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Backlight Driver Board
Television Backlight Driver Board: Estimated Prices in Nairobi for Different Sizes and Brands
The backlight driver board (also called the LED driver board) is found in modern LED-backlit LCD televisions. Its role is to regulate the current and voltage supplied to the LED backlight strips, controlling their brightness and ensuring even illumination across the screen. It is distinct from the power supply board: the PSU converts mains power, while the backlight driver specifically conditions that power for the LED strips. A failed driver board can cause the backlight to be too dim, too bright, unevenly lit, or completely off.
How common is this failure? Backlight driver failures are particularly common in older sets or those used in dusty environments (dust accumulates and causes overheating). It is a moderately priced repair compared to panel or main board replacement.
| Brand | Estimated Driver Board Price | Estimated Labour |
|---|---|---|
| Samsung | KSh 4,000 – 10,000 | KSh 1,500 – 3,000 |
| LG | KSh 3,500 – 9,000 | KSh 1,500 – 3,000 |
| Hisense | KSh 3,000 – 7,000 | KSh 1,500 – 2,500 |
| TCL | KSh 2,500 – 6,500 | KSh 1,500 – 2,500 |
| Sony | KSh 5,000 – 12,000 | KSh 2,000 – 3,500 |
Note: In many TVs the backlight driver circuitry is integrated into the power supply board, meaning both are replaced together. Always have a technician diagnose whether the fault is the driver or the PSU before ordering parts.
