REVISION HISTORY
ECN# DATE ECN# DATEDESCRIPTIONREVISIONREVISION DESCRIPTION
P2 VARIOUS SCHEMATIC CHANGES 10.24.94
A0 RELEASE TO PRODUCTION, BOARD IS REV A 11.22.94
A1 ADD R53 & R54. CHANGES C64 & C65 3.15.95254
|LINK
|053238A1.001
|053238A1.002
|053238A1.003
|053238A1.004
|053238A1.005
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH1 MAIN BOARD 80-3238
Size Document Number Rev
053238A1.000 A1
B
Monday, October 25, 1999
Date: Sheet of
0 5
WA1
WA283449
1
2
INPUT GROUND
LIFT SWITCH
INPUT
J1
J322110
13
IN+
IN-
GND
OUT+
OUT-
GND
WA4
WA283449
3
SW1
SW440131
654
12378
BAR320301
1
2
1
4
5
2
6
11
10
912
J2
J322115
12
4
14
3
L1
EMI1000PF
1 3
2
L3
EMI1000PF
1 3
2
B1
1
2
3
4
5
6
OUTPUT
J4
1
J322110
4
5
2
6
3
J3
J322114
1 2
4
V+
R11
220K
C25
47SE1
3
V+
D1
1N4148
R18
75K
1 3
1 3
R10
330
L9
EMI1000PF
L10
EMI1000PF
Q4
2N5088
V-
D3
1N4001
2
2
INPUT TRANSFORMER OPTION
(UNSOLDER PJ3 & PJ4 WHEN INPUT
TRANSFORMER IS INSTALLED)
H12A
HDR321063
1
RELAY DEFEAT
(UNSOLDER PJ1 & PJ2 TO DEFEAT)
PJ1
PJ
PJ2
PJ
K1
6
4
8
11
13
9
16
1
RLY725143
H12C3H12D4H12E
H12B
2
PJ3
PJ
PJ4
PJ
IN+
IN+
OUT+
OUT+
IN-
INOUT-
OUT-
5
V+
7
3
5
6
U4
1
2
4
V-
SSM2141
H13A
HDR321063
H13B2H13C3H13D4H13E
1
PJ5
PJ
PJ6
PJ
OUTPUT TRANSFORMER OPTION
(UNSOLDER PJ5 & PJ6 WHEN OUTPUT
TRANSFORMER IS INSTALLED)
RANGE
H1
1
V+
A
2
V-
B
3
C
4
D
BYPASS
C1
27PJC3
R2
49.9K 1%
R1
49.9K 1%
5
D8
1N4148
C11
47S63E
R36
10.0K 1%
C21
47S63E
R37
10.0K 1%
1N4148
2
U2A
3
4
V-
D10
V+ V-
1
MC33078
V+V-
2
1
8
7
D7
1N4148
D9
1N4148
C3
10NPSE1
V+
U5
56
V-
SSM2142
4
3
EQ OUT
5
E
6
F
7
G
8
H
9
I
10
J
WT321164
TO/FROM
CONTROL BOARD
EQ IN
IN CLIP
V-
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH1 MAIN BOARD 80-3238
Size Document Number Rev
053238A1.001 A1
B
Monday, October 25, 1999
Date: Sheet of
1 5
EQ IN
H2
WT321164
TO/FROM
SLIDER BOARD
IN CLIP
R17
D2
R4
4.42K 1%
R3
13.3K 1%
2
R40
340K 1%
1N4148
Q1
J112
1 3
Q11
2N6427
213
R5
1.00K 1%
13
R41
2.00K 1%
J112
2
L2
EMI1000PF
Q2
13.3K 1%
MC33078
2
3
213
U3A
V-
R8
C10
27PJC3
4
R6
1.00K 1%
R7
4.42K 1%
1
20 Hz
RA3
121K 1%
CB3
.39H63P
25 Hz
RA1
100K 1%
CB1
.39H63P
31.5 Hz
RA2
78.7K 1%
CB2
.39H63P
RC3
16.2K 1%
CA3
.39H63P
RC1
13.0K 1%
CA1
.39H63P
RC2
10.2K 1%
CA2
.39H63P
RB3
28.7K 1%
RB1
23.2K 1%
RB2
18.2K 1%
V+
5
U2B
6
MC33078
10.0K 1%
RD3
10.0K 1%
MC33078
3
U1A
2
V-
RE1
10.0K 1%
RD1
10.0K 1%
V+
5
U1B
6
10.0K 1%
RD2
10.0K 1%
8
RE3
CD3
27PJC3
4
CD1
27PJC3
8
MC33078
RE2
CD2
27PJC3
H3
R13
1.00K 1%
R12
213
R9
13.3K 1%
V+
6
U3B
5
MC33078
C20
27PJC3
8
MC33078
3
2
V-
10.0K 1%
RD5
10.0K 1%
V+
5
U7B
6
RE7
10.0K 1%
RD7
10.0K 1%
MC33078
3
U6A
2
V-
10.0K 1%
RD4
10.0K 1%
4.42K 1%
U7A
4
RE5
CD5
27PJC3
8
MC33078
CD7
27PJC3
4
CD4
27PJC3
C47
10NPSE1
7
CC4
10NPSE1
1
CC5
10NPSE1
7
CC6
10NPSE1
1
RE4
EQ OUT
RC6
80 Hz
RA6
30.1K 1%
CB7
.39H63P
100 Hz
RA9
24.3K 1%
CB12
.39H63P
C6
C6
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
Size Document Number Rev
Date: Sheet of
4.02K 1%
CA8
.39H63P
RB6
7.15K 1%
RC9
3.24K 1%
CA11
.39H63P
RB9
5.76K 1%
dbx 3231L CH1 MAIN BOARD 80-3238
053238A1.002 A1
B
Monday, October 25, 1999
V+
5
U6B
6
RD6
10.0K 1%
3
U9A
2
V-
RD9
10.0K 1%
8
10.0K 1%
4
10.0K 1%
Q3
Q5
J112
213
1 3
40 Hz
CB6
.39H63P
50 Hz
RA7
48.7K 1%
CB8
.39H63P
63 Hz
RA4
39.2K 1%
CB5
.39H63P
J112
R16
1.00K 1%
L4
EMI1000PF
2
RC5
8.06K 1%
CA6
.39H63P
RB5
14.3K 1%
RC7
6.49K 1%
CA9
.39H63P
RB7
11.5K 1%
RC4
5.11K 1%
CA4
.39H63P
RB4
9.09K 1%
R15
4.42K 1%
R14
13.3K 1%
CC1
10NPSE1
7
CC2
10NPSE1
1
CC3
10NPSE1
7
RA5
61.9K 1%
C1 C4
C1 C4
C2 C5
C2 C5
C3
C3
C1
C1
C2
C2
C3
C3
C4
C4
C5
C5
C6
C6
C7
C7
C8
C8
MC33078
RE6
CD6
27PJC3
MC33078
RE9
CD9
27PJC3
7
1
1
A
2
B
3
C
4
D
5
E
6
F
7
G
8
H
9
I
10
J
WT321164
CC7
10NPSE1
CC8
10NPSE1
FILTERS IN1
2 5
C7
C7
C8
C8
200K 1%
C24
.047MM3
1
A
2
B
3
C
4
D
5
E
F
G
H
I
J
+15
6
7
-15
8
9
10
D11
1N4148
C68
.047MM3
SLIDER CUT
R38
2.00K 1%
SLIDER BOOST
R39
2M
FILTERS IN1
125 Hz
RA11
19.6K 1%
CB14
.39H63P
160 Hz
RA8
15.4K 1%
CB13
.39H63P
CA15
.39H63P
4.64K 1%
CA13
.39H63P
RC11
2.61K 1%
RC8
2.05K 1%
RB11
RB8
3.65K 1%
MC33078
V+
5
U9B
6
RD11
10.0K 1%
MC33078
3
U8A
2
V-
10.0K 1%
RD8
10.0K 1%
8
RE11
10.0K 1%
CD11
27PJC3
4
RE8
CD8
27PJC3
RC10
200 Hz
RA10
121K 1%
CB15
.039H63P
250 Hz
CC12
10NPSE1
7
RA14
100K 1%
D1
D1
CB19
.039H63P
315 Hz
CC10
10NPSE1
1
RA17
D2
D2
78.7K 1%
CB22
.039H63P
16.2K 1%
CA14
.039H63P
RB10
28.7K 1%
RC14
13.0K 1%
CA19
.039H63P
RB14
23.2K 1%
RC17
10.2K 1%
CA21
.039H63P
RB17
18.2K 1%
V+
5
U8B
6
RD10
10.0K 1%
MC33078
3
U12A
2
V-
RD14
10.0K 1%
V+
5
U12B
6
RD17
10.0K 1%
8
MC33078
RE10
10.0K 1%
CD10
27PJC3
4
RE14
10.0K 1%
CD14
27PJC3
8
MC33078
RE17
10.0K 1%
CD17
27PJC3
400 Hz
CC9
10NPSE1
7
D3 D1
D3 D1
RA13
61.9K 1%
.039H63P
500 Hz
CC11
10NPSE1
1
D4
D4
RA16
48.7K 1%
.039H63P
630 Hz
CC15
10NPSE1
7
D5
D5
RA12
39.2K 1%
.039H63P
CB18
CB21
CB17
RC13
8.06K 1%
CA18
.039H63P
RC16
6.49K 1%
CA20
.039H63P
RC12
5.11K 1%
CA17
.039H63P
9.09K 1%
RB13
14.3K 1%
RB16
11.5K 1%
RB12
MC33078
3
U11A
2
V-
RD13
10.0K 1%
V+
5
U11B
6
RD16
10.0K 1%
MC33078
3
U10A
2
V-
RD12
10.0K 1%
4
10.0K 1%
CD13
27PJC3
8
MC33078
10.0K 1%
CD16
27PJC3
4
RE12
10.0K 1%
CD12
27PJC3
RE13
RE16
H4
1
CC13
10NPSE1
1
7
1
CC16
10NPSE1
CC14
10NPSE1
D6
D6
D7
D7
D8
D8
D2
D2
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
D8
D8
2
3
4
5
6
7
8
9
10
A
B
C
D
E
F
G
H
I
J
WT321164
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH1 MAIN BOARD 80-3238
Size Document Number Rev
053238A1.003 A1
B
Monday, October 25, 1999
Date: Sheet of
3 5
FILTERS IN1
H7
1
A
2
G1
G1
G2
G2
G3
G3
G4
G4
G5
800 Hz
RA15
R52
30.1K 1%
0
CB23
.039H63P
1000 Hz
RA19
24.3K 1%
CB24
.039H63P
1250 Hz
RA21
19.6K 1%
CB31
.039H63P
RC15
4.02K 1%
CA23
.039H63P
RC19
3.24K 1%
CA25
.039H63P
RC21
2.61K 1%
CA30
.039H63P
RB15
7.15K 1%
RB19
5.76K 1%
RB21
4.64K 1%
V+
5
U10B
6
10.0K 1%
RD15
10.0K 1%
MC33078
3
U14A
2
V-
RD19
10.0K 1%
MC33078
V+
5
U14B
6
RD21
10.0K 1%
8
MC33078
RE15
CD15
27PJC3
4
10.0K 1%
CD19
27PJC3
8
10.0K 1%
CD21
27PJC3
RE19
RE21
1600 Hz
CC17
10NPSE1
7
G1
G1
15.4K 1%
2000 Hz
CC18
10NPSE1
1
G2
G2
121K 1%
.0039H63P
2500 Hz
CC19
10NPSE1
7
G3
G3
100K 1%
.0039H63P
RA18
CB25
.039H63P
RA20
CB30
RA24
CB34
RC18
2.05K 1%
RC24
13.0K 1%
CA34
.0039H63P
23.2K 1%
CA26
.039H63P
RB18
3.65K 1%
RC20
16.2K 1%
CA29
.0039H63P
RB24
RB20
28.7K 1%
MC33078
3
2
RD24
10.0K 1%
MC33078
3
2
RD18
10.0K 1%
5
6
U19A
4
V-
10.0K 1%
U13A
4
V-
RE18
10.0K 1%
27PJC3
MC33078
V+
U13B
RD20
10.0K 1%
RE24
CD24
27PJC3
1
CD18
8
RE20
10.0K 1%
CD20
27PJC3
1
7
CC20
10NPSE1
CC21
10NPSE1
CC22
10NPSE1
CB37
RA23
CB33
RA27
RC27
10.2K 1%
CA37
.0039H63P
RC23
8.06K 1%
CA33
.0039H63P
RB27
18.2K 1%
RB23
14.3K 1%
V+
5
U19B
6
RD27
10.0K 1%
MC33078
3
U18A
2
V-
RD23
10.0K 1%
8
MC33078
RE27
10.0K 1%
CD27
27PJC3
4
10.0K 1%
CD23
27PJC3
RE23
CC23
10NPSE1
7
CC24
10NPSE1
1
3150 Hz
G4
G4
78.7K 1%
.0039H63P
4000 Hz
G5
G5
61.9K 1%
.0039H63P
G6
G6
G5
G6
G6
G7
G7
G8
G8
G7
G7
G8
G8
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
WT321164
FILTERS IN2
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH1 MAIN BOARD 80-3238
Size Document Number Rev
053238A1.004 A1
B
Monday, October 25, 1999
Date: Sheet of
4 5
FILTERS IN2
5000 Hz
RA26
48.7K 1%
.0039H63P
6300 Hz
RA22
39.2K 1%
.0039H63P
8000 Hz
RA25
30.1K 1%
.0039H63P
10000 Hz
RA29
24.3K 1%
.0039H63P
CB36
CB32
CB35
CB39
RC26
6.49K 1%
CA36
.0039H63P
11.5K 1%
CA32
.0039H63P
9.09K 1%
CA35
.0039H63P
RC29
3.24K 1%
CA39
.0039H63P
RB26
RC22
5.11K 1%
RB22
RC25
4.02K 1%
RB25
7.15K 1%
RB29
5.76K 1%
CB41
CB38
CB40
RC31
2.61K 1%
CA41
.0039H63P
RB31
4.64K 1%
RC28
2.05K 1%
CA38
.0039H63P
3.65K 1%
RC30
1.62K 1%
CA40
.0039H63P
2.87K 1%
RB28
RB30
+24V
-24V
V+
V-
V+
8
5
U18B
6
10.0K 1%
RD26
10.0K 1%
MC33078
3
U17A
2
4
V-
10.0K 1%
RD22
10.0K 1%
V+ V+
8
5
U17B
6
10.0K 1%
RD25
10.0K 1%
MC33078
3
U22A
2
4
V-
10.0K 1%
RD29
10.0K 1%
MC33078
RE26
CD26
27PJC3
RE22
CD22
27PJC3
MC33078
RE25
CD25
27PJC3
RE29
CD29
27PJC3
CC27
10NPSE1
7
CC26
10NPSE1
1
CC25
10NPSE1
7
CC28
10NPSE1
1
12500 Hz
RA31
19.6K 1%
H2
H2
.0039H63P
16000 Hz
RA28
15.4K 1%
H3
H3
.0039H63P
20000 Hz
RA30
12.1K 1%
H4 H8
H4 H8
.0039H63P
H5
H5
V+
5
U22B
6
RD31
10.0K 1%
MC33078
3
U21A
2
V-
RD28
10.0K 1%
5
U21B
6
RD30
10.0K 1%
8
7
MC33078
RE31
10.0K 1%
CD31
27PJC3
1
4
RE28
10.0K 1%
CD28
27PJC3
8
7
MC33078
RE30
10.0K 1%
CD30
27PJC3
TEST HEADER
H11
1
2
3
4
5
6
7
8
9
10
HDR322111
CC30
10NPSE1
CC29
10NPSE1
CC31
10NPSE1
H6 H2
H6 H2
H7
H7
H9E
HDR321071
H10E
HDR321071
H3
H3
H4
H4
H5
H5
H6
H6
H7
H7
H8
H8
H9D
H9C
H9B
H9A
H10D
H10C
H10B
H10A
5
4
3
2
1
5
4
3
2
1
H8
WT321164
1
2
3
4
5
6
7
8
9
10
V+ V+ V+ V+ V+ V+ V+
C4
.047MM3C5.047MM3
V+ V+ V+ V+ V+
A
B
C
D
E
F
G
H
I
J
C26
.047MM3
V+ V+
C50
.047MM3
C7
.047MM3C8.047MM3
C28
.047MM3
C54
.047MM3
SR1
SR280058
SR2
SR280058
SR3
SR280059
SR4
SR280059
R53
15 1W
3
R54
15 1W
C27
.047MM3
C51
.047MM3
C29
.047MM3
C55
.047MM3
S4
DIP8S
S5
DIP8S
PCB1
80-3238-A
1
BR1
BRDB102
4
2
C12
.047MM3
V+V+
C30
.047MM3
V+ V+
C52
.047MM3
C14
.047MM3
C33
.047MM3
C56
.047MM3
+24V
C65
470M35E
C64
470M35E
-24V
C13
.047MM3
C31
.047MM3
C16
.047MM3
C34
.047MM3
V-V-V-V-
C62
.047MM3
HS1
HS704204
HS2
HS704203
1
2
3
4
5
I1
INS704209
1
2
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH1 MAIN BOARD 80-3238
Size Document Number Rev
053238A1.005 A1
B
Monday, October 25, 1999
Date: Sheet of
U24
7815
I
I
U23
7915
C15
.047MM3
C32
.047MM3
C60
.047MM3
C17
.047MM3
C35
.047MM3
V-
C63
.047MM3
3
O
G
G
C67
100S25E1
2
1
C66
100S25E1
3
O
C18
.047MM3
C36
.047MM3
V+
C61
.047MM3
C22
.047MM3
C38
.047MM3
C6
10KT
+15
V+
V-
-15
C19
.047MM3
C37
.047MM3
V-V-V-V-V- V-V-
C23
.047MM3
V-V-V-V-V- V-V-
C39
.047MM3
V-V+
C2
10KT
5 5
&l0(s0P(s15H(s8V(s0S&l6D&l66P&l3E&a7L&a120M&l61FDOD Software
053238a1
Page 1
dbx 3231L CH1 MAIN BOARD 80-3238 Revised: March 15, 1995
053238A1.000 Revision: A1
Bill Of Materials March 15, 1995 9:23:37
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
1 B1 BAR320301 32-0301 6 Position, PC Mount, Barrier Strip
1 BR1 BRDB102 70-0129 Bridge Rectifer
34 C1,CD1,CD2,CD3,CD4,CD5, 27PJC3 62-0066 27 pF Cap 50V 20% Axial Monolithic
CD6,CD7,CD8,CD9,C10,CD10,
CD11,CD12,CD13,CD14,CD15,
CD16,CD17,CD18,CD19,C20,
CD20,CD21,CD22,CD23,CD24,
CD25,CD26,CD27,CD28,CD29,
CD30,CD31
2 C2,C6 10KT 62-0163 10 uF Cap 16V 10% Tantalum T&R
40 C4,C5,C7,C8,C12,C13,C14, .047MM3 62-0067 0.047 uF Cap 50V 20% Axial Monolithic
C15,C16,C17,C18,C19,C22,
C23,C24,C26,C27,C28,C29,
C30,C31,C32,C33,C34,C35,
C36,C37,C38,C39,C50,C51,
C52,C54,C55,C56,C60,C61,
C62,C63,C68
2 C11,C21 47S63E 60-0301 47 uF Cap 63V -20/+80% Elect
1 C25 47SE1 60-0054-01 47 uF Cap 16V -20/+20% Elect., T&R
2 C64,C65 470M35E 60-0060 470 uF Cap 35V -20/+20% Elect-S
2 C66,C67 100S25E1 60-0055 100 uF Cap 25V -20/+80% Elect-D T&R
20 CA1,CB1,CA2,CB2,CA3,CB3, .39H63P 62-0152 .39 uF Cap 63V 3% Poly. Film
CA4,CB5,CA6,CB6,CB7,CA8,
CB8,CA9,CA11,CB12,CA13,
CB13,CB14,CA15
20 CA14,CB15,CA17,CB17,CA18, .039H63P 62-0151 .039 uF Cap 63V 3% Poly. Film PET
CB18,CA19,CB19,CA20,CA21,
CB21,CB22,CA23,CB23,CB24,
CA25,CB25,CA26,CA30,CB31
22 CA29,CB30,CA32,CB32,CA33, .0039H63P 62-0150 .0039 uF Cap 63V 3% Poly. Film PET
CB33,CA34,CB34,CA35,CB35,
CA36,CB36,CA37,CB37,CA38,
CB38,CA39,CB39,CA40,CB40,
CA41,CB41
33 CC1,CC2,C3,CC3,CC4,CC5, 10NPSE1 60-0051-01 10 uF Cap 16V -20/+80% Elect., NP T&R
CC6,CC7,CC8,CC9,CC10,
CC11,CC12,CC13,CC14,CC15,
CC16,CC17,CC18,CC19,CC20,
CC21,CC22,CC23,CC24,CC25,
CC26,CC27,CC28,CC29,CC30,
CC31,C47
7 D1,D2,D7,D8,D9,D10,D11 1N4148 70-0002 1N4148 Silicon Switching Diode, 75 Volts PIV
1 D3 1N4001 70-0001 1N4001 Silicon Rectifier, 1 Amp, 50 Volts PIV
6 H1,H2,H3,H4,H7,H8 WT321164 32-1164 10 Circuit Wire Trap Connector, 2mm Pitch
2 H9,H10 HDR321071 32-1071 5 Pin Header, 0.1" spacing, 0.025" sq pins Lockin
1 H11 HDR322111 32-2111 10 Pin Hdr, 5X2, Straight, .23", 0.1" spacing
2 H12,H13 HDR321063 32-1063 5 Pin Header, 0.1" spacing, 0.025" sq pins, 0.43" pins
1 HS1 HS704204 70-4204 Heatsink, 3 Regulator, Top
1 HS2 HS704203 70-4203 Heatsink, 3 Regulator, U-Shape Base
Page 1
1 I1 INS704209 70-4209 Insulator, 3 Regulator Heatsink
053238a1
2 J1,J4 J322110 32-2110 Jack, 1/4" Phone, PCB Mount, Hor., Cliff S2
1 J2 J322115 32-2115 XLR, Ins, Female PC Mount, R/A
DOD Software Page
dbx 3231L CH1 MAIN BOARD 80-3238 Revised: March 15, 1995
053238A1.000 Revision: A1
Bill Of Materials March 15, 1995 9:23:37
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
1 J3 J322114 32-2114 XLR, Ins, Male PC Mount, R/A
1 K1 RLY725143 72-5143 DPDT Relay Switch
6 L1,L2,L3,L4,L9,L10 EMI1000PF 62-2101 1000 pF Filter, EMI, SUPP, 50V
1 PCB1 80-3238-A 80-3238-A dbx 3000 SERIES EQ MAIN PCB RAW
6 PJ1,PJ2,PJ3,PJ4,PJ5,PJ6 PJ ---- This is not a part.
