| Brand | Models | Versions |
|---|---|---|
| Samsung | UN40H5003AFXZC | |
| UN40H5003BFXZA |
Your TV’s power supply board takes the AC voltage from your outlet and converts it to various DC voltages needed to power everything in your TV.
• If your TV doesn’t turn on, it could be the power supply board.
• If you see very dim video or no video on the screen, but you know your TV has power and is on, then the power supply could be bad.
• If your TV turns on and then shuts off quickly, it could be your power supply board.
*These are helpful tips to get you started and don’t represent accurate diagnoses for every TV model and failure. If you’re unsure of your diagnosis, we recommend checking out our YouTube channel or reaching out to a local TV technician for assistance.
It's easy! Once you match the part number on your power supply board with the part number listed on this page to confirm compatibility, you’ll just need a screwdriver and the ability to remove the back of your TV and replace the board.
TV repair kits typically contain every board in your TV (excluding LED strips). If you’re unsure of your diagnosis, you can order this kit and replace all of the boards in your TV.
• A TV repair kit can fix most symptoms in your TV, from no power to no video or audio to WiFi issues.
*These are helpful tips to get you started and don’t represent accurate diagnoses for every TV model and failure. If you’re unsure of your diagnosis, we recommend checking out our YouTube channel or reaching out to a local TV technician for assistance.
It's easy! Once you match the part numbers on your boards with the part numbers listed on this page to confirm compatibility, you’ll just need a screwdriver and the ability to remove the back of your TV and replace the boards.
LED strips are the light source behind the LCD screen in LED TVs (yes, the screen is still LCD). These strips get their power from the LED driver or the power supply board and control the image brightness on your TV screen.
• If you see very dim video or no video on the screen, but you know your TV has power and is on, then the LED strips could be bad.
• If you see very dim video or no video on only a portion of the screen while the rest of the screen is bright/normal, then the LED strips could be bad.
*These are helpful tips to get you started and don’t represent accurate diagnoses for every TV model and failure. If you’re unsure of your diagnosis, we recommend checking out our YouTube channel or reaching out to a local TV technician for assistance.
While replacing your LED strips isn’t hard, you’ll need to be careful when tearing down your screen assembly to access them. We recommend following our video tutorials on YouTube and taking your time.
