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1

2

3

4

5

6

F

F

1 2

to control PCB JP1 2 1 2 P1 30KB

3

PON IN 1 V+ J1 2 3 C11 2 1 E J8004 R12 1M R13 3K3 47N 33K R11 K222E Q11 3 R63 1K C61 2 2.2 R15 330K 2 1 Q21 K30AY Q31 D31 4148 3 D21 4148 3 1 2.2 R61 330K 12K R62 7 6 U1B

SIP2 JP1

A-Level

K30AY C12 1

V+ 9 3 C62 8 3.3 2K2 R64 200K VVR65 2

OUT A J3

3

1

SIP2

1 JP2 J8004 2 1 SIP2 2 P2 30KB

B-Level

E

4558S SIP2 JP2 R51 1 2

V-

V-

XON

R31 1M 1M C51 47N

XOFF

to control PCB

C31 47N D41 4148 3

D51 4148

1

V+ D C81 22N K222E Q81 R81 3 33K 2

R73 1K V+ 1 C71 R72 3 2 2.2 3 12K 4 U1A 4558S V5 3.3 2K2 R74 200K VC72 R75 JP3 1 2 3 SIP3 3 2 1 JP3 1 2 3 SIP3 SW1A 1 2 3 KSA2261

SELECTOR SWITCH D SW1B 6 5 4 VKSA2261

C82 1 2 2.2 R80 2M R82 2M R83 3K3 R85 330K Q41 K30AY 1 2 Q51 K30AY

R71 330K 1

IN 2 / OUT B J2

V-

VV-

J8004

C

C

V+ DC-POWER B1 2 V+ SNAP 2-pole wire to the external REMOTE jack JP5 B 2 1 SIP2 SW2204 3 1 3 SW101B 6 SW2204 5 4 6 R101 470K 10 A C101 1N 3A 4007 VVV2A 2DN VSS 3SP 3Y 3SN 1A SW101A 2 D101 4148 R203 100 R102 100K U101 1SP 1DP 1DN 1SN VDD 2DP 2 1 5 4 14 13 8 7 11 12 9 R103 100K Vto control PCB XON JP4 C104 6N8 XOFF XOFF XON 3 2 1 SIP3 V+ R201 8K2 C201 R104 1M C102 10N VVC202 100 VVVDate: File: R202 10K 220 D201 4001 V+ V+ VVD2 REDLED D1 GREENLED PON VR2 1K8 R1 1K5 B 1 5 4 1 J7001 J5 JP4 3 2 1 SIP3

12%(/6(/(&7521,&6
Barnerstrasse 42, 22765 Hamburg, Germany
http://wwww.nobels.com - email: [email protected]
Title Number: A

CIRCUIT DIAGRAM / MAIN SECTION

V-

NOBELS: SWITCHER / AB-1
27-Jan-2000
Time:

Size: A4 Sheet 1

Rev: 6 of

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

19:26:36

2

R:\$PRO\PEDS\DSGN\AB-1\AB-1_ALL.SCH 6