4 Q1,Q2,Q3,Q5 J112 70-1012 J112A JFET, National Only
1 Q4 2N5088 70-1007 2N5088 NPN, T&R
1 Q11 2N6427 70-1150 2N6427 Darlington
2 R1,R2 49.9K 1% 52-0020 49.9 KOhm Resistor 1% 1/4 Watt Metal Film
4 R3,R8,R9,R14 13.3K 1% 52-0053 13.3 KOhm Resistor 1% 1/4 Watt Metal Film
4 R4,R7,R12,R15 4.42K 1% 52-0120 4.42 KOhm Resistor 1% 1/4 Watt Metal Film
4 R5,R6,R13,R16 1.00K 1% 52-0133 1.00 KOhm Resistor 1% 1/4 Watt Metal Film
1 R10 330 50-0005 330 Ohm Resistor 5% 1/4 Watt Carbon Film
1 R11 220K 50-0040 220 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R17 200K 1% 52-0276 200 KOhm Resistor 1% 1/4 Watt Metal Film
1 R18 75K 50-0033 75 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R38,R41 2.00K 1% 52-0186 2.00 KOhm Resistor 1% 1/4 Watt Metal Film
1 R39 2M 50-0046 2 MOhm Resistor 5% 1/4 Watt Carbon Film
1 R40 340K 1% 52-0254 340 KOhm Resistor 1% 1/4 Watt Metal Film
1 R52 0 50-0050 0 Ohm Resistor 5% 1/4 Watt Carbon Film
2 R53,R54 15 1W 50-1153 15 Ohm Resistor 5% 1 Watt MOF Flameproof
3 RA1,RA14,RA24 100K 1% 52-0305 100 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA2,RA17,RA27 78.7K 1% 52-0071 78.7 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA3,RA10,RA20 121K 1% 52-0297 121 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA4,RA12,RA22 39.2K 1% 52-0079 39.2 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA5,RA13,RA23 61.9K 1% 52-0072 61.9 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA6,RA15,RA25 30.1K 1% 52-0083 30.1 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA7,RA16,RA26 48.7K 1% 52-0076 48.7 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA8,RA18,RA28 15.4K 1% 52-0096 15.4 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA9,RA19,RA29 24.3K 1% 52-0086 24.3 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA11,RA21,RA31 19.6K 1% 52-0092 19.6 KOhm Resistor 1% 1/4 Watt Metal Film
1 RA30 12.1K 1% 52-0103 12.1 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB1,RB14,RB24 23.2K 1% 52-0087 23.2 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB2,RB17,RB27 18.2K 1% 52-0093 18.2 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB3,RB10,RB20 28.7K 1% 52-0084 28.7 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB4,RB12,RB22 9.09K 1% 52-0109 9.09 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB5,RB13,RB23 14.3K 1% 52-0099 14.3 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB6,RB15,RB25 7.15K 1% 52-0113 7.15 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB7,RB16,RB26 11.5K 1% 52-0104 11.5 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB8,RB18,RB28 3.65K 1% 52-0122 3.65 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB9,RB19,RB29 5.76K 1% 52-0116 5.76 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB11,RB21,RB31 4.64K 1% 52-0118 4.64 KOhm Resistor 1% 1/4 Watt Metal Film
1 RB30 2.87K 1% 52-0126 2.87 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC1,RC14,RC24 13.0K 1% 52-0101 13.0 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC2,RC17,RC27 10.2K 1% 52-0106 10.2 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC3,RC10,RC20 16.2K 1% 52-0095 16.2 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC4,RC12,RC22 5.11K 1% 52-0117 5.11 KOhm Resistor 1% 1/4 Watt Metal Film
Page 2
3 RC5,RC13,RC23 8.06K 1% 52-0111 8.06 KOhm Resistor 1% 1/4 Watt Metal Film
053238a1
3 RC6,RC15,RC25 4.02K 1% 52-0121 4.02 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC7,RC16,RC26 6.49K 1% 52-0114 6.49 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC8,RC18,RC28 2.05K 1% 52-0129 2.05 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC9,RC19,RC29 3.24K 1% 52-0124 3.24 KOhm Resistor 1% 1/4 Watt Metal Film
DOD Software Page
dbx 3231L CH1 MAIN BOARD 80-3238 Revised: March 15, 1995
053238A1.000 Revision: A1
Bill Of Materials March 15, 1995 9:23:37
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
3 RC11,RC21,RC31 2.61K 1% 52-0127 2.61 KOhm Resistor 1% 1/4 Watt Metal Film
1 RC30 1.62K 1% 52-0131 1.62 KOhm Resistor 1% 1/4 Watt Metal Film
64 RD1,RE1,RD2,RE2,RD3,RE3, 10.0K 1% 52-0107 10.0 KOhm Resistor 1% 1/4 Watt Metal Film
RD4,RE4,RD5,RE5,RD6,RE6,
RD7,RE7,RD8,RE8,RD9,RE9,
RD10,RE10,RD11,RE11,RD12,
RE12,RD13,RE13,RD14,RE14,
RD15,RE15,RD16,RE16,RD17,
RE17,RD18,RE18,RD19,RE19,
RD20,RE20,RD21,RE21,RD22,
RE22,RD23,RE23,RD24,RE24,
RD25,RE25,RD26,RE26,RD27,
RE27,RD28,RE28,RD29,RE29,
RD30,RE30,RD31,RE31,R36,
R37
2 S4,S5 DIP8S 70-3020 8 Pin Dip Socket
2 SR1,SR2 SR280058 28-0058 Screw, 6-32 x 3/8", Pozi-pan, Black
2 SR3,SR4 SR280059 28-0059 Screw, 6-32 x 1/4", Pozi-pan, Black
1 SW1 SW440131 44-0131 4PDT Slide Switch, 2MM Actuator, RA
17 U1,U2,U3,U6,U7,U8,U9,U10, MC33078 72-4248 Dual OP-AMP
U11,U12,U13,U14,U17,U18,
U19,U21,U22
1 U4 SSM2141 72-4256 SSM2141P Differential Line Receiver
1 U5 SSM2142 72-4252 Balanced Line Driver
1 U23 7915 70-4124 7915 -15 Volt 1 A Voltage Regulator TO-220
1 U24 7815 70-4123 7815 +15 Volt 1 A Voltage Regulator TO-220
2 WA1,WA4 WA283449 28-3449 Washer, Ground, Int tooth, for Cliff S2 Jack
Page 3
ECN# DATE ECN# DATEDESCRIPTIONREVISIONREVISION DESCRIPTION
A0 RELEASE TO PRODUCTION, BOARD IS REV A 3.15.95
|LINK
|053243A0.001
|053243A0.002
|053243A0.003
|053243A0.004
|053243A0.005
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH2 MAIN BOARD 80-3238
Size Document Number Rev
053243A0.000 A0
B
Monday, October 25, 1999
Date: Sheet of
0 5
WA1
WA283449
INPUT GROUND
LIFT SWITCH
INPUT
INPUT TRANSFORMER OPTION
J1
1
J322110
4
13
3
SW1
SW440131
654
12378
5
2
6
11
10
912
J2
J322115
12
4
14
3
L1
EMI1000PF
1 3
2
L3
EMI1000PF
1 3
1
2
2
B1
IN+
IN-
GND
OUT+
OUT-
GND
1
2
3
4
5
6
BAR320301
OUTPUT
WA4
WA283449
1
J4
1
J322110
4
5
2
3
2
6
1 2
4
R11
220K
C25
47SE1
J3
J322114
V+
L9
EMI1000PF
1 3
3
R10
330
V+
D1
1N4148
R18
75K
2
L10
EMI1000PF
1 3
2
D3
1N4001
Q4
2N5088
V-
(UNSOLDER PJ3 & PJ4 WHEN INPUT
TRANSFORMER IS INSTALLED)
H12A
HDR321063
1
RELAY DEFEAT
(UNSOLDER PJ1 & PJ2 TO DEFEAT)
PJ1
PJ
PJ2
PJ
K1
6
4
8
11
13
9
16
1
RLY725143
H12C3H12D4H12E
H12B
2
PJ3
PJ
PJ4
PJ
IN+
IN+
OUT+
OUT+
IN-
INOUT-
OUT-
5
V+
7
3
U4
2
4
V-
SSM2141
H13A
HDR321063
H13B2H13C3H13D4H13E
1
PJ5
PJ
PJ6
PJ
OUTPUT TRANSFORMER OPTION
(UNSOLDER PJ5 & PJ6 WHEN OUTPUT
TRANSFORMER IS INSTALLED)
