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Description
Universal CCFL Inverter LCD Monitor 4 Lamp 10-30V – Laptop 15-22 Inch IndiaLCD monitor or laptop screen flickering, dim, or completely dark with backlight not working? The universal CCFL inverter board (4 lamp, 1030V input) drives the cold cathode fluorescent lamps that illuminate older LCD screens a very common repair part for CCFL backlit LCD monitors and laptops from 20052015. What Is a CCFL Inverter? CCFL (Cold Cathode Fluorescent Lamp) backlights require high voltage AC to operate typically 600V1000V AC at 4080kHz. The
LCD monitor or laptop screen flickering, dim, or completely dark with backlight not working? The universal CCFL inverter board (4-lamp, 10–30V input) drives the cold cathode fluorescent lamps that illuminate older LCD screens — a very common repair part for CCFL-backlit LCD monitors and laptops from 2005–2015.
What Is a CCFL Inverter?
CCFL (Cold Cathode Fluorescent Lamp) backlights require high-voltage AC to operate — typically 600V–1000V AC at 40–80kHz. The inverter board converts the laptop or monitor's low DC voltage (10–30V) to this high-voltage AC supply. When the inverter fails, the backlight goes dark — but the screen image is still visible when viewed in bright external light.
CCFL vs LED Backlight — Why This Matters
| Display Type | Backlight | Inverter Needed? |
|---|---|---|
| Older LCD (pre-2012) | CCFL tubes | ✅ Yes — this product |
| Modern LED LCD | LED strips | ❌ No inverter needed |
How to Diagnose CCFL Inverter Failure
- Screen completely dark but you can faintly see the image when shining a torch — inverter failed
- Screen flickers on startup then goes dark after a few seconds
- Screen works but is very dim even at full brightness setting
Key Features
- Universal CCFL inverter — 4 lamp, 10–30V input range
- Compatible 15-inch to 22-inch widescreen LCD monitors and laptops
- Universal design — fits multiple LCD monitor and laptop brands
- Restores full backlight brightness
Related Products
- SMPS Universal Power Supply Board – 29 Inch Colour TV
- LVDS Cable 30-Pin for LED TV – Compatible Replacement
Buy in India
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FAQ
Q: How do I know if my laptop has CCFL or LED backlight?
Check the laptop's manufacturing year — pre-2012 laptops mostly used CCFL. Post-2012 mostly LED. You can also check by looking at the screen edge — CCFL screens have a slightly thicker bezel housing the fluorescent tubes.
Q: Is CCFL inverter replacement DIY?
Moderate-advanced difficulty — requires disassembling the laptop/monitor, locating the inverter board, and replacing it. High voltage is present when the inverter is operating. Recommended for experienced electronics repair technicians.
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy