Page 1
REV
A0 12/4/96
RELEASED FOR PRODUCTION
A1 CHANGE VALUES FOR R118, R119, R122, R273, C66, C68 AND
REPLACE HEADER PA1
A2 CHANGE LED'S TO LED'S THAT HAVE THE SPACER MOLDED TO THE BODY 2338 7-2-98
A3 CHANGE P1&P3 FROM 42-0222 TO 42-0221 338 1-22-99
A4 ADD .1uF CAP (62-0060) ACROSS R273 518 4-16-99
ECN# DATE ECN# DATEDESCRIPTIONREVISIONDESCRIPTION
1662 6/18/97
6-30-99B0 ADD CHANGES FOR SERIES 12 OPTIONAL LOAD AND ADD C109 TO BOARD
|LINK
|055284B0.001
|055284B0.002
|055284B0.003
|055284B0.004
|055284B0.005
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 20 SERIES EQ MAIN/SLIDER BOARD 80-5284
Size Document Number Rev
055284B0.000 B0
B
Friday, October 15, 1999
Date: Sheet of
0 5
Page 2
C77
1M50E1
-15
.1MD3
INPUT
TYPE III
N.R.
BYPASS
LOWCUT
RANGE
C81
BP19
.1MD3
R158
10.0K 1%
R157
560K
24.9K 1%
1
2
3
SW4A
SW440050
1
2
3
SW3A
SW440050
1
2
3
SW2A
SW440050
1
2
3
SW1A
SW440050
+15-15
ENCODE RMS
SYM TRIM
P1
50K420221
-15
R153
R160
OMIT
+15
C88
OMIT
22NPM25E1
C92
BP17
.1MD3
C76
1M50E1
123
4
1
2
8
TYPE III
ENABLE
+15
R162
47K
R161
20
U20
GND
SYM
OUT
IN
CAP
BIAS
V-
V+
1253
R159
22M
INPUT
GAIN
50K402138
R206
15.4K 1%
TYPE_III
TYPE_III
BYPASS
BYPASS
RLY BYPASS
LOWCUT
LOWCUT
+/-6
+/-6
RANGE
RANGE
+/-15
+/-15
V+ V-
BP25
.1MD3
TP1
0-R
3
7
6
5
P4
1
1
1
1
1
1
V+
6
5
4
SW440050
123
H35
TPADA50
H37
TPADA50
H38
TPADA50
H43
TPADA50
H41
TPADA50
H40
TPADA50
R242
47K
3.24K 1%
-15
R154
2.2M
R207
15.4K 1%
C100
15PJD1
R208
2.00M 1% M
6
5
H27
TPADA100
H29
TPADA100
BP26
.1MD3
-15
+15
R216
R248
20.0K 1%
8
1M50E1
1.00K 1%
.047J
7
U23B
NJM4560
RANGE
SW1B
SW440050
R243
47K
C106
R219
C78
R247
100
-15
1
SLIDER_CUT
SLIDER_CUT
1
SLIDER_BