Peony 8402 radio circuit schematic

Single Chip Microcomputer STM32L151CCU6 – A powerful and energy-efficient microcontroller ideal for low-power applications in audio devices.
Car Audio Crystal 3.2*2.5mm 3225 24M (24.000MHZ) 20PF 10PPM 20PPM 30PPM – High-performance crystal oscillator used for precise timing in car audio systems.
Shunluo Inductance Power Inductor SWPA Series – A high-quality power inductor, known for its stability and efficiency in power supply circuits.
Tantalum Capacitor TR3C107K010C0100 – Original part from 2011+, offering excellent capacitance and reliability in critical electronic circuits.

This detailed technical breakdown showcases the core components used in a classic radio model, such as the "Mudan 8402" radio. The circuit includes a high-performance microcontroller, precision oscillators, reliable inductors, and durable capacitors. These parts work together to ensure stable operation, clear audio output, and long-term durability. Whether you're working on a restoration project or studying vintage electronics, this information provides valuable insight into the internal workings of traditional radio systems. Understanding these components helps in diagnosing issues, replacing faulty parts, and maintaining the integrity of the original design.

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