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1

2

3

4

5 V+

6

C36
3

2

V+

JP4 SIP3
1 2 3

JP6 SIP2
1 2

SIP2 JP3
F 1 2 2

C2362G DRIVE
1

Q3 C2362G
1 F

C27
3

C26 82N C35 33 R34 R26 1K2 R28 20K

R36 510

22N R37 510 R38 120K

Q2

8N2 R30 150K R29

C14
PON V+

R39 1K5

INPUT C1
2 1 E

120P R12 820 R13 1K5 D1
2 1

7K5 R35 3K3 C32 1 C33 220P R33 20K

R1 33K

2

J1

3 3

R31 3K3

2K2

C34 27N

V-

Q1 K222E C2
V-

1

47N

J8004 R2 1M

C12 82N
V2

C13 2.2
1

4148 D2
2 V-

C25 560P R25 5K1
3 V+ 1 V-

E

1 R3 3K9

R4 330K
1

4148
1

3 1

Q5 K222E
3

V+

U2A
2

U1A C20
2

7

9

C24 22N R20 12K
1 2

V+

C30 2.2
8

R32 4K7

C10 0.1 R5 330K

R21 39K C22 82N

R23 10K R24 43K

6

5

VVXON

D5 4148 R107 1M
V2

R10 2K7

4 5 V-

4

2.2 4558S

4558S C31 8N2
V-

U2B 4558S LEVEL

JP5
3 2 1

V-

C104 47N

C11 22N
V-

R11 10k

C21 2N7
2 VV+

D3 4148
1

D4 4148

C23 1N
V-

R22 12K

SIP3

C41 1
2

D

VXON

R109 1M

D7
2 13

Q7 K30A-Y
1

D

C3 68N Power
V+

Q4
3

C106 47N K222E
V-

4148

R41 330K

2

K30A-Y C40 Q6 2
1

R6 200K

1

J4 J7001
C

2

9

5 4 1

R7 10K

1

R40 330K

XOFF

R108 1M

3

D6
2

1

R42 330K

B1
1 2 PON 1

D201 4001

R201 10K C201 220 R202 10K C202 100
VV-

V-

4148 C105 47N

C42 1
7 6

OUTPUT
V+ 3 J2

C43
8 2 C

3.3 R43 150K U1B 4558S

3

C204 220 JP6
2 1 2

V-

R45 150K

1

J8004

SNAP
VVV-

Control PCB
P31 V12H 10KC
VV-

SIP2
1 V+

BASS

BYPASS J3
B 3 2 1 2

R203 100 D101
1

3

JP3
2 1 3

R102 100K U101
1SP 1DP 1DN 1SN VDD 2DP 2 1 5 4 14 13 8 7 11 12 9 VV2 VXOFF

P11 V12H 500KA
1 2

3

P21
2

JP4
3 2 1 B

C28
2

P22 V12H 50KB
1 1

J8004

4148 3 SW101A
2 1

C203 47

SIP2 R14 1K8
XON

DRIVE

33N V12H 50KB

SIP3

V-

SW2204 6 SW101B
5 4

TREBLE green low-cur. D102
3

MID

R103 100K R104 1M

P41
2

JP5
3 2 1

SW2204

LEVEL JP2 JP2 R110 47K
1 2 1 2

R101 470K

3 6 10

1A 2A 3A

2DN VSS 3SP 3Y 3SN

LED R105 1K5
V1

>?25Barnerstrasse 42, 22765 Hamburg, Germany
http://wwww.nobels.com - email: [email protected]
Title Number: Date: A

A

SIP2

V12H 50KA

SIP3

SIP2

C101 1N
V1 V-

4007

C102 10N

Main PCB

Bass Overdrive / ODR-B
4-Feb-2000
Time:

Size: A4 Sheet 1

Rev: 3 of

V-

V3

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

18:18:14

1

File:

R:\$PRO\PEDS\DSGN\ODR-B\ODR-B_SM.SCH 6