RANGE
H1
1
V+
A
2
V-
B
3
5
6
1
C1
27PJC3
R2
49.9K 1%
R1
49.9K 1%
5
R36
10.0K 1%
R37
10.0K 1%
C11
47S63E
C21
47S63E
2
3
D8
1N4148
D10
1N4148
U2A
4
V-
1
MC33078
V+ V-
C3
10NPSE1
V+V-
D7
1N4148
V+
SSM2142
2
1
4
U5
8
3
7
56
V-
D9
1N4148
BYPASS
EQ OUT
C
4
D
5
E
6
F
7
G
8
H
9
I
10
J
WT321164
TO/FROM
CONTROL BOARD
EQ IN
IN CLIP
V-
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH2 MAIN BOARD 80-3238
Size Document Number Rev
053243A0.001 A0
B
Monday, October 25, 1999
Date: Sheet of
1 5
EQ IN
H2
WT321164
TO/FROM
SLIDER BOARD
IN CLIP
R17
D2
R4
4.42K 1%
R3
13.3K 1%
2
R40
340K 1%
1N4148
Q1
J112
1 3
Q11
2N6427
213
R5
1.00K 1%
13
R41
2.00K 1%
J112
2
L2
EMI1000PF
Q2
13.3K 1%
C10
27PJC3
MC33078
2
3
213
R9
13.3K 1%
V+
6
U3B
5
MC33078
C20
27PJC3
8
MC33078
3
2
V-
10.0K 1%
RD5
10.0K 1%
V+
5
U7B
6
RE7
10.0K 1%
RD7
10.0K 1%
MC33078
3
U6A
2
V-
10.0K 1%
RD4
10.0K 1%
4.42K 1%
U7A
4
RE5
CD5
27PJC3
8
MC33078
CD7
27PJC3
4
CD4
27PJC3
R13
1.00K 1%
R12
7
RE4
H3
1
A
2
C1
C1
C2
C2
C3
C3
C4
C4
C5
C5
C6
C6
C7
C7
C8
RC6
4.02K 1%
RB6
7.15K 1%
RC9
3.24K 1%
RB9
C8
C47
10NPSE1
CC4
10NPSE1
1
CC5
10NPSE1
7
CC6
10NPSE1
1
EQ OUT
80 Hz
RA6
30.1K 1%
CB7
.39H63P
100 Hz
RA9
24.3K 1%
CB12
.39H63P
C6
C6
CA8
.39H63P
CA11
.39H63P
5.76K 1%
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH2 MAIN BOARD 80-3238
Size Document Number Rev
053243A0.002 A0
B
Monday, October 25, 1999
Date: Sheet of
V+
5
U6B
6
RD6
10.0K 1%
3
U9A
2
V-
RD9
10.0K 1%
3
4
5
6
7
8
9
10
8
MC33078
RE6
10.0K 1%
CD6
27PJC3
MC33078
4
10.0K 1%
CD9
27PJC3
B
C
D
E
F
G
H
I
J
WT321164
7
1
RE9
CC7
10NPSE1
CC8
10NPSE1
FILTERS IN1
2 5
C7
C7
C8
C8
R6
1.00K 1%
R7
4.42K 1%
213
R8
R15
4.42K 1%
213
R16
1.00K 1%
R14
1
U3A
4
V-
RC3
CB3
.39H63P
CB1
.39H63P
CB2
.39H63P
16.2K 1%
CA3
.39H63P
RC1
13.0K 1%
CA1
.39H63P
RC2
10.2K 1%
CA2
.39H63P
RB3
28.7K 1%
RB1
23.2K 1%
RB2
18.2K 1%
V+
5
U2B
6
MC33078
10.0K 1%
RD3
10.0K 1%
MC33078
3
U1A
2
V-
RE1
10.0K 1%
RD1
10.0K 1%
V+
5
U1B
6
10.0K 1%
RD2
10.0K 1%
8
RE3
CD3
27PJC3
4
CD1
27PJC3
8
MC33078
RE2
CD2
27PJC3
CC1
10NPSE1
7
CC2
10NPSE1
1
CC3
10NPSE1
7
20 Hz
RA3
121K 1%
25 Hz
RA1
100K 1%
31.5 Hz
RA2
78.7K 1%
13.3K 1%
L4
EMI1000PF
1 3
40 Hz
RA5
61.9K 1%
C1 C4
C1 C4
C2 C5
C2 C5
C3
C3
CB6
.39H63P
50 Hz
RA7
48.7K 1%
CB8
.39H63P
63 Hz
RA4
39.2K 1%
CB5
.39H63P
Q5
J112
2
RC5
8.06K 1%
CA6
.39H63P
RB5
14.3K 1%
RC7
6.49K 1%
CA9
.39H63P
RB7
11.5K 1%
RC4
5.11K 1%
CA4
.39H63P
RB4
9.09K 1%
J112
Q3
200K 1%
C24
.047MM3
1
A
2
B
3
C
4
D
5
E
F
G
H
I
J
+15
6
7
-15
8
9
10
D11
1N4148
C68
.047MM3
SLIDER BOOST
SLIDER CUT
R38
2.00K 1%
R39
2M
FILTERS IN1
125 Hz
19.6K 1%
CB14
.39H63P
160 Hz
RA8
15.4K 1%
CB13
.39H63P
RA11
RC11
2.61K 1%
CA15
.39H63P
RB11
4.64K 1%
RC8
2.05K 1%
CA13
.39H63P
RB8
3.65K 1%
RC10
200 Hz
RA10
121K 1%
CB15
.039H63P
MC33078
V+
5
U9B
6
RD11
10.0K 1%
MC33078
3
U8A
2
V-
10.0K 1%
RD8
10.0K 1%
8
10.0K 1%
4
CC12
10NPSE1
7
D1
D1
RE11
CD11
27PJC3
CC10
10NPSE1
1
D2
D2
RE8
CD8
27PJC3 CD17
250 Hz
RA14
100K 1%
CB19
.039H63P
315 Hz
RA17
78.7K 1%
CB22
.039H63P
16.2K 1%
CA14
.039H63P
RB10
28.7K 1%
RC14
13.0K 1%
CA19
.039H63P
RB14
23.2K 1%
RC17
10.2K 1%
CA21
.039H63P
RB17
18.2K 1%
V+
5
U8B
6
RD10
10.0K 1%
MC33078
3
U12A
2
V-
RD14
10.0K 1%
V+
5
U12B
6
RD17
10.0K 1%
8
MC33078
RE10
10.0K 1%
CD10
27PJC3
4
RE14
10.0K 1%
CD14
27PJC3
8
MC33078
RE17
10.0K 1%
27PJC3
RC13
CB18
CB21
CB17
8.06K 1%
CA18
.039H63P
14.3K 1%
RC16
6.49K 1%
CA20
.039H63P
RB16
11.5K 1%
RC12
5.11K 1%
CA17
.039H63P
RB12
9.09K 1%
RB13
MC33078
3
U11A
2
V-
RD13
10.0K 1%
V+
5
U11B
6
RD16
10.0K 1%
MC33078
3
U10A
2
V-
RD12
10.0K 1%
4
10.0K 1%
CD13
27PJC3
8
MC33078
10.0K 1%
CD16
27PJC3
4
RE12
10.0K 1%
CD12
27PJC3
RE13
RE16
H4
1
CC13
10NPSE1
1
7
1
CC16
10NPSE1
CC14
10NPSE1
D6
D6
D7
D7
D8
D8
D2
D2
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
D8
D8
2
3
4
5
6
7
8
9
10
A
B
C
D
E
F
G
H
I
J
WT321164
400 Hz
CC9
10NPSE1
7
D3 D1
D3 D1
RA13
61.9K 1%
.039H63P
500 Hz
CC11
10NPSE1
1
D4
D4
RA16
48.7K 1%
.039H63P
630 Hz
CC15
10NPSE1
7
D5
D5
RA12
39.2K 1%
.039H63P
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH2 MAIN BOARD 80-3238
Size Document Number Rev
053243A0.003 A0
B
Monday, October 25, 1999
Date: Sheet of
3 5
FILTERS IN1
H7
1
A
2
G1
G1
G2
G2
G3
G3
G4
G4
G5
800 Hz
RA15
R52
30.1K 1%
0
CB23
.039H63P
1000 Hz
RA19
24.3K 1%
CB24
.039H63P
1250 Hz
RA21
19.6K 1%
CB31
.039H63P
RC15
4.02K 1%
CA23
.039H63P
RC19
3.24K 1%
CA25
.039H63P
RC21
2.61K 1%
CA30
.039H63P
RB15
7.15K 1%
RB19
5.76K 1%
RB21
4.64K 1%
V+
5
U10B
6
10.0K 1%
RD15
10.0K 1%
MC33078
3
U14A
2
V-
RD19
10.0K 1%
MC33078
V+
5
U14B
6
RD21
10.0K 1%
8
MC33078
RE15
CD15
27PJC3
4
10.0K 1%
CD19
27PJC3
8
10.0K 1%
CD21
27PJC3
RE19
RE21
1600 Hz
CC17
10NPSE1
7
G1
G1
15.4K 1%
.039H63P
2000 Hz
CC18
10NPSE1
1
G2
G2
121K 1%
CB30
.0039H63P
2500 Hz
CC19
10NPSE1
7
G3
G3
100K 1%
CB34
.0039H63P
RA18
CB25
RA20
RA24
RC18
2.05K 1%
RC20
16.2K 1%
RC24
13.0K 1%
CA26
.039H63P
RB18
3.65K 1%
CA29
.0039H63P
RB20
28.7K 1%
CA34
.0039H63P
23.2K 1%
RB24
MC33078
3
2
RD18
10.0K 1%
5
6
RD20
10.0K 1%
3
2
RD24
10.0K 1%
U13A
4
V-
10.0K 1%
V+
U13B
MC33078
U19A
V-
10.0K 1%
RE18
CD18
27PJC3
MC33078
8
RE20
10.0K 1%
CD20
27PJC3
4
CD24
27PJC3
1
RE24
RA23
RA27
RC27
10.2K 1%
CA37
.0039H63P
RC23
8.06K 1%
CA33
.0039H63P
RB27
18.2K 1%
RB23
14.3K 1%
V+
5
U19B
6
10.0K 1%
RD27
10.0K 1%
MC33078
3
U18A
2
V-
RD23
10.0K 1%
8
MC33078
RE27
CD27
27PJC3
4
RE23
10.0K 1%
CD23
27PJC3
CC23
10NPSE1
7
CC24
10NPSE1
1
3150 Hz
CC20
10NPSE1
G4
G4
78.7K 1%
CB37
.0039H63P
4000 Hz
CC21
10NPSE1
7
1
CC22
10NPSE1
G5
G5
G6
G6
61.9K 1%
CB33
.0039H63P
G5
G6
G6
G7
G7
G8
G8
G7
G7
G8
G8
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
WT321164
FILTERS IN2
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH2 MAIN BOARD 80-3238
Size Document Number Rev
053243A0.004 A0
B
Monday, October 25, 1999
