Protel Schematic1 2 3 4 D LED1 R2 103/0.5W 333LRD D3 1N4758A D1 6 1N4758A C1 D5 D6 1N4758A D7 1N4758A D8 2 1N4758A 1N4758A 3 2 3 S1WB U1 1 4 1 4 C2 104/400V R3 203/5W 3 R4 203/5W 7 7 LED2接至端子DZ2 D2 1N4007 LED2 EL-8L D SW1 2 DNBS-2A R1 103/0.5W 6 + C 104 AC220V C - DZ2 2 1 6 7 DZ1 3 2 1 EHK508V-03P B 1 2 3 EHK508V-02P B A A 1 2 3 4 ……