3 sơ đồ nguyên lý và PCB cho mạch nguồn DVD2402 sử dụng viper22a

! BCN502 SW-SPST ! ! D501 1N4007 A K ! BCN501 ~220V ! L501 ! 1N4007 D504 R501 680K 2W BC501 ~275V 104 U501 VIPER22 TC501 47uF/400V F501 T1.6A/250V D503 1N4007 FB D502 1N4007 L503 VDD FB C503 101/1KV R503 39K/2W D D D D S S 24 C506 473 R512 9.1K C504 104 TC502 47uF/50V R505 10ohm D505 HER107 C502 103/1KV D506 HER105 ! EEL19H BC503 ~400V 221 U502 2501 ! T501 ! 10 D511 HER105 D510 D507 HER105 D508 HER105 SR560 U503 LM431A R506 330 TC512 47uF/50V TC505 1000uF/10V L507 10uH/2A TC503 470uF/16V L505 10uH/1A A K R C515 104 R507 1K R509 10K TC506 1000uF/10V TC504 470uF/16V R508 3.3K C510 104 C508 104 D509 1N4007 LED+5V D513 1N4007 TC507 1000uF/10V +9V -9V GND +5V GND +3.3V GND 100uF/16V TC513 R511 330R/1W TC510 1000uF/10V +3.3V +5V LED+5V +9V 2 -9V CN501 XS02 XS07 CN502 ZD502 9.1V/1W POWER BOARD SCHEMATIC DIAGRAM POWER BOARD SCHEMATIC DIAGRAM 25