Single Coil LED LCD TV Backlight Driver Board – Universal Boost India

LED or LCD TV showing picture but black or very dim screen? The single-coil LED backlight driver board (constant current boost board) is the universal solution for TV backlight failures — it drives the LED strip backlights that illuminate the LCD panel.

What Is a TV Backlight Driver Board?

LCD panels don't emit light themselves — they require a backlight behind them. In older LCD TVs, this was a CCFL tube. In LED TVs, LED strips arranged in rows provide the backlight. A constant current driver board provides the precise regulated current each LED strip needs. When this board fails, symptoms include: picture visible only with a flashlight (backlight totally off), flickering backlight, partial black areas, or TV that turns on briefly then goes dark.

Universal vs OEM Backlight Boards

Universal boost boards like this single-coil design can be configured to drive most standard LED TV backlight strips — adjustable voltage and current settings allow matching to the original specification. Useful when the original OEM board is unavailable.

Key Features

• Single coil LED LCD TV backlight driver — constant current boost
• Universal modification board — configurable output
• Suitable 29-inch and similar LCD/LED TVs

Related Products

• SMPS Universal Power Supply Board 29-Inch Colour TV India
• VS.TP53U71.2 32-Inch LED TV Universal Combo Board India

Buy in India

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FAQ

Q: How do I test if my TV has a backlight failure?
In a dark room, aim a flashlight at the screen when the TV is on — if you can see a faint picture, the backlight has failed but the panel and main board are OK.

Q: Is this a DIY repair?
Requires intermediate electronics skills — LED strip voltage/current matching needed. WhatsApp for guidance before attempting.