quantum 7200 as

  1. E

    Electronics board of Quantum 7200 AS

    1. Inductance, the diode and capacitance-voltage DC converter 5V. 2. 2.5V linear voltage converter for CPU power. 3. Line-voltage converter to supply 3.3V RAM. 4. P-channel with built-in diode field-effect transistor DC-DC converter voltage-5V. This transistor is often caused by failure of...