Basic troubleshooting tutorial for a Samsung LCD TV that will not power on and does have standby.
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Here we have a thirty two inch Samsung LCD TV. In this video we are going to discuss some basic troubleshooting methods for a Samsung TV that does not power on and does have a standby light in the front of the TV. In most Samsung LCD TVs we will have 4 boards. We have the main board, the power supply board, the backlight inverter. The backlight inverter can sometimes be covered by a plastic or metal shield. We also have the t-con board, the t-con board can also sometimes be covered by a shield.
Click the link in the video for more information on the basic functions of these boards. If you cannot power on your TV, the first you will want to check is that you have the TV plugged into an outlet that is working. After making sure that the outlet is working, you will want to check and see that your TV has a standby light. The standby light will typically be blinking or illuminated on the front of the TV. If you do not see a light in the front, then you do not have standby.
If your TV will not power on, and you do have standby, then the problem is most likely with either the power supply or the main board.
The first thing you can do is to visually inspect the main board and power supply looking for damaged components. Here we have a closeup of the power supply. You can look over the board and do a visual inspection looking for any raised or puffy capacitors, or any burnt or damaged components. Here are some examples of what a puffy capacitor or burnt and damaged component will look like. If you have any damaged components that look this way, you should replace the board.
If there is not a replacement board available, you can also try replacing the individual components or purchasing a repair kit. Removing and installing new components requires the ability to be able to solder.
When looking for damaged components or burn marks, you can also look at the bottom side of the board. You would simply just need to disconnect all of the cables and then remove the screws that hold the board to the panel.
Be sure when disconnecting cables and removing screws, that you take a picture of what the board looks like in the original state with all of the cables connected and then you will have a reference for when you reconnect all of the cables.
Here is a closeup of the main board. You can look over the board and do a visual inspection, again looking for any damaged components. If you have any damaged components, then you should replace that board. If you do not see any damaged components, the next step would be to check voltages on the power supply and the main board.
If you do not have the skills or tools to check voltages, but still want to try and fix your TV, you could also replace the power supply and main board one at a time and see if one of those two boards fixes the problem. If you are going to purchase multiple boards, and replace them individually to see if one of the boards, fixes the problem, before purchasing, be sure to understand the return policy of the company you are purchasing from, as there may be restocking fees for any returned parts or parts that are not returnable at all.
Here are some other videos that can help with Samsung LCD TV Repair troubleshooting. Click on any of the links to view the video.
Thank you for watching our Samsung LCD troubleshooting video for Samsung LCD TVs that will not power on and do have standby. If you have any further questions regarding your repair, simply post a question in the comment section below, we strive to learn and share new TV repair tips everyday. Subscribe to our YouTube channel and grow with us. Share our videos with your friends to help us spread the savings, and don't forget to hit that Like button.

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