Date: Sheet of
4 5
FILTERS IN2
5000 Hz
RA26
48.7K 1%
.0039H63P
6300 Hz
RA22
39.2K 1%
.0039H63P
8000 Hz
RA25
30.1K 1%
.0039H63P
10000 Hz
RA29
24.3K 1%
.0039H63P
CB36
CB32
CB35
CB39
RC26
6.49K 1%
.0039H63P
11.5K 1%
.0039H63P
9.09K 1%
.0039H63P
3.24K 1%
.0039H63P
CA36
RB26
RC22
5.11K 1%
CA32
RB22
RC25
4.02K 1%
CA35
RB25
7.15K 1%
RC29
CA39
RB29
5.76K 1%
CB41
RA28
CB38
CB40
RC31
2.61K 1%
CA41
.0039H63P
RB31
4.64K 1%
RC28
2.05K 1%
CA38
.0039H63P
RB28
3.65K 1%
RC30
1.62K 1%
CA40
.0039H63P
RB30
2.87K 1%
V+
8
5
U18B
6
MC33078
10.0K 1%
RD26
10.0K 1%
MC33078
3
U17A
2
4
V-
10.0K 1%
RD22
10.0K 1%
V+ V+
8
5
U17B
6
MC33078
10.0K 1%
RD25
10.0K 1%
MC33078
3
U22A
2
4
V-
10.0K 1%
RD29
10.0K 1%
RE26
CD26
27PJC3
RE22
CD22
27PJC3
RE25
CD25
27PJC3
RE29
CD29
27PJC3
CC27
10NPSE1
7
CC26
10NPSE1
1
CC25
10NPSE1
7
CC28
10NPSE1
1
12500 Hz
RA31
19.6K 1%
H2
H2
.0039H63P
16000 Hz
15.4K 1%
H3
H3
.0039H63P
20000 Hz
RA30
12.1K 1%
H4 H8
H4 H8
.0039H63P
H5
H5
V+
5
U22B
6
RD31
10.0K 1%
MC33078
3
U21A
2
V-
RD28
10.0K 1%
5
U21B
6
RD30
10.0K 1%
8
MC33078
10.0K 1%
CD31
27PJC3
4
RE28
10.0K 1%
CD28
27PJC3
8
MC33078
RE30
10.0K 1%
CD30
27PJC3
+24V
-24V
V+
V-
7
RE31
1
7
BAR320300
B3
CC30
10NPSE1
CC29
10NPSE1
CC31
10NPSE1
1
2
H6 H2
H6 H2
H7
H7
GROUND LIFT
JUMPER
TEST HEADER
H11
1
2
3
4
5
6
7
8
9
10
HDR322111
V+ V+ V+ V+ V+ V+ V+
C4
H8
WT321164
1
A
2
B
3
H3
H3
H4
H4
H5
H5
H6
H6
H7
H7
H8
H8
R48
10
C
4
D
5
E
6
F
7
G
8
H
9
I
10
J
.047MM3C5.047MM3
V+ V+ V+ V+ V+
C26
.047MM3
V+ V+
C50
.047MM3
C7
.047MM3C8.047MM3
C28
.047MM3
C54
.047MM3
SR1
SR280058
SR2
SR280058
SR3
SR280059
SR4
SR280059
H9E
HDR321071
5
H9D
4
H9C
3
H9B
2
H9A
1
R53
15 1W
R54
15 1W
C27
.047MM3
C51
.047MM3
C29
.047MM3
C55
.047MM3
S4
DIP8S
S5
DIP8S
PCB1
80-3238-A
3
C12
.047MM3
V+V+
C30
.047MM3
V+ V+
C52
.047MM3
C14
.047MM3
C33
.047MM3
C56
.047MM3
HS1
HS704204
HS2
HS704203
I1
INS704209
1
BR1
BRDB102
4
2
C13
.047MM3
C31
.047MM3
C60
.047MM3
C16
.047MM3
C34
.047MM3
V-V-V-V-
C62
.047MM3
1
2
3
4
5
+24V
C65
470M35E
C64
470M35E
-24V
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L CH2 MAIN BOARD 80-3238
Size Document Number Rev
053243A0.005 A0
B
Date: Sheet of
C15
.047MM3
C32
.047MM3
V+
C61
.047MM3
C17
.047MM3
C35
.047MM3
V-
C63
.047MM3
WR1
1 2
W360023
U24
7815
1
I
2
I
U23
7915
Monday, October 25, 1999
C18
.047MM3
C36
.047MM3
V-V-V-V-V- V-V-
C22
.047MM3
V-V-V-V-V- V-V-
C38
.047MM3
V-V+
C6
10KT
C67
100S25E1
C66
100S25E1
+15
V+
V-
-15
5 5
3
O
G
2
1
G
3
O
C19
.047MM3
C37
.047MM3
C23
.047MM3
C39
.047MM3
C2
10KT
&l0(s0P(s15H(s8V(s0S&l6D&l66P&l3E&a7L&a120M&l61FDOD Software
053243a0
Page 1
dbx 3231L CH2 MAIN BOARD 80-3238 Revised: March 15, 1995
053243A0.000 Revision: A0
Bill Of Materials March 15, 1995 16:16:39
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
1 B1 BAR320301 32-0301 6 Position, PC Mount, Barrier Strip
1 B3 BAR320300 32-0300 2 Position, PC Mount, Barrier Strip
1 BR1 BRDB102 70-0129 Bridge Rectifer
34 C1,CD1,CD2,CD3,CD4,CD5, 27PJC3 62-0066 27 pF Cap 50V 20% Axial Monolithic
CD6,CD7,CD8,CD9,C10,CD10,
CD11,CD12,CD13,CD14,CD15,
CD16,CD17,CD18,CD19,C20,
CD20,CD21,CD22,CD23,CD24,
CD25,CD26,CD27,CD28,CD29,
CD30,CD31
2 C2,C6 10KT 62-0163 10 uF Cap 16V 10% Tantalum T&R
40 C4,C5,C7,C8,C12,C13,C14, .047MM3 62-0067 0.047 uF Cap 50V 20% Axial Monolithic
C15,C16,C17,C18,C19,C22,
C23,C24,C26,C27,C28,C29,
C30,C31,C32,C33,C34,C35,
C36,C37,C38,C39,C50,C51,
C52,C54,C55,C56,C60,C61,
C62,C63,C68
2 C11,C21 47S63E 60-0301 47 uF Cap 63V -20/+80% Elect
1 C25 47SE1 60-0054-01 47 uF Cap 16V -20/+20% Elect., T&R
2 C64,C65 470M35E 60-0060 470 uF Cap 35V -20/+20% Elect-S
2 C66,C67 100S25E1 60-0055 100 uF Cap 25V -20/+80% Elect-D T&R
20 CA1,CB1,CA2,CB2,CA3,CB3, .39H63P 62-0152 .39 uF Cap 63V 3% Poly. Film
CA4,CB5,CA6,CB6,CB7,CA8,
CB8,CA9,CA11,CB12,CA13,
CB13,CB14,CA15
20 CA14,CB15,CA17,CB17,CA18, .039H63P 62-0151 .039 uF Cap 63V 3% Poly. Film PET
CB18,CA19,CB19,CA20,CA21,
CB21,CB22,CA23,CB23,CB24,
CA25,CB25,CA26,CA30,CB31
22 CA29,CB30,CA32,CB32,CA33, .0039H63P 62-0150 .0039 uF Cap 63V 3% Poly. Film PET
CB33,CA34,CB34,CA35,CB35,
CA36,CB36,CA37,CB37,CA38,
CB38,CA39,CB39,CA40,CB40,
CA41,CB41
33 CC1,CC2,C3,CC3,CC4,CC5, 10NPSE1 60-0051-01 10 uF Cap 16V -20/+80% Elect., NP T&R
CC6,CC7,CC8,CC9,CC10,
CC11,CC12,CC13,CC14,CC15,
CC16,CC17,CC18,CC19,CC20,
CC21,CC22,CC23,CC24,CC25,
CC26,CC27,CC28,CC29,CC30,
CC31,C47
7 D1,D2,D7,D8,D9,D10,D11 1N4148 70-0002 1N4148 Silicon Switching Diode, 75 Volts PIV
1 D3 1N4001 70-0001 1N4001 Silicon Rectifier, 1 Amp, 50 Volts PIV
6 H1,H2,H3,H4,H7,H8 WT321164 32-1164 10 Circuit Wire Trap Connector, 2mm Pitch
1 H9 HDR321071 32-1071 5 Pin Header, 0.1" spacing, 0.025" sq pins Lockin
1 H11 HDR322111 32-2111 10 Pin Hdr, 5X2, Straight, .23", 0.1" spacing
2 H12,H13 HDR321063 32-1063 5 Pin Header, 0.1" spacing, 0.025" sq pins, 0.43" pins
1 HS1 HS704204 70-4204 Heatsink, 3 Regulator, Top
Page 1
1 HS2 HS704203 70-4203 Heatsink, 3 Regulator, U-Shape Base
053243a0
1 I1 INS704209 70-4209 Insulator, 3 Regulator Heatsink
2 J1,J4 J322110 32-2110 Jack, 1/4" Phone, PCB Mount, Hor., Cliff S2
DOD Software Page
dbx 3231L CH2 MAIN BOARD 80-3238 Revised: March 15, 1995
053243A0.000 Revision: A0
Bill Of Materials March 15, 1995 16:16:39
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
1 J2 J322115 32-2115 XLR, Ins, Female PC Mount, R/A
1 J3 J322114 32-2114 XLR, Ins, Male PC Mount, R/A
1 K1 RLY725143 72-5143 DPDT Relay Switch
6 L1,L2,L3,L4,L9,L10 EMI1000PF 62-2101 1000 pF Filter, EMI, SUPP, 50V
1 PCB1 80-3238-A 80-3238-A dbx 3000 SERIES EQ MAIN PCB RAW
6 PJ1,PJ2,PJ3,PJ4,PJ5,PJ6 PJ ---- This is not a part.
4 Q1,Q2,Q3,Q5 J112 70-1012 J112A JFET, National Only
1 Q4 2N5088 70-1007 2N5088 NPN, T&R
1 Q11 2N6427 70-1150 2N6427 Darlington
