11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
J
J
K
K
L
L
M
M
N
N
O
O
P
P
Q
Q
of
Filename:
PCB#
Sheet
5
1
Product
Date:
V1.00
m1329V100sch.sch2002
M1329
INPUT
Thu Jan 15, 2009
Rev:
DB400
of
Filename:
PCB#
Sheet
5
1
Product
Date:
V1.00
m1329V100sch.sch2002
M1329
INPUT
Thu Jan 15, 2009
Rev:
DB400
RED
W7
4148
D3
R8
1/
4W 15K
.
R62
1/
4W 10K
.
R11
1/
4W 150K
.
C58
275V
22N
C46
50V
22N
FROM POWER PCB
R119
1/4W
.
10K
EC4
VCA
C85
100V
27P
4148
D29
R136
1/4W
.
10K0
V1:C
2X_TRIODE_HCT
ORG
W42
W9
BLK
R122
1/4W
.
10K0
R59
1/4W
.
249R
R20
1/4W
.
47K
R9
1/4W
.
24K
R121
1/4W
.
10K
R28
1/
4W 1M
.
8
V+
4
V-
U13:C
R53
1/
4W 470R
.
C14
160V
10U
R23
1/
4W 113K
.
C57
63V
2U2
1/
4W
R128
10K
.
R209
1/4W
.
10K
4148
D25
50V
22U
C38
S1:B
INPUT SELECTOR
D7
4148
4148
D10
R26
1/4W
MINI
20K0
R211
1/
4W 5K1
.
C88
63V
2U2
D19
4148
C93
63V
4U7
OUT TO U5 PIN 3
PAGE 2
R93
1/4W
.
20K
R139
1/4W
.
10K0
U2:A
TLO74CN
4
V+
11
V-
U2:E
D4
4148
R94
1/4W
.
20K
C50
50V
470N
Q4
5103
TO92
MPSA06
1/
4W
1K
R141
.
D1
4148
R57
1/4W
.
249R
1/
4W
.
1K5
R132
1/
4W 1M
R37
.
P12:A
4469
M
1B
100K
GAIN
R14
1/
4W 10K
MINI
R134
1/4W
MINI
20K0
1/
4W
.
4K99
R76
R75
1/4W
MINI
10K
1/
4W
10K0
R137
.
R213
1/4W
.
10K
R92
1/4W
MINI
10K
1/
4W
R95
.
200R
S G
TO-92
2N5638
D
B E
TO-92
BC560C
C
TO TUNER JACK
SOLID STATE PREAMP
GROWL-CTRL
C66
63V
4U7
6882_PC
6884_PC
R120
1/4W
.
10K0
U11:A
TL072
C26
50V
680P
U13:A
TL072
R127
1/4W
.
10K
TUBE PREAMP
PREAMP
SELECT
SWITCH
1/
4W
.
R133
1M
R131
1/4W
.
10K0
C1
50V
22N
22N
100V
C87
W1
GRN
C84
16V
10U
U15:A
NE5532N
U2:D
TLO74CN
S1:A
4
5
1
2
3
N
P
MC14007
U23:A
INPUT[O3]
EFX-MASTER[L10]
EFX-MASTER[F4]
8
V+
4
V-
U10:C
D11
4148
U10:B
TL072
U10:A
TL072
9
11
10
12
P
N
U23:
C
M
C
14007
U2:B
TLO74CN
R212
1/4W
.
10K
GROWL-CTRL
4148
D2
4467
P4:A
M
10K
B
DRIVE MIX
6804_PC
6889_PC
8
V+
4
V-
U11:C
U11:B
TL072
6745_PC
50V
C3
680P
V1:B
Val
.
2X_TRIODE_HCT
U13:B
TL072
1
3
4
5
7
2
8
9
6
1/4W
.
R74
4K99
GND
SYM
V+
EC-
V-
EC+
-IN
U14
2180LB
COMPRESSOR
CONTROL
& DETECT
M
4474
P13:A
100K
B
COMPRESSOR
Refer to sheet EQ
R60
1/4W
.
20K
EFX-MASTER[L10]
INPUT[G1]
RED
LD7
COMP-LED
6405
B C
TO-92
E
MPSA43
MPSA06
2N5551
2N5401
"STYLE_P36"
SPOTP36_DRW
"STYLE_P35"
SPOTP35_DRW
"STYLE_P37"
SPOTP37_DRW
EFX-MASTER[J5]
S
T
R
J2
Gold
Gold
Gold
0 dB INPUT
6936_PC
6840_PC
S
T
R
J5
Gold
Gold
Gold
-6 dB INPUT
Refer to sheet
DISTORTION
S
T
R
J7
-
-
-
TUNER OUT
REF
KNOB
PART#
MODEL(S):-
FUNCTION
JULY-2003
DB400
N
N
N
N
N
N
N
N
N
N
N
N
8402
8402
8402
8402
8402
8402
8402
8402
8402
8402
8402
8402
4467
4469
4470
4471
4471
4471
4471
4472
4472
4470
4474
4475
DRIVE MIX
GAIN , MID-FREQ
TUBE DRIVE
HI-MID
TREBLE
LOW-MID
BASS
MASTER
EFFECTS
SCOOP
COMPRESSOR
FREQUENCY
P4
P12 / P19
P1
P15
P16
P17
P18
P3
P7
P8
P13
P2
POTLIST
