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1

2

3

4

5

6

C13
F V+ F

INPUT J1

R14 820
3 2 V+ 1 PON

R15 1K5 C15 2.2
V-

D1

Q2 C2362G

2

120P 4148

C30
3

C14 56N BC264D Q1 C1
2 V-

D2 4148
DRIVE
2 1

1

2N2 R32 200K R33 R31 2K2 1K5
MID + HI

C31 68N JP2
1 2 3

R35 20K

SIP3 JP3
3 2 1

LO

2

J8004

R1 33K
3 1 V-

R36 15K

R40 36K C40 10N C41 10N

R44 36K

K222E Q5
1

C10 39N

R10 3K3

SIP3

E

0.22
3 1

JP1 SIP2
VV+

E

R11 22K

2

9

3 4

1

R2 1M

R3 3K3

R4 330K

D5 4148

R5 330K

C11 12N

3 V+M 2 4

1

V+

R41 33K
2

C42 22N
7

V+

U3A
5 V-

U1A
5 V-

OC1
8 4 2 3 1

U21 C20 0.22 R21 10K R20 330K
10 2 3A 3 1A 1SP 1DP 1DN 1SN VDD 2DP 2A 2DN VSS 3SP 3Y 3SN 2 1 5 4 14 13 8 7 11 12 9 V+

4558S

VXON

V-

R107 1M C104 47N
V-

R42 R43 120K 120K SIP3 JP4
1 2 3

6

V-

R13 33K R12 10K

R25 20K

R30 20K
GATE

4558S
6

U3B 4558S D62
V+

VTL5C9 R65 2K2
V7 V-

C43 39N

R45 20K JP5
3 2 1

REDLED low curr. U4B

D

adjust bias

R23 51K

R24 12K C23 56N
V-

R63 Q8 2240BL C60 6.8 NP D61 1SS174
V-

2

3 1

SIP3
LEVEL

D

C12 1
7 V6

V+ 9 8

V+M 3

390K R62 15K R61 22K

6 5

C51 1

1

14007
VV+ 2

C22 0.22
V-

U1B 4558S
V+

TP1 100K C2
3

R22 200K C21 Q4 K222E
1

R60 2K2

062 R64 750K

D60 1SS174
V2 V-

C61 2.2
VV-

560P C50 1

C

J3

3 2 1 2

D101 4148
1

XOFF

2

1

3

R102 100K U101
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

R203 100

1

REMOTE

68N

Q6 K30AY

XON 1

R106 1M C64 47N
V-

D7
2 3 1

R51 330K Q7 K30AY
C

4148

C203 47
VXOFF

R6 150K

R7 10K

R50 330K

R108 1M C105 47N

D6 4148 R52 330K C52 1
2 3 V+ 8

J8004
2

SW101A SW2204
1 3

2 3 2 1 V-

VV-

U4A C53
1

OUTPUT J2

3

SW101B
4 5 6 6

R103 100K
V-

R110 2K2 JP1
XON 2 1 2

JP3 P1 V12H 500KA
DRIVE
3 2 1 2

Control PCB
P3 V12H 100KB
LO

3 4

3.3 062

SW2204
B

R105 R104 1M C102 10N
V+M V-

JP6
1

1

1

SIP2

SIP3

R53 150K

V-

R54 200K

J8004

R101 470K C101 1N
VV-

1K5

V-

SIP1
3 3

R91 JP4
3 2 1 2

B 3 2

LED

14007
V-

JP2 P6 V9H 50KB
GATE
1 2 3 2

330 P4 V12H 30KC
MID

P5 V12H 30KB
HI
1

1

Power
V+

R205 R204 R201 6K2 C201 220 R202 6K2
VVV2

5 4 1

JP5 D202 6V8 C205 100 C206 100
3 2 1 2

3

J4

100

V-

V-

1

SIP3

SIP3

C91 12N
V-

680 C204

P2 V12H 50KA
LEVEL
1

JP6
1

LED

R90 47K

J7001
A

D201 B1
1 2 1

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

SIP3

SIP1 D90 GREENLED
VVDate: File:

4001 SNAP

C202 220

100

C90 1

CIRCUIT DIAGRAM / MAIN SECTION
Size: DISTORTION SPECIAL / DT-SN

A4

Rev: 3 of

PON

V1

V2

V-

V-

V3

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

4-Feb-2000

Time:

17:24:46

Sheet 1

2

R:\$PRO\PEDS\DSGN\DT-SN\DT-SN_SM.SCH 6