تماس فوری
Why does the TV turn on but there is no picture?
Investigating TV backlight problems
Backlight failure symptoms
- There is sound but the picture is completely dark
- In strong light you can see the shadow of the picture
- The TV loses the picture after a few seconds
Failure of the power board and its effect on the lack of image
Symptoms of power board failure
- Turning on the power light without image
- Sudden turning off and on of the TV
- Burning smell or unusual sound
The role of board mine in creating the image problem
What are the symptoms of mine board failure?
- The TV turns on but there is no picture
- The device gets stuck on the logo
- Not recognizing the HDMI input
TV panel failure; The most expensive reason for not having an image
How to determine if the panel is damaged?
- Vertical or horizontal lines before cutting the image
- Black or white spots on the screen
- The image appears and disappears momentarily
Check cables and image input
Things to check
- HDMI cable failure
- Wrong image input selection
- Incorrect connection of digital receiver or console
The effect of power fluctuations on the image of not having a TV
Problems caused by power fluctuations
- Backlight burning
- Damage to the power board
- Main board failure
The TV turns on but there is no picture in different brands
The difference between brands in the type of failure
Why is specialized TV repair important in Karaj?
Advantages of specialized repair in Karaj
- Quick presence on site
- Reduction of travel costs
- Familiarization with the common defects of the area
Steps to repair TV without image professionally
- Initial troubleshooting on site
- Voltage test of different parts
- Backlight and panel check
- Repair or replacement of defective parts
- Final image test
