Text preview for : ATX-5400X (Microlab 400W).pdf part of Microlab ATX power supply ATX 400 power supply Schematic



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1

2

C9 205K/250V

3

4 ST1020 D10A

5 L1 106-26
+

6 +12v.OUT
+

BD1-BD4 .47/275VAC C3 TH1 054 F1 5A/250V 222/275VAC CX1 .01 LF1 CX2 RV 1M 4 2 C7 470UF/200V SW1 C4 3 5A/250V C8 470UF/200V R3B 220K R3A 220K D1 FR107 R9 2.7K 2S2625 Q1

R6 2.2E

R5 51E

1UH L5

1

R7A 4.7E D3A 4148

D3 4148

C21 104/50V R30 4.7E

FR152 D12 ST/3040D11A L1 106-26 L6 C27
+

C24 C29 220/16V 220UF/16V

D

R6A 2.2E

1UH

+5v.out C24 R33 27E R32 470E L4 FR105 D22 34UH
+ +

D

+

C8 C10 102/1KV

10/50V T1 C22 103

R23 4.7E D10B FR152

2200/10V L1 106-26

2000UF/10V

-12v.out -5v.out

D2 FR107 2S2625 Q2 R7 2.7K

R8A 2.2E R8 2.2E

C710/50V

+

L8 R9A 4.7E D3A 4148 T2 D3 4148 50UH D15A SBL2040

KA7905 IC6

C32 10/50V

+

C23 220/16V

L2 62UH
+

L7 1/UH C25 2200/10

R43A 10E
+

3.3v.out R29 10E 2200/10V C26

C

PG.OUT 1UF/50V C42 3

R62 1K

R37 22E R37A 22E

D16 4148 R8 100 D21 4148 Q8 C945 R9 1.5K D16 4148 D26 4148 D11 4148 Q28 C945 R41 39E Q5 C37 4.7UF/50V + D27 4148 D17 IN4148 A928A IC4 KA431 R32 10E

R31 100E C28 4.7UF/50V

C

R77 330K R68 4.7K 13 R64 15K D30 4148 11 Q11 A733 B D33 4148 10 R69 33K 9 8 R67 4.7K 339/ST 6 7 4 12 2 3 R? 14 1

R76 7.5K

D22 IN418

3.3VS

+

R34 845EK

R65 4.7K

R38 22E

C28A C104

R35 2.4K

R74 1M R75 27K R39 4.7 C36 22UF/50V

D17 FR05

5

R79 12K

TO.5VSB-2 R43 2.7K R42 2.7K R46 2.7K 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 R40 1K R61 150E R47 2.7k C38 102/50v R81 27k R14 47K R45 16k 103/50VC39 R59 1.2K R57 R60 1.2K 1K B R48 51K VR1 101/T

D23 IN4148 R72 56K C43 104 C45 103/50v

IC1 KA7500B

+

R63 4.7K Q10 A733 R69 150K PS--ON C46 104 C40 R80 15K R71 220K

R50 56K

R20 1K

C40 4.7UF/50V

C7 47UF/50V

C41 103

R16 47E A

D18 4148 1/50v D32 4148 R70 12K C44 224 R56 5.6K 1 2 3 D56 4148

to.--5v R54 1.5K D18A4148 to.--12v to.+5v 1KR54A D19 4148 to.+12v ZD3 13V 4 5 3.2V ZD1 to.+3.3v Size B Date: File: 13-Aug-2004 Sheet of C:\DOCUME~1\WANGZH~1.000\LOCALS~1\Temp\5400X-2.ddb Drawn By: 6 Number Revision Title

A

R62 1.2K D23 4148 ZD4 4.7V

1

2

3

4

5

6

D

D

VCC+

D8 to.5vsb-2 R10A 220K D101 FR107 C C16 102/50V 14C2 104/50V IC4 LTV817 D6 IN4148 C13 103/1KV D4 T1 4148 R10B 220K R11 39K R18 47E R16 56E D9 FR104 SR560 C17 102/1KV C C21 47UF/50V

L9 62UH 5vsB.out R17 51E

R19 220E

R22 3.9K C20 104/50V R20 2.6K

R11A 120E R15 220 Q3 2SC5027 1000UF/10V C18

C19 1000UF/10V

KA431 R21 2.5K

R13 1K B 1Q1 2SC5344Y

B 104/100v C15 R12 1.5E

VCC-

A Title Size B Date: File: 1 2 3 4 5 13-Aug-2004 Sheet of C:\DOCUME~1\WANGZH~1.000\LOCALS~1\Temp\5400X-1.DDB Drawn By: 6 Number Revision

A