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🔧 What is the Motherboard in a Sony TV?
The motherboard (also called the main board) is the heart of your Sony TV. It handles:
Video and audio processing
HDMI / USB / AV input controls
Power management signals
Wi-Fi / Bluetooth functions
When it malfunctions, the TV may show symptoms like:
No display or sound
TV stuck on logo / boot loop
Inputs not working (HDMI, USB)
No power-on or random restarts
