Text preview for : microlab-350w.pdf part of some brands - algumas marcas some schematic motherboards notebooks downloaded from www.freeservicemanuals.net. alguns esquemas placa-mae e notebook baixados de www.freeservicemanuals.net.



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1

2

C9 105K/250V

3

4 R30 4.7E ST1020 D23

D28

5 104/50V C21 L1 106-26
+

6 +12v.OUT 1UH L5
+

1 BD1-BD4 .47/275VAC C3 TH1 054 F1 5A/250V 222/275VAC CX1 .01 LF1 CX2 RV 1M C4 3 4 2 C5 220UF/200V SW1 5A/250V C6 220UF/200V R1 150K R2 150K D5 FR107 R3 2.7K E13007/F Q1 R5 1E 4.7E D9 4148 D10 4148 R31

FR107 D21 ST/2045D24 R35 C8 10/50V C21 T1 D25 FR104 L1 D20 L1 106-26 C28 FR107 L6 C27
+

C24 C29 220/16V 220UF/16V

D

1UH

+5v.out C24 R33 27E R32 470E L4 FR105 D22 L3 34 34UH
+ +

D

+

2200/10V

2000UF/10V

D6 FR107

R61E

D7

4148 C7

D8

4148 L8

D26 FR104 50UH

106-26 L1 106-26 D27 FR105

-12v.out -5v.out C22 200/16V
+

E13007/F R7 2.7K Q2

C23 220/16V

10/50V T2

+

D28

SBL2040

L2 62UH
+

L7 1/UH C31 2200/10 3.3v.out R43 R38 R41 10E 10E R39 1.2K 2.65K R42 27E C30 2200/10V
+

C 3 R51 1K R53 100E D50 4148 R55 47K R? 14 13 R72 1M 12 11 10 B R52 100K 9 8 R71 15K C45 103/50v R70 18K R50 270K C40 1/50v R63 27K 150K R69 D54 4148 D56 4148 ZD4 4.7V PS--ON R66 1.2K ZD3 13V ZD1 3.2V to.+5v 4 D55 4148 339/ST 6 7 R73 R25 3.9K 5.6K R59 10K
+

D29 4148 R54 47K D51 4148 C41 1/50V R58 1 2 3 D53 4148 4 5 R? RES2 R? RES2 R61 15K R26 27K R27 560K R28 1M 16 15 14 13 12 11 10 9 R15 2.7K R19 2.7K R18 4.7K 1 2 3 4 5 6 7 8 R10 24K R11 5.6K R12 47K R16 2.7k VR1 102/T R62 33K R57 27K C42 4.7UF 5.1K R56 D15 4148 D17 FR05 C44 103/50V D52 4148 1K R9 1.5K D16 4148 D13 4148 Q12 C945 R8 100 D21 4148 Q3 C945 D11 4148 Q4 C945 Q5 C11 1UF/50V + D14 4148 D30 IN4148 A928A R36 100E

C

C29 C224 R40 2.7K C32 R39 1.2K

PG.OUT

IC4

KA431
+

0.22UF/50V

TO.5VSB-2 B

R17 4.7k

IC1 KA7500B

C13 102/50v R13 33k R14 47K R15 16k

102/50VC12

1UF/50V C46

R21 47K

R22 100K

R23 R24 27K 1M

R20 1K

C7 47UF/50V

C47 103

A

R67 1.8K R68 1.5K D57 4148 to.+12v to.+3.3v to.--12v

to.--5v Title Size B Date: File: 5 23-Dec-2003 Sheet of C:\Documents and Settings\WANGZHAO.ERP.001\\5400M-2.ddb Drawn By: 6 Number Revision

A

1

2

3

1

2

3

4

5

6

D

D

VCC+

1D4 1R2 270K D101 FR107 T1 C1C1 1R3 220 104/50V 1C2 104/50V IC4 LTV817 1R6 100K D102 IN4148 1R8 47E 4148 1R1 270K D105 FR104 HER204

L10 62UH 5vsB.out 1R12 150E C 1R13 510E 1000UF/160V

Te

C

D1D3

to.5vsb-2 C14 47UF/50V 1R11 15K 1C7 104/50V 1Q2 2SC5027 KA431 1R11 2.7K

1R14 100E

1C3 103/1KV

2SC5344Y 1Q1 1D7 4148/ST B

1R14 1.5K 1R4 1K 1C4

1R13 2.5K

B 1UF/50V 1C6 1R7 1.5E

VCC-

A Title Size B Date: File: 1 2 3 4 5 23-Dec-2003 Sheet of C:\Documents and Settings\WANGZHAO.ERP.001\\5400M-1.DDB Drawn By: 6 Number Revision

A