Why is My TV Screen Black but Sound is Working? (Surat Repair Guide)
The Most Common TV Problem in Surat
If you turned on your Samsung, LG, Sony, or Mi TV and heard audio from news or movies, but the screen stayed completely pitch black, don't worry—your TV's main computer chip and display panel are usually 100% fine!
What Causes Black Screen with Sound?
Modern LED and Smart TVs use a strip of high-intensity Light Emitting Diodes (LED backlight) placed behind the LCD/OLED panel glass. Over 2 to 4 years of heavy usage in Surat's warm climate, one or more LED diodes burn out due to thermal stress.
Because the backlight circuit runs in series, a single burnt diode cuts off power to the entire backlight array. The display panel still receives video signals, but without light shining through it, the screen appears pitch black.
How to Confirm it at Home (Flashlight Test)
- Turn on your TV and play any channel so audio is audible.
- Grab your smartphone flashlight and shine it directly at the glass screen from 2 inches away.
- Look very closely. If you can see faint images or shadows moving behind your flashlight beam, your TV panel logic is intact and only the LED backlights need replacement!
How Atharva Cooling Point Repairs It at Your Doorstep
Our certified engineers visit your home anywhere in Surat (Adajan, Vesu, Varachha, Katargam, etc.) with brand-new, high-lumens aluminum-core LED strip replacements. We disassemble the bezel safely, replace the old strip array, calibrate voltage, and test brightness in under 45 minutes with a 90-day warranty!