2 R1,R2 49.9K 1% 52-0020 49.9 KOhm Resistor 1% 1/4 Watt Metal Film
4 R3,R8,R9,R14 13.3K 1% 52-0053 13.3 KOhm Resistor 1% 1/4 Watt Metal Film
4 R4,R7,R12,R15 4.42K 1% 52-0120 4.42 KOhm Resistor 1% 1/4 Watt Metal Film
4 R5,R6,R13,R16 1.00K 1% 52-0133 1.00 KOhm Resistor 1% 1/4 Watt Metal Film
1 R10 330 50-0005 330 Ohm Resistor 5% 1/4 Watt Carbon Film
1 R11 220K 50-0040 220 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R17 200K 1% 52-0276 200 KOhm Resistor 1% 1/4 Watt Metal Film
1 R18 75K 50-0033 75 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R38,R41 2.00K 1% 52-0186 2.00 KOhm Resistor 1% 1/4 Watt Metal Film
1 R39 2M 50-0046 2 MOhm Resistor 5% 1/4 Watt Carbon Film
1 R40 340K 1% 52-0254 340 KOhm Resistor 1% 1/4 Watt Metal Film
1 R48 10 50-0001 10 Ohm Resistor 5% 1/4 Watt Carbon Film
1 R52 0 50-0050 0 Ohm Resistor 5% 1/4 Watt Carbon Film
2 R53,R54 15 1W 50-1153 15 Ohm Resistor 5% 1 Watt MOF Flameproof
3 RA1,RA14,RA24 100K 1% 52-0305 100 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA2,RA17,RA27 78.7K 1% 52-0071 78.7 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA3,RA10,RA20 121K 1% 52-0297 121 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA4,RA12,RA22 39.2K 1% 52-0079 39.2 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA5,RA13,RA23 61.9K 1% 52-0072 61.9 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA6,RA15,RA25 30.1K 1% 52-0083 30.1 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA7,RA16,RA26 48.7K 1% 52-0076 48.7 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA8,RA18,RA28 15.4K 1% 52-0096 15.4 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA9,RA19,RA29 24.3K 1% 52-0086 24.3 KOhm Resistor 1% 1/4 Watt Metal Film
3 RA11,RA21,RA31 19.6K 1% 52-0092 19.6 KOhm Resistor 1% 1/4 Watt Metal Film
1 RA30 12.1K 1% 52-0103 12.1 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB1,RB14,RB24 23.2K 1% 52-0087 23.2 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB2,RB17,RB27 18.2K 1% 52-0093 18.2 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB3,RB10,RB20 28.7K 1% 52-0084 28.7 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB4,RB12,RB22 9.09K 1% 52-0109 9.09 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB5,RB13,RB23 14.3K 1% 52-0099 14.3 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB6,RB15,RB25 7.15K 1% 52-0113 7.15 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB7,RB16,RB26 11.5K 1% 52-0104 11.5 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB8,RB18,RB28 3.65K 1% 52-0122 3.65 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB9,RB19,RB29 5.76K 1% 52-0116 5.76 KOhm Resistor 1% 1/4 Watt Metal Film
3 RB11,RB21,RB31 4.64K 1% 52-0118 4.64 KOhm Resistor 1% 1/4 Watt Metal Film
1 RB30 2.87K 1% 52-0126 2.87 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC1,RC14,RC24 13.0K 1% 52-0101 13.0 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC2,RC17,RC27 10.2K 1% 52-0106 10.2 KOhm Resistor 1% 1/4 Watt Metal Film
Page 2
3 RC3,RC10,RC20 16.2K 1% 52-0095 16.2 KOhm Resistor 1% 1/4 Watt Metal Film
053243a0
3 RC4,RC12,RC22 5.11K 1% 52-0117 5.11 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC5,RC13,RC23 8.06K 1% 52-0111 8.06 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC6,RC15,RC25 4.02K 1% 52-0121 4.02 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC7,RC16,RC26 6.49K 1% 52-0114 6.49 KOhm Resistor 1% 1/4 Watt Metal Film
DOD Software Page
dbx 3231L CH2 MAIN BOARD 80-3238 Revised: March 15, 1995
053243A0.000 Revision: A0
Bill Of Materials March 15, 1995 16:16:39
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
3 RC8,RC18,RC28 2.05K 1% 52-0129 2.05 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC9,RC19,RC29 3.24K 1% 52-0124 3.24 KOhm Resistor 1% 1/4 Watt Metal Film
3 RC11,RC21,RC31 2.61K 1% 52-0127 2.61 KOhm Resistor 1% 1/4 Watt Metal Film
1 RC30 1.62K 1% 52-0131 1.62 KOhm Resistor 1% 1/4 Watt Metal Film
64 RD1,RE1,RD2,RE2,RD3,RE3, 10.0K 1% 52-0107 10.0 KOhm Resistor 1% 1/4 Watt Metal Film
RD4,RE4,RD5,RE5,RD6,RE6,
RD7,RE7,RD8,RE8,RD9,RE9,
RD10,RE10,RD11,RE11,RD12,
RE12,RD13,RE13,RD14,RE14,
RD15,RE15,RD16,RE16,RD17,
RE17,RD18,RE18,RD19,RE19,
RD20,RE20,RD21,RE21,RD22,
RE22,RD23,RE23,RD24,RE24,
RD25,RE25,RD26,RE26,RD27,
RE27,RD28,RE28,RD29,RE29,
RD30,RE30,RD31,RE31,R36,
R37
2 S4,S5 DIP8S 70-3020 8 Pin Dip Socket
2 SR1,SR2 SR280058 28-0058 Screw, 6-32 x 3/8", Pozi-pan, Black
2 SR3,SR4 SR280059 28-0059 Screw, 6-32 x 1/4", Pozi-pan, Black
1 SW1 SW440131 44-0131 4PDT Slide Switch, 2MM Actuator, RA
17 U1,U2,U3,U6,U7,U8,U9,U10, MC33078 72-4248 Dual OP-AMP
U11,U12,U13,U14,U17,U18,
U19,U21,U22
1 U4 SSM2141 72-4256 SSM2141P Differential Line Receiver
1 U5 SSM2142 72-4252 Balanced Line Driver
1 U23 7915 70-4124 7915 -15 Volt 1 A Voltage Regulator TO-220
1 U24 7815 70-4123 7815 +15 Volt 1 A Voltage Regulator TO-220
2 WA1,WA4 WA283449 28-3449 Washer, Ground, Int tooth, for Cliff S2 Jack
1 WR1 W360023 36-0023 Wire, 2 End, 8.00", Black, 20AWG, UL1015
Page 3
ECN# DATE ECN# DATEDESCRIPTIONREVISIONREVISION DESCRIPTION
A0 BOARD CHANGED TO REV A 12.5.94---
A1 CHANGE RIBBON CABLE H1 FROM A 2" CABLE TO A 5" CABLE. --- 3.8.95
A2 3/31/971382CHANGE 44-0027 TO 44-0050
|LINK
|053237A2.001
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
DBX 30 SERIES EQS CONTROL BOARD 80-3237
Size Document Number Rev
053237A2.000 A2
B
Friday, October 15, 1999
Date: Sheet of
0 1
H1
RC2_10_5
TO/FROM
MAIN PCB
H1A
RCH321221
INPUT GAIN
C17
27PJC3
4.64K 1%
6
R15
18.2K 1%
5
BYPASS
EQ ENABLE
SW4A
SW4B
1
4
2
5
3
6
SW440050
EQ OUT
1
2
3
4
5
6
7
8
9
10
V+
V-
RANGE
TO OUTPUT
EQ IN
R16
V+
U3B
8
MC33078
R9
20.0K 1%
20.0K 1%
R10
123
7
P2
100K402078
6
5
R5
475K 1%
V+
U1B
8
MC33078
.12KFC2.12KF
7
P1A
100K402011
11.0K 1%
C5
11.0K 1%
LO-CUT
R4
LOW CUT ENABLE
C6
10NPSE1
SW1B
P1B
5
100K402011
4 6
2
U1A
3
MC33078
4
R1
V-
4
5
6
SW440050
C3
10NPSE1
1
SW1A
R3
20.0K 1%
1
2
3
.0013HF
C12
HI-CUT
V+
6
R2
20.0K 1%
475K 1%
1
MC33078
7.15K 1%
R7
2
U2A
3
R6
4
V-
R11
7.15K 1%
U2B
5
C11
.0010HF
8
MC33078
C8
10NPSE1
SW2B
4
5
6
SW440050
C10
10NPSE1
7
SW2A
R14
20.0K 1%
1
2
3
R13
20.0K 1%
R8
20.0K 1%
MC33078
C15
27PJC3
R12
10.0K 1%
2
U3A
3
V-
1
4
2
13
HI CUT ENABLE
V+
SW3B
SW3A
4
BOOST/CUT
RANGE
1
2
3
+/-6dB (-10dB)
+/-12dB (-20dB)
5
6
SW440050
V-
CONTROL FUNCTION
P1
LOWCUT FREQUENCY
P2
INPUT GAIN
SW1
LOW CUT ENABLE
SW2
HI CUT ENABLE
CUT/BOOST RANGE
SW3
SW4
EQ ENABLE
SC1
SC340125
SC2
SC340125
SC3
SC340125
SC4
SC340125
V+ V+ V+ V- V- V-
C18
.047MM3C4.047MM3C9.047MM3
C16
.047MM3C1.047MM3C7.047MM3
V+ V-
C13
10KT
PCB1
80-3237-A
C14
10KT
LAST REF.NOT USED
C18
H1
P2
R16
SC4
SW4
U3
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 30 SERIES EQS CONTROL BOARD 80-3237
Size Document Number Rev
053237A2.001 A2
B
Friday, October 15, 1999
Date: Sheet of
1 1
&l0(s0P(s15H(s8V(s0S&l6D&l66P&l3E&a7L&a120M&l61FDOD Software
053237a2
Page 1
DBX 30 SERIES EQS CONTROL BOARD 80-3237 Revised: April 1, 1997
053237A2.000 Revision: A2
Bill Of Materials April 1, 1997 13:39:56
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
6 C1,C4,C7,C9,C16,C18 .047MM3 62-0067 0.047 uF Cap 50V 20% Axial Monolithic
2 C2,C5 .12KF 56-2034 .12 uF Cap 100V 10% Poly Film
4 C3,C6,C8,C10 10NPSE1 60-0051-01 10 uF Cap 16V -20/+20% Elect., NP T&R
1 C11 .0010HF 56-0071 .0010 uF Cap 100V 3% Poly Film
1 C12 .0013HF 56-0072 .0013 uF Cap 100V 3% Poly Film
2 C13,C14 10KT 62-0163 10 uF Cap 16V 10% Tantalum T&R
2 C15,C17 27PJC3 62-0066 27 pF Cap 50V 20% Axial Monolithic
1 H1 RC2_10_5 32-1204 10 Pin Ribbon Cable, 2mm spacing, 5.00" Length
1 H1A RCH321221 32-1221 10 Pin Ribbon Cable, Holder, 2mm spacing
1 P1 100K402011 40-2011 100 K "W" 16mm, Rot Pot x2, Rack Leads
1 P2 100K402078 40-2078 100 K "A" 16mm, Rot Pot 15mm Knurl shaft, horiz mt.
1 PCB1 80-3237-A 80-3237-A dbx 3000 SERIES CONTROL PCB RAW
2 R1,R4 11.0K 1% 52-0105 11.0 KOhm Resistor 1% 1/4 Watt Metal Film
7 R2,R3,R8,R9,R10,R13,R14 20.0K 1% 52-0091 20.0 KOhm Resistor 1% 1/4 Watt Metal Film
2 R5,R6 475K 1% 52-0240 475 KOhm Resistor 1% 1/4 Watt Metal Film
2 R7,R11 7.15K 1% 52-0113 7.15 KOhm Resistor 1% 1/4 Watt Metal Film
1 R12 10.0K 1% 52-0107 10.0 KOhm Resistor 1% 1/4 Watt Metal Film
1 R15 18.2K 1% 52-0093 18.2 KOhm Resistor 1% 1/4 Watt Metal Film
1 R16 4.64K 1% 52-0118 4.64 KOhm Resistor 1% 1/4 Watt Metal Film
4 SC1,SC2,SC3,SC4 SC340125 34-0125 Switch Cap, Black
4 SW1,SW2,SW3,SW4 SW440050 44-0050 Mini In/Out DPDT Switch (6 Pin) E-Switch
3 U1,U2,U3 MC33078 72-4248 Dual OP-AMP
Page 1
ECN# DATE ECN# DATEDESCRIPTIONREVISIONREVISION DESCRIPTION
A0 BOARD CHANGED TO REV A --- 12.13.94
A1 3.10.95253CHANGE H1, H2, H3, H4, H5 TO (32-1204) 5" RIBBON CABLE
A2 CHANGED LED'S TO LED'S WITH THE SPACER MOLDED TO THE BODY 2342 7-2-98
|LINK
|053236A2.001
|053236A2.002
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L SLIDER BOARD 80-3236
Size Document Number Rev
053236A2.000 A2
B
Friday, October 15, 1999
Date: Sheet of
0 2
+15 -15
1
2
3
4
5
6
7
8
9
10
H6
RC321203
H6A
RCH321221
PCB1
80-3236-A
+15 +15 +15
BP11
.047MM3
BP10
.047MM3
EQ1 OUT
EQ1 IN
SLIDER BOOST
SLIDER CUT
R122
100K 1%
BP12
.047MM3
BP9
.047MM3
R133
100K 1%
CHANNEL 1
R136
100K 1%
2
U6A
3
4
-15
R124
100K 1%
+15
6
U6B
5
BP8
.047MM3
-15-15-15
BP7
.047MM3
8
D24
1N4148
1
LF353
D17
1N4148
LF353
-15
LM339
LM339
LM339
LM339
LM339
LM339
3 dB
D26
LEDR702037
1
6 dB
D25
LEDY702039
2
12 dB
D23
LEDG702038
13
18 dB
D22
LEDG702038
14
24 dB
D20
LEDG702038
1
30 dB
D18
LEDG702038
2
36 dB
D16
LEDG702038
13
42 dB
D15
LEDG702038
14
POWER LED
D14
LEDG702038
+15
R153
R139
R141
R128
R113
R112
R108
R109
7
U5B
6
+15
3
5
U5A
4
11
U5D
10
9
U5C
8
12
-15
7
U4B
6
+15
3
5
U4A
4
11
U4D
10
LM339
9
U4C
8
LM339
12
-15
HEADROOM METER
48.7K 1%
D21
1N4148
7
D19
1N4148
+15
20K
2
R125
47K
26.1K 1%
R150
200
C2
1.5M25T
R140
31.6K 1%
16.2K 1%
8.06K 1%
4.02K 1%
2.00K 1%
1.00K 1%
+15
R127
2KR126
3
1.00K 1%
Q2
2N4125
1
H7
RC321203
1
2
3
4
5
6
7
8
9
10
H7A
RCH321221
H9
RC321203
1
2
3
4
5
6
7
8
9
10
H9A
RCH321221
R89
3.01K 1%
R76
3.01K 1%
R63
3.01K 1%
R90
3.01K 1%
R77
3.01K 1%
R64
3.01K 1%
R91
3.01K 1%
R78
3.01K 1%
R96
3.01K 1%
R83
3.01K 1%
R70
3.01K 1%
R84
3.01K 1%
R71
3.01K 1%
R72
3.01K 1%
R73
3.01K 1%
R86
3.01K 1%
P32
100K401002
123
P33
123
P34
123
P35
123
P36
123
P37
123
P38
123
P39
123
P48
100K401002
123
P49
123
P50
123
P51
123
P52
123
P53
123
P54
123
P55
123
R158
3.01K 1%
R156
3.01K 1%
R154
3.01K 1%
R151
3.01K 1%
R148
3.01K 1%
R146
3.01K 1%
R144
3.01K 1%
R142
3.01K 1%
R94
3.01K 1%
R81
3.01K 1%
R97
3.01K 1%
R85
3.01K 1%
R98
3.01K 1%
R132
3.01K 1%
R135
3.01K 1%
R138
3.01K 1%
H8
RC321203
1
2
3
4
5
6
7
8
9
10
H8A
RCH321221
H10
RC321203
1
2
3
4
5
6
7
8
9
10
H10A
RCH321221
P40
100K401002
123
P41
123
P42
123
P43
123
P44
123
P45
123
P46
123
P47
123
P56
100K401002
123
P57
123
P58
123
P59
123
P60
123
P61
123
P62
123
R137
3.01K 1%
R134
3.01K 1%
R131
3.01K 1%
R130
3.01K 1%
R129
3.01K 1%
R123
3.01K 1%
R120
3.01K 1%
R118
3.01K 1%
R143
3.01K 1%
R145
3.01K 1%
R147
3.01K 1%
R149
3.01K 1%
R152
3.01K 1%
R155
3.01K 1%
R157
3.01K 1%
1 2
R65
3.01K 1%
R92
3.01K 1%
R93
3.01K 1%
R104
3.01K 1%
R106
3.01K 1%
R110
3.01K 1%
R114
3.01K 1%
R116
3.01K 1%
R99
3.01K 1%
R100
3.01K 1%
R101
3.01K 1%
R88
3.01K 1%
R75
3.01K 1%
R102
3.01K 1%
R103
3.01K 1%
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L SLIDER BOARD 80-3236
Size Document Number Rev
053236A2.001 A2
B
Friday, October 15, 1999
Date: Sheet of
H1
RC321204
RCH321221
+15 -15
1
2
3
4
5
6
7
8
9
10
H1A
+15 +15 +15
BP6
.047MM3
BP4
.047MM3
EQ2 OUT
EQ2 IN
BP5
.047MM3
BP3
.047MM3
CHANNEL 2
SLIDER BOOST
SLIDER CUT
R38
100K 1%
R24
100K 1%
BP2
.047MM3
-15-15-15
BP1
.047MM3
R41
100K 1%
2
3
-15
R31
100K 1%
6
5
-15
3
12
3
LM339
LM339
12
LM339
LM339
LM339
LM339
LM339
LM339
1
2
13
14
1
2
13
14
3 dB
D13
LEDR702037
6 dB
D12
LEDY702039
12 dB
D10
LEDG702038
18 dB
D8
LEDG702038
24 dB
D7
LEDG702038
30 dB
D4
LEDG702038
36 dB
D3
LEDG702038
42 dB
D2
LEDG702038
POWER LED
D1
LEDG702038
+15
R56
D11
1N4148
D9
1N4148
1
U3A
LF353
4
D5
1N4148
+15
8
7
U3B
LF353
+15
D6
1N4148
R26
20K
2
R25
47K
48.7K 1%
R42
26.1K 1%
R53
200
C1
1.5M25T
R43
31.6K 1%
R44
16.2K 1%
R28
8.06K 1%
R11
4.02K 1%
R10
2.00K 1%
R6
1.00K 1%
+15
R27
2K
Q1
2N4125
1.00K 1%
R7
3
1
7
U2B
6
+15
5
U2A
4
11
U2D
10
9
U2C
8
-15
7
U1B
6
+15
5
U1A
4
11
U1D
10
9
U1C
8
-15
HEADROOM METER
H2
RC321204
1
2
3
4
5
6
7
8
9
10
H2A
RCH321221
H3
RC321204
1
2
3
4
5
6
7
8
9
10
H3A
RCH321221
R4
3.01K 1%
R1
3.01K 1%
R2
3.01K 1%
R3
3.01K 1%
R5
3.01K 1%
R8
3.01K 1%
R12
3.01K 1%
R14
3.01K 1%
R87
3.01K 1%
R74
3.01K 1%
R62
3.01K 1%
R60
3.01K 1%
R58
3.01K 1%
R55
3.01K 1%
R52
3.01K 1%
R50
3.01K 1%
P1
100K401002
123
P2
123
P3
123
P4
123
P5
123
P6
123
P7
123
P8
123
P9
100K401002
123
P10
123
P11
123
P12
123
P13
123
P14
123
P15
123
P16
123
R61
3.01K 1%
R59
3.01K 1%
R57
3.01K 1%
R54
3.01K 1%
R51
3.01K 1%
R49
3.01K 1%
R47
3.01K 1%
R45
3.01K 1%
R79
3.01K 1%
R66
3.01K 1%
R80
3.01K 1%
R67
3.01K 1%
R68
3.01K 1%
R95
3.01K 1%
R82
3.01K 1%
R69
3.01K 1%
H4
RC321204
1
2
3
4
5
6
7
8
9
10
H4A
RCH321221
H5
RC321204
1
2
3
4
5
6
7
8
9
10
H5A
RCH321221
P17
100K401002
R48
3.01K 1%
R46
3.01K 1%
R40
3.01K 1%
R37
3.01K 1%
R35
3.01K 1%
R33
3.01K 1%
R30
3.01K 1%
R23
3.01K 1%
R21
3.01K 1%
R19
3.01K 1%
R15
3.01K 1%
R13
3.01K 1%
R9
3.01K 1%
R17
3.01K 1%
R16
3.01K 1%
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 3231L SLIDER BOARD 80-3236
Size Document Number Rev
053236A2.002 A2
B
Friday, October 15, 1999
Date: Sheet of
123
P18
123
P19
123
P20
123
P21
123
P22
123
P23
123
P24
123
P25
100K401002
123
P26
123
P27
123
P28
123
P29
123
P30
123
P31
123
R39
3.01K 1%
R36
3.01K 1%
R34
3.01K 1%
R32
3.01K 1%
R29
3.01K 1%
R22
3.01K 1%
R20
3.01K 1%
R18
3.01K 1%
R121
3.01K 1%
R119
3.01K 1%
R117
3.01K 1%
R115
3.01K 1%
R111
3.01K 1%
R107
3.01K 1%
R105
3.01K 1%
2 2
&l0(s0P(s15H(s8V(s0S&l6D&l66P&l3E&a7L&a120M&l61FDOD Software
053236a2
Page 1
dbx 3231L SLIDER BOARD 80-3236 Revised: July 2, 1998
053236A2.000 Revision: A2
Bill Of Materials July 6, 1998 8:54:36
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
12 BP1,BP2,BP3,BP4,BP5,BP6, .047MM3 62-0067 0.047 uF Cap 50V 20% Axial Monolithic
BP7,BP8,BP9,BP10,BP11,
BP12
2 C1,C2 1.5M25T 62-0164 1.5 uF Cap 25V 20% Tantalum T&R
14 D1,D2,D3,D4,D7,D8,D10, LEDG702038 70-2038 LED Green, .450 Molded Spacer
D14,D15,D16,D18,D20,D22,
D23
8 D5,D6,D9,D11,D17,D19,D21, 1N4148 70-0002 1N4148 Diode Silicon Switching, 75 Volts PIV
D24
2 D12,D25 LEDY702039 70-2039 LED Yellow, .450 Molded Spacer
2 D13,D26 LEDR702037 70-2037 LED Red, .450 Molded Spacer
5 H1,H2,H3,H4,H5 RC321204 32-1204 10 Pin Ribbon Cable, 2mm spacing, 5.00" Length
10 H1A,H2A,H3A,H4A,H5A,H6A, RCH321221 32-1221 10 Pin Ribbon Cable, Holder, 2mm spacing
H7A,H8A,H9A,H10A
5 H6,H7,H8,H9,H10 RC321203 32-1203 10 Pin Ribbon Cable, 2mm spacing, 2.00" Length
62 P1,P2,P3,P4,P5,P6,P7,P8, 100K401002 40-1002 100 K "W" 45mm, Sld Pot, 15mm Shaft, CD
P9,P10,P11,P12,P13,P14,
P15,P16,P17,P18,P19,P20,
P21,P22,P23,P24,P25,P26,
P27,P28,P29,P30,P31,P32,
P33,P34,P35,P36,P37,P38,
P39,P40,P41,P42,P43,P44,
P45,P46,P47,P48,P49,P50,
P51,P52,P53,P54,P55,P56,
P57,P58,P59,P60,P61,P62
1 PCB1 80-3236-A 80-3236-A dbx 3231L SLIDER PCB RAW
2 Q1,Q2 2N4125 70-1008 2N4125 PNP, Gen. Purp. Amplifier/Switching Xstr
124 R1,R2,R3,R4,R5,R8,R9,R12, 3.01K 1% 52-0125 3.01 KOhm Resistor 1% 1/4 Watt Metal Film
R13,R14,R15,R16,R17,R18,
R19,R20,R21,R22,R23,R29,
R30,R32,R33,R34,R35,R36,
R37,R39,R40,R45,R46,R47,
R48,R49,R50,R51,R52,R54,
R55,R57,R58,R59,R60,R61,
R62,R63,R64,R65,R66,R67,
R68,R69,R70,R71,R72,R73,
R74,R75,R76,R77,R78,R79,
R80,R81,R82,R83,R84,R85,
R86,R87,R88,R89,R90,R91,
R92,R93,R94,R95,R96,R97,
R98,R99,R100,R101,R102,
R103,R104,R105,R106,R107,
R110,R111,R114,R115,R116,
R117,R118,R119,R120,R121,
R123,R129,R130,R131,R132,
R134,R135,R137,R138,R142,
R143,R144,R145,R146,R147,
R148,R149,R151,R152,R154,
R155,R156,R157,R158
Page 1
4 R6,R7,R108,R109 1.00K 1% 52-0133 1.00 KOhm Resistor 1% 1/4 Watt Metal Film
053236a2
2 R10,R112 2.00K 1% 52-0186 2.00 KOhm Resistor 1% 1/4 Watt Metal Film
2 R11,R113 4.02K 1% 52-0121 4.02 KOhm Resistor 1% 1/4 Watt Metal Film
DOD Software Page
dbx 3231L SLIDER BOARD 80-3236 Revised: July 2, 1998
053236A2.000 Revision: A2
Bill Of Materials July 6, 1998 8:54:36
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
8 R24,R31,R38,R41,R122, 100K 1% 52-0305 100 KOhm Resistor 1% 1/4 Watt Metal Film
R124,R133,R136
2 R25,R125 47K 50-0030 47 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R26,R126 20K 50-0023 20 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R27,R127 2K 50-0013 2 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R28,R128 8.06K 1% 52-0111 8.06 KOhm Resistor 1% 1/4 Watt Metal Film
2 R42,R139 26.1K 1% 52-0037 26.1 KOhm Resistor 1% 1/4 Watt Metal Film
2 R43,R140 31.6K 1% 52-0077 31.6 KOhm Resistor 1% 1/4 Watt Metal Film
2 R44,R141 16.2K 1% 52-0095 16.2 KOhm Resistor 1% 1/4 Watt Metal Film
2 R53,R150 200 50-0004 200 Ohm Resistor 5% 1/4 Watt Carbon Film
2 R56,R153 48.7K 1% 52-0076 48.7 KOhm Resistor 1% 1/4 Watt Metal Film
4 U1,U2,U4,U5 LM339 72-4053 Quad Comparator
2 U3,U6 LF353 72-4030 LF353 Wide Bandwidth Dual JFET Input Op-Amp
Page 2
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