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1

2

3

4

5

6

F

F

P1 V9 30KB
INPUT A

J2
2 4 1 E

C11 22N

K222E Q11 R11
3

V+2

1

2

3 AOY AOX V+ 9 OUTPUT A

C12
1

K30A-Y
AIY AIX 2 1 2 1

C61 2.2

R63 1K R62
7

2

33K

C62
8

R65 2K2 R64 200K
V-2 V-2 2 4 1

J4
E

J8003 R12 1M R13 3K3

2.2 R15 330K

12K

6

U1B

Q21
13

3

3.3 R61 330K 4558S

V-2

V-2 2

D31 4148 R31 1M C31 47N

2

1

K30A-Y Q31

J8003

D21 4148

XON

R51 1M C51 47N C71 2.2

XOFF 1

P2

2

3

V+2 INPUT B D 31

D41 4148

D51 4148

2

2

R73 1K R72
3

V9 30KB
BOY BOX V+ OUTPUT B

J3
2 4 1

C81 22N

K222E Q81 R81
3

2

1

1

C72
2

R75 2K2 R74 200K
V-2 V-2 2 4 1

J5

D

C82
1 3

12K

4

U1A
5

33K

BIY

BIX

2

1

3.3 4558S

J8003 R82 1M R83 3K3

2.2 R85 330K

Q41 K30A-Y

R71 330K
1

V-

J8003

2

Q51 K30A-Y
V+2

V-2

V-2 AIY BIY YOFF

SIP9 JP1
1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9

SIP9 JP2
AIX BIX XOFF XON AOX BOX

V+

C V+2 YOFF REMOTE SWITCH V-2 V+2

YON AOY BOY

C

V-

J1
2 4 1

R1 100

D1 LED R3 22K

R5 10K R2
POWER ON 2 YON V+2 V+2 V+2 V+2 V+2 POWER 2

1K5

Q1
3

J8003
4 6 1 3

C1571G
1

R6 8K2

D4 LED

J6 D3 4001
5 4 1 B

V-2 B 5 TEST

V-2

R4 3K3 C2
V-2 V-2

C1 100 R7 10K R8 1K
1

SW1B

SW1A

2

J7001

SK22F02
V-2 V-2 V-2

47
V-2 V-2 V-2 V-2 V-2 V-2

12%(/6(/(&7521,&6
Barnerstrasse 42, 22765 Hamburg, Germany
A Title Number: Date:

http://wwww.nobels.com - email: [email protected]

A

CIRCUIT DIAGRAM

A/B-V Analog A/B Switcher
27-Jan-2000
Time:

Size: A4 Sheet 1

Rev: 1 of

All rights reserved - Copyright NOBELS Electronics All unspecified capacitors in uF, resistors carbon 5%
1 2 3 4 5

18:00:50
6

1

File:

R:\$PRO\CMPCT\AB-V\DSGN\ABV1.SCH