CM-4 94V-0 designation refers to a specific hardware component, often found as a motherboard or system board in compact electronics like the Lenovo Smart Tab 8004 Essentiel B Smart Tab

longer alphanumeric string

If you are trying to repair a device, searching for "CM-4 94V-0" alone is often too broad. Instead, look for the nearby, such as: S130-14IGM (for Lenovo laptops) BN96-XXXXX (for Samsung monitors/TVs) 6050AXXXXX (for ASUS or HP motherboards)

  • Silkscreen and labeling

    Below I’ve broken down why, and provided what you’re likely actually looking for.

  • Here’s what that label means—and why finding the schematic is difficult without more context.

    94

    : Refers to the specific UL standard for testing plastic flammability.

    1. Integrated Circuits (ICs): The CM-4 94V-0 board features a range of ICs, such as microcontrollers, amplifiers, and voltage regulators.
    2. Resistors and Capacitors: These passive components play a crucial role in filtering, dividing, and regulating voltages within the circuit.
    3. Inductors and Transformers: These components are used for energy storage, filtering, and impedance matching.
    4. Diodes and Transistors: These active components are used for switching, amplification, and voltage regulation.
    5. Connectors and Interfaces: The schematics highlight the various connectors and interfaces used on the board, such as USB, UART, and SPI.
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