist racks mean you can move all source devices out on a rail and easily get in behind to the ports for maintenance without the risk of damaging anything.

 

  1. TV not properly showing 4K or other high resolutions.

There are two problems here. First of all, if your new 4K TV looks excessively bright and colourful and has blurred details, it’s probably put it into Vivid mode as from the factory. Vivid mode is for in-store shop display. You want to set it Movie/Cinema (or Game if you’re playing games). Another issue is that your AV receiver or anything else between the source and your TV needs to be HDMI 2.0a – or it simply does not support many kinds of 4K.

 

7.The TV does not respond to the remote.

Aim your mobile phone camera to the end of the remote, press a button on the remote and you should see the IR light up on the camera screen. If see the light, the remote is working fine and the problem is with the TV. Also make sure the TV is plugged in to a reliable power sockets, change outlets and see if the problem persists.

 

  1. Lines and missing pixels

If your TV has a cracked screen, then you will need to pay for a replacement. Compare cost versus buying a new TV. If the problem has occurred on its own developing spots, vertical lines, small dots, unusually bright pixels, fading, distorted shading, or colour issues, you may be able to use the warranty.

 

  1. Burnt in Images

Burn-in occurs whenever a persistent part of the image of a screen, such as a channel logo or a scoreboard, remains as a ghostly background

The Remedy

Manufacturers have developed software built into the TV’s settings to eliminate burn-in coming in the form of “Screen Shift” or Pixel Shift” and screen savers that scheduled to automatically pop up after extended time period

 

  1. TV settings are messed up.

The quickest way to get the settings back is to perform a factory reset in the TV settings. This varies from model to model. You should check the manufacturer’s website for instructions, but it generally involves pressing a specific combination of keys on the remote.

 

More Top 10 Faults 

 

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