TV: Most modern flat-screen TVs, especially LCD and LED TVs, use multiple PCBs to control various functions such as power supply, input and output, audio processing, display drivers, etc.
Computers and Laptops: motherboards, graphics cards, sound cards, network cards and other components of computers and laptops.
Mobile Phone: The circuits of the mobile phone are all built on the PCB, including the main system board, charging circuit board, display driver, antenna board and other components.
Camera: Consumer digital cameras and video cameras typically use multiple image processing, storage, shutter control, flash control, autofocus, display drivers, and power supplies.
Audio Equipment: home stereo systems, speakers, headphones, etc., audio amplifier circuits, input/output controls, and power supplies.
Gaming Consoles: Gaming consoles such as PlayStation, Xbox, and Nintendo Switch require board connections for central processing units, graphics processing units, game cartridge/disc drive interfaces, wireless and Bluetooth connectivity, and more.
Household Appliances: small appliances, such as microwave ovens, blenders, vacuum cleaners, coffee machines, etc., most of which have electronic controls, timers and power circuits, all of which require PCBs to implement.