There are a number of reasons why you might want to do a repair. One of it is that your television may be powering off on its own or it may take a long duration to get reception as soon as it is turned on. Lucky enough, this kind of issue can be solved by TV power supply repair. Before beginning, below are some of the crucial steps you need to look into.
There are a number of tools you will need to effectively do the job. They include a capacitor, soldering iron, solder, screwdriver and a solder sucker. Confirm that your toolbox has all these items, and if not, you will have to go to the store. You should first determine if the problem is really what you want to repair. In television electric supplies, capacitors normally go bad causing them to leak and bulge hence the monitor will not get power.
Once the television has been unplugged from its power source, ensure you place it on a flat area with the screen facing down to prevent any damages. You can then detach all screws that have attached the back panel with a screwdriver. After all of them have been removed, you can detach the back panel by wiggling it a little bit since it is not secured with bolts and then keep it aside.
Check where the circuit board is by keenly following its connection to the power cord. You should then loosen the bolts and connectors attached on the board with the help of a screwdriver. You ought to take note on their connection so that you correctly reattach them. Take pictures of the connection to help you during reattachment to prevent you from forgetting. Once the connectors and bolts are loosened, disconnect the circuit board.
Locate the faulty capacitors. They are cylinder-shaped and vary in width and height. Most of them appear normal and therefore look for ones with a brown-yellow liquid coming from the top, or it has bulged at the top. This is an indication that the capacitors have overheated and are the cause of the fault. Remove them ensuring that you do not damage copper pads.
After all of the bad ones have been gotten rid of, replacement with new ones ought to be done. Make sure you note the positive and negative polarity while doing the replacement. Mark negative leads using a soldering iron on the board. The negative side normally has a stripe colored in gray. The capacitors need to be correctly installed since they are polarity complex.
Reassemble the device and the check power. After replacing connectors, back panel and screws, confirm whether the issue has been resolved. A power surge probably may have caused the fuse to blow. If the problem is not yet resolved, test the fuse. You will have to look for the appropriate fuse and replace it with the old one.
If none of these solves the problem, your last option is to replace the main circuit board of the device. This is because if it is damaged, the television would not work correctly. Before doing this, you should have guidance on how it should be replaced so that you do not cause further damage to the device.
There are a number of tools you will need to effectively do the job. They include a capacitor, soldering iron, solder, screwdriver and a solder sucker. Confirm that your toolbox has all these items, and if not, you will have to go to the store. You should first determine if the problem is really what you want to repair. In television electric supplies, capacitors normally go bad causing them to leak and bulge hence the monitor will not get power.
Once the television has been unplugged from its power source, ensure you place it on a flat area with the screen facing down to prevent any damages. You can then detach all screws that have attached the back panel with a screwdriver. After all of them have been removed, you can detach the back panel by wiggling it a little bit since it is not secured with bolts and then keep it aside.
Check where the circuit board is by keenly following its connection to the power cord. You should then loosen the bolts and connectors attached on the board with the help of a screwdriver. You ought to take note on their connection so that you correctly reattach them. Take pictures of the connection to help you during reattachment to prevent you from forgetting. Once the connectors and bolts are loosened, disconnect the circuit board.
Locate the faulty capacitors. They are cylinder-shaped and vary in width and height. Most of them appear normal and therefore look for ones with a brown-yellow liquid coming from the top, or it has bulged at the top. This is an indication that the capacitors have overheated and are the cause of the fault. Remove them ensuring that you do not damage copper pads.
After all of the bad ones have been gotten rid of, replacement with new ones ought to be done. Make sure you note the positive and negative polarity while doing the replacement. Mark negative leads using a soldering iron on the board. The negative side normally has a stripe colored in gray. The capacitors need to be correctly installed since they are polarity complex.
Reassemble the device and the check power. After replacing connectors, back panel and screws, confirm whether the issue has been resolved. A power surge probably may have caused the fuse to blow. If the problem is not yet resolved, test the fuse. You will have to look for the appropriate fuse and replace it with the old one.
If none of these solves the problem, your last option is to replace the main circuit board of the device. This is because if it is damaged, the television would not work correctly. Before doing this, you should have guidance on how it should be replaced so that you do not cause further damage to the device.
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