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1

2

3

4

D

5

6

D

CN301

FROM CN101

To display board CN303

CN302 VR305

To J212

J302

R302 22k R301 47k

1

VR304 B1 K

2

C

2

C

1

VR302 B1 k

VR303

3 4

4

VR301

3 B10K

LED302

B10K

LED301

B

B

A

A Title Size

Number

Revision

B Date: File: 1

2

3

PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn

4

5

21-Apr-2011 Sheet of E:\电原理图\PS系列原理图\303D线路图.DDB Drawn By: 6

1

2

3

4

5

6

D

D FROM CN302-1

FROM CN302-3

a LED211

f e

g d

a b f c e

a

a b f

g

c e

d

g d

f

b LED201

c

R211

C

e

g d

a b f c e

a b f

g

c e

d

b

g

c

d

R201

C

1

2

3

4

5

6

7

8

9

10

11

12

1

2

3

4

5

6

7

8

9

10

R212

11

12

R202

Q211 Q201

R213

IC211

IC201

FROM CN302-2

R214

C201

R218

24

23

22

21

20

19

18

17

R208

C206

R205

C203

R216

FROM CN303 J212

16

C202

C216

C212 C211

15

R215 C213

B

14

13

24

23

22

21

20

19

18

17

16

15

14

13

R204

C215 C205

B

R217 VR211 R206 C232

C214 IC231 1

IN

OUT

3

R207 +5V

J202 FROM CN103

GND C231 2

J311

VR201

D202

R203 C204

D201

A

A Title Size

Number

Revision

B Date: File: 1

2

3

PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn

4

5

21-Apr-2011 Sheet of E:\电原理图\PS系列原理图\303D线路图.DDB Drawn By: 6

1

2

3

4

5

6 VR101

R112

R111

C118

Q109 NPN R113

Q108 NPN

R109

E2

VR102 VR106

D +

D R110

BD1

D116

R102

R114

R103

R104

VR103 D117

64V ONLY

~

-

~

R101

C101

C102 FROM OUT1 NC 2 +15V 3 6 -15V 5

C111 OUT-

R105

R108

OUT+

D113

R115

FROM OUT+

R116

VR104

U105

CN103

CN102

R117 G

G

CN101

OUT-

OUT-

A1

FROM OUT-

R118 R107

C117

A2

To J202

C R106

C A3

FROM OUT+

电流显示

To CN301

D115 LED

Q106

R129 C120

V-T

C110

R128

GND

Q105

R126

AC4

R130

Q104

Q107

Vref I-T

K101 S101

R121

AC3

D112

R127

D111

R125

R120 Q103

D110

C116

R131 D109

R132

R133

C115

R122

C112

R136

Q101

C119 R124 R119

B

R135

Iref

R134 D108

VR105

R137

B

AC1

D114

K102

R123

Q102

1

IN

+

+22V

-

+

A-OUT

-

+

VCC-

-11.3Vref

D107

LED

-

+

R148 U104

R138

3

OUT

+15 V

GND

-11.3V

C107

~

AC5

~

2

C104

VCC+

U101

+

REF

AC2

-

V-OUT

S102

C109

R147

C113

D106 D105

R146

R145

R144

R143

R140

R142

R139 C114

R141

-

D101-D104 U102 2

OUT

IN C105

GND

A

3

-15 V

C108

C106

+2.5V

AC7

A

1

Title

U103

Size

Number

Revision

B AC6

Date: File: 1

2

3

PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn

4

5

21-Apr-2011 Sheet of E:\电原理图\PS系列原理图\303D线路图.DDB Drawn By: 6