TV picture or sound problems are common-but often easy to solve at home. Follow this guide to fix syncing, pixelation, or no-picture issues before calling an engineer.
Try and fix Your TV at Home With These Simple Steps.
TelevisionWhen this issue occurs, the image on the TV will look squashed, stretched or cropped. This means that the aspect ratio the TV is currently set to is not the most ideal for viewing. This picture size setting can be found on the TV’s menu and most options would include a Zoom, Stretch, Wide or 16:9 Aspect Ratio feature. This feature can be readjusted to a setting that best suits the viewer’s preference.
The default picture mode of TVs are intentionally calibrated to set the colour white to appear slightly bluer than the actual white colour and this setting is known as the ‘white balance’ which is designed to make the picture look cool. This calibration applies to Normal, Standard and Vivid picture modes. To change the colour setting of the TV, the White Balance or Colour Temperature option can be located on the TV’s menu and this setting can be readjusted to a Cool, Normal or Warm.
To turn programme captions on or off, a Closed Caption button is located on the TV remote and it can also be accessed from the TV menu.
An audio delay happens when the video and audio feed are not in sync and the picture is seen before any corresponding sound is heard, and this creates a ‘voice-over’ effect. To correct this audio delay, this feature can be readjusted under the Audio settings on the TV menu.
When the TV turns on but does not display a picture, it is because the TV is on a wrong input. When this problem happens, the input can be corrected by pushing a button on the TV remote that is labelled ‘Input’ or ‘Source’ or sometimes, ‘TV/Video’.
The trick is to continuously press the ‘Input’ or ‘Source’ button to cycle through all the inputs until the TV can display a picture which means that it is now on the right input. If the TV is on the right input but there is still no picture being displayed, then the cable or satellite receiver needs to be checked to ensure that it is turned on and all connections are secure. Additionally, the cable box can be reset by simply unplugging it and plugging it back in.
When an ‘echo’ effect can be heard from the TV, this probably means that there is a separate sound system such as an external sound bar or a surround sound system that is turned on as well and audio feed is coming from both the external sound system and the TV speakers. Audio volume should only be coming from one source and in this case, the TV speakers should be disabled or muted to cancel this apparent ‘echo’ effect that is happening from audio sound playing from both sources.
When a TV image is pixelated, it gives the viewer an impression that it is ‘cutting in and out’. This is because the picture will look like it is breaking up and the screen will portray a bunch of random squares. When this happens, the most likely reason is that the signal is weak or the connection is loose. A check should be done for all the connections from the wall to the cable box, and from the cable box to the TV to ensure that all connections are secure. If necessary, the connections may be unplugged and reconnected.
When this issue occurs, the image on the TV will look squashed, stretched or cropped. This means that the aspect ratio the TV is currently set to is not the most ideal for viewing. This picture size setting can be found on the TV’s menu and most options would include a Zoom, Stretch, Wide or 16:9 Aspect Ratio feature. This feature can be readjusted to a setting that best suits the viewer’s preference.
The default picture mode of TVs are intentionally calibrated to set the colour white to appear slightly bluer than the actual white colour and this setting is known as the ‘white balance’ which is designed to make the picture look cool. This calibration applies to Normal, Standard and Vivid picture modes. To change the colour setting of the TV, the White Balance or Colour Temperature option can be located on the TV’s menu and this setting can be readjusted to a Cool, Normal or Warm.
To turn programme captions on or off, a Closed Caption button is located on the TV remote and it can also be accessed from the TV menu.
An audio delay happens when the video and audio feed are not in sync and the picture is seen before any corresponding sound is heard, and this creates a ‘voice-over’ effect. To correct this audio delay, this feature can be readjusted under the Audio settings on the TV menu.
When the TV turns on but does not display a picture, it is because the TV is on a wrong input. When this problem happens, the input can be corrected by pushing a button on the TV remote that is labelled ‘Input’ or ‘Source’ or sometimes, ‘TV/Video’.
The trick is to continuously press the ‘Input’ or ‘Source’ button to cycle through all the inputs until the TV can display a picture which means that it is now on the right input. If the TV is on the right input but there is still no picture being displayed, then the cable or satellite receiver needs to be checked to ensure that it is turned on and all connections are secure. Additionally, the cable box can be reset by simply unplugging it and plugging it back in.
When an ‘echo’ effect can be heard from the TV, this probably means that there is a separate sound system such as an external sound bar or a surround sound system that is turned on as well and audio feed is coming from both the external sound system and the TV speakers. Audio volume should only be coming from one source and in this case, the TV speakers should be disabled or muted to cancel this apparent ‘echo’ effect that is happening from audio sound playing from both sources.
When a TV image is pixelated, it gives the viewer an impression that it is ‘cutting in and out’. This is because the picture will look like it is breaking up and the screen will portray a bunch of random squares. When this happens, the most likely reason is that the signal is weak or the connection is loose. A check should be done for all the connections from the wall to the cable box, and from the cable box to the TV to ensure that all connections are secure. If necessary, the connections may be unplugged and reconnected.
Disclaimer: The information provided by Service Box is for general guidance only. Attempting repairs on your own appliances or devices carries risk. Some repairs may void the manufacturer's warranty, and Service Box accepts no responsibility for any damage, costs, injury, or issues arising from attempts to carry out repairs based on this information. Always take proper safety precautions, especially when working with electrical equipment, to avoid the risk of electric shock, and be aware that electronic components can be damaged by static discharge. Check your manufacturer's warranty documentation before attempting any repair, and if in doubt, consult a qualified professional.
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