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Diagnostic Jan 02, 2026 5 Min Read

No Picture But Sound OK? IT is Likely Your Backlight

It is a classic symptom: You turn on the TV, hear the startup chime, hear the channel audio, but the screen is pitch black. Many people think the screen is broken, but it's usually just the light bulbs inside.

What are Backlights?

Modern LED TVs work like a lamp behind a stained-glass window. The LCD panel creates the image (the window), but strips of white LEDs behind it (the lamp) make it visible. If those LEDs burn out, you get no picture.

The Flashlight Test

1. Turn on the TV.
2. Shine a dedicated torch/flashlight angled close against the screen.
3. Look closely. Can you see a faint ghost image?

If yes, your screen is fine! You just need new backlights.

Repair Cost in Nalasopara

Replacing backlights is very affordable compared to a new TV:

  • 32 Inch: ₹1,800 - ₹2,500
  • 43 Inch: ₹2,800 - ₹4,000
  • 55 Inch: ₹4,500+

Prices include full set replacement (recommended) rather than just changing one bulb.

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