Learn how to fix blue horizontal lines on your TV screen with these simple troubleshooting steps. Say goodbye to annoying display issues!The screen is one of the most vulnerable spots of any TV. You may notice broken pixels or stripes on it. There may be many reasons for such defects, so don’t get depressed and criticize the manufacturer!
These Blue Horizontal Lines on TV Screen can be caused by a variety of factors, such as loose connections, damaged cables, faulty hardware, or even incorrect settings on your TV. Identifying the root cause will help you determine the best course of action to fix the issue.
Main reasons for Blue Horizontal Lines on TV Screen.
There are some reasons why stripes appear on a TV, you should know this in order to quickly fix the problem, they are as follows:
- If a narrow vertical stripe appears on the TV, it may mean that the matrix is faulty and needs repair. If the vertical stripe on the TV is very narrow, then in this case there is a possibility that the malfunction can be eliminated by itself, simply, in this way, the matrix gives an error. But if the vertical stripe on the TV is wide enough and takes up almost the entire screen, then it is necessary to urgently call a specialist and carry out diagnostics and repair;
- If a narrow horizontal strip appears on the TV, this may indicate problems with the decoder. If repairs are not made in time, the horizontal strip on the TV will expand and soon occupy the entire screen, this is a serious breakdown that will require a complete replacement of the matrix, which will be quite expensive;
- stripes on the TV can also appear if the cable has disconnected from the matrix. This can cause color distortion and streaks in the image, such a breakdown is eliminated by re-soldering the contacts;
- Narrow horizontal stripes on the TV screen of white color indicate that a scanning malfunction has begun. Basically, it fails when there are voltage drops and other factors that can affect its operation. Also, horizontal stripes on the TV screen can mean mechanical damage, which is quite reflected in the operation of the scanning.
How To Fix Blue Horizontal Lines on TV Screen.
The first thing to do is to check the cable connection and the video connector itself. There are cases when the socket is clogged or the cable is not tightly connected, which can cause interference. The second point: check the image settings of your TV and reset them to default. If the manipulations do not bring results, then you have a serious breakdown that should be found and fixed.
- There is no power supply to the microcircuit. To fix the problem, it is enough to check the microcircuit and its strapping. If there are ring cracks in the soldering, they need to be soldered.
- The capacitors located near the microcircuit are faulty. They need to be replaced with new ones, and the problem will be fixed.
- Controller failure on the matrix. This is often a manufacturing defect, so if the TV is under warranty, it needs to be replaced with a new one.
- T-CON failure, which converts signals from the main board. It is difficult to fix such a failure on your own.
- Decoder malfunction. In this case, a black horizontal stripe often appears on the blue screen. The breakdown must be fixed immediately, otherwise the cost of repairs will increase several times.
If you follow all these simple rules, you can protect your TV from possible breakdowns, the repair of which will cost you a considerable amount of money, so it is better to treat the equipment carefully and take proper care of it.