笔记本电源1 2 3 4 5 6 7 8 D D D17 D3 HER104 D16 1N4148 VREF 1N4148 3 E4 100uF/25V C5 104 IC3 MC78L12CP Vin GND +12V VCC1 1 E5 10uF/25V C6 104 +12V R11 11K R12 470K C7 104 +12V T1 8 GND 3 2 R6 10K IC1 3525 1 IC5A LM358 D5 1N4148 R18 1.5K R19 2.2K R21 300K C2 104 10 GND 9 8 R9 15K VREF SHUTDOWN VI VC VREF 15 13 16 2 VREF R14 100K R20 2 GND1 D15 GND 10 10 9 1 +12V 3 GND R3 10 Q2 IFR640B 9 V+ M3 IFR840 M5 IFR840 1 3 7 5 7 D12 4 RT1 +12V DRIVE1 HER205 D14 HER205 HER205 E2 22uF/400V DRIVE3 COMP N.I.INPUT COFT-START RT OUTPUT-A DISCARGE J1 E8 E9 GND GND R15 51K E3 22uF/16V 6 7 5 11 100K S1 10u/25V M4 IFR840 S2 10u/25V R46 160 1 2 CON2 VREF 5 6 IC5B 7 LM358 D4 R8 470 1N4148 E10 10u/25V C4 2A102J R4 2K GND 6 T1-4 6 D13 DRIVE2 HER205 R26 DR……