APW8 Power Supply Maintenance Guide
7
基本原理工作流程图:Basic principle work flow chart
AC 输入 200V- 240V:AC input of 200V-240V
EMI/LC 电路:EMI/LC circuit
整流电路:Rectifier circuit
PFC 电路:PFC circuit
VBUS 滤波大电容:VBUS filter large capacitor
FAN 电路、12V 反馈及 OUTPUT:FAN circuit, 12V feedback and OUTPUT
12V/VCC 电路:12V/VCC circuit
主开关 MOS:Main switch MOS
LLC--DC 转换电路:LLC--DC switching circuit
VCC- PWM 电路:VCC-PWM circuit
隔离驱动:Isolation drive
DC 驱动电路:DC drive circuit
同步整流滤波:Synchronous rectification filter
PIC 控制电路:PIC control circuit
反馈稳压电路:Feedback regulator circuit
DC 主电压 OUTPUT 电路:DC main voltage OUTPUT circuit
2.2 Power PCBA board layout