Blue tints are very common on TVs older than two or three years. This is because of the design of the LEDs used in the backlight and the fact that they can easily burn out. LG TV backlight panels use blue-light LEDs as their base, with a phosphor yellow coating over the LED.
How to Diagnose + Fix Backlight Issues With Vizio TVs. 1. Vizio TV Black On The Top or Side. 2. Check for Power Board Failure. 3. Dark Areas of Your Screen is an Inverter or Backlight Issue. 4. Failures at the Individual LED Level.
Don't know the TV but check which board actually feeds power to the backlights. On some TVs the power comes via the mainboard. Trace the wires back from the backlights to see which board they connect to. usually the backlight power connector on a board will have a legend close by stating +VLED and -VLED pinouts for the connector.
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Solution: Calibrate the colors through the app settings. Ensure the lights are updated with the latest firmware. 3. Unresponsive Lights. Issue: The lights are not responding to commands. Solution: Check the power source and connections. If using a remote, replace the batteries. Restart the lights and app. 4.
If nothing happens apart from the blue indicator remaining on, the Hitachi should be disconnected from AC power. The power button on the TV should be pressed and held for 20 seconds. After a minute, the TV should be plugged back in and the power button pressed once. If the problem persists, it indicates an internal failure that requires service.
2. LED Keeps Blinking on the TV. If the LED keeps blinking on your TV, it means your TV needs a soft reset or power reset. Follow the instructions above. 3. Unresponsive Remote Control. Before proceeding to any troubleshooting, make sure that the remote control has fresh batteries.
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The problem has various solutions according to each case. 1. Dimming of backlight Open the service mode with the help of Ridaex Hyperlocal Support on the call and change the backlight value. 2. Old aged backlight If the LED TV is old enough, the life of the backlight would have reduced. It's recommended to replace the entire backlight kit
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