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1

2

3

4

5

6

F

F

C14 C27 150P R12 1K R13 1K8 D1
2 1 3

V+ 2

3 2 1 6 5 4 9 8 7

3 2 1 6 5 4 9 8 7 12 11 10

JP1
LEVEL 50KA

Q2 C1571G
1

2N7 C26 56N R24
2 9 8 7

R25 200K

HI

50KB

PON E V+ V-

C11 68N
V-

C12 2.2

4148
1

D2 4148

MID

30KC

1K5 R23

R14 1K

R26 3K3

12 11 10 15 14 13 17 16

E

INPUT J1

LO
V15 14 13

50KB

2

3 2 1

BC264D R1 33K
1 3

Q1 C1 0.22 R4 330K
2 13

14 15

R21 47K R22 C23 1 C24 12N 12K

22K C25

DRIVE
17 16

500KA green low-curr

330P
V+ 9

J8004

Control PCB

1

Q5 D5

3 1

K222E C10
3

V+ 1 VV7

C30
8

R2 1M
D VV-

R3 3K3
VXON

C20
2

R30 10K C31 0.1

R20 10K
1 2

10 11

12

R33 C33 33N 10K C35 1N8

C38 82N R37 15K R35 4K7
8 D

2

4148

R10 2K7

4

U1A
5 V-

6

4558S

1 U1B 4558S D3 AA112
2 1

3.3

0.1 R107 1M C103 47N
V-

R5 C13 330K 10N

3 2 4 5 V-

V-

R32 2K4 C32
4 5 6

6

5K6 U2B 4558S

C34 8N2

10K C36 22N

1

7

9

R11 10K

C21 3N9

D4 AA112

R31 5K6

V+

C37 1N V+

R34

R36

U2A C39 1
1 2 3

4558S C42 1

18N
V+ C

C

C40 33N
BYPASS J3
3 2 1 3 2

Q3
3

K222E
1

XON

R109 1M C105 47N
V-

D7
2 3 1

2

2

Q7 K30A-Y
1

R45 330K

R40 3M3

R41 160K

K30A-Y C41 Q6 2
1

4148

D101 4148
1

Vs

V-

R102 100K U101 SW2204
3 1A 1SP 1DP 1DN 1SN VDD 2DP 2A 2DN VSS 10 3A 3SP 3Y 3SN 2 1 5 4 14 13 8 7 11 12 9 VV-

SW101A
2

R110 2K2
VXOFF

XOFF

2

1

3

V-

1 R42 10K

R43 330K

R108 1M C104 47N
V-

D6
V+

J8004
1 B

4148

R44 330K

C50 1

Q4
3

C1571G
1

3

OUTPUT J2
B

2

C51
2

SW101B
6 5 4 6

R103 100K
XON

Power
V+ Vs

J4 R105 R104 1M C102 10N
VV2 5 4 1

R203 R201 10K C201 470 R202 10K C202 220
1

R50 200K

R51 2K2

3.3

R52 200K

1

J8004
VV-

SW2204 R101 470K

100
V-

1K5
17 16

J7001

D201 B1
1 2

C203 47

C101 1N
VA

14007

4001

PON

SNAP
VVVVV-

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

CIRCUIT DIAGRAM
Size: OVERDRIVE - SPECIAL / ODR-S A4 Rev: 5 of

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

4-Feb-2000

Time:

18:31:47

Sheet 1

1

File:

R:\$PRO\PEDS\DSGN\ODR-S\ODR-S_SM.SCH 6