微机ATX电源电路的工作原理与维修

4        脉宽调制输出控制端（死区控制端）        0        9.5        19
5        振荡1        0.6        9        12.6
6        振荡2        0        9        21 
       地        0        0        0
8        脉宽调制输出1        2        7.5        21
9        地        0        0        0
10        地        0        0        0
11        脉宽调制输出2        2        7.5        21 
      电源输入端        19        6.2        17
13        输出方式控制端        5        4        4 
     E14电压取样比较放大器负端        5        4        4