TV Display Issue Repair in Nairobi
TVs are popular in many homes because they are affordable, smart, and offer good picture quality. But like all electronics, they can develop problems. One of the most common problems with TVs is display issues. Many people in Nairobi have faced problems like no picture, dark screens, lines on the screen, or colors not showing correctly.
This article explains common TV display issues, their causes, and how they can be repaired in Nairobi.
1. No Picture on the Screen
One of the most common display problems is when the TV turns on but there is no picture. You may hear sound, but the screen stays black.
Possible Causes:
- Faulty backlight
- Damaged screen panel
- Loose display connectors inside the TV
- Software problems
Repair Solution:
A technician will first open the TV and check if the backlight is working. If the backlight is faulty, it must be replaced. If the problem is with internal connections or the display board, they may be repaired or replaced. Sometimes, a software update or reset may solve the problem.
2. Screen Flickering
Flickering means the TV picture keeps flashing or blinking quickly.
Possible Causes:
- Loose cable connections
- Weak power supply
- Failing T-Con board (Timing Control board)
- Backlight or inverter problems
Repair Solution:
First, the technician will check all the cables and the power source. If the problem continues, the T-Con board or backlight inverter may be tested and replaced. In Nairobi, these parts are usually available at electronics repair shops.
3. Lines on the Screen
Vertical or horizontal lines across the screen are another common problem in TVs.
Possible Causes:
- Damaged LCD panel
- Bad T-Con board
- Loose ribbon cables
- Internal circuit board issues
Repair Solution:
The technician will open the TV and test the T-Con board and screen connectors. If any ribbon cable is loose, it will be reconnected properly. If the screen is damaged, it may need full replacement, which is usually more costly.
4. Dim or Dark Screen
Some TVs show a picture, but the screen is very dim or too dark, even at maximum brightness settings.
Possible Causes:
- Failing backlight LEDs
- Defective power board
- Picture setting error
- Display panel problem
Repair Solution:
The backlight LEDs may need replacement. A technician will open the screen and test the LED strips using a light tester. If the power board is the problem, it will be changed. Sometimes, adjusting picture settings or doing a factory reset may help.
5. Color Problems
Sometimes, the picture shows wrong colors. For example, the whole screen may look blue, red, or green, or the colors may look faded.
Possible Causes:
- Damaged color filter
- Bad display panel
- Internal motherboard fault
- T-Con board failure
Repair Solution:
The technician will test the T-Con board and the mainboard. If these parts are working fine, the problem may be in the screen itself. In this case, replacing the panel may be the only solution.
6. TV Turns On but Screen Freezes
Some TVs may turn on, show the logo, and then freeze. The screen doesn’t respond to the remote.
Possible Causes:
- Software crash
- Memory failure
- Motherboard issues
Repair Solution:
This is usually a software problem. A technician will try to update or reinstall the firmware using a USB stick. If the problem continues, the motherboard may need to be changed.
Repair Costs in Nairobi
Repair costs for TV display problems depend on the issue and the model of the TV. Simple repairs like backlight replacement or T-Con board changes cost less. Panel replacement is more expensive.
Here’s an estimated price guide:
Problem | Estimated Cost (KES) |
Backlight Replacement | 3,000 – 6,000 |
T-Con Board Repair | 2,500 – 5,000 |
Power Board Replacement | 3,000 – 5,500 |
Panel Replacement | 8,000 – 20,000+ |
Software Reset/Update | 1,500 – 3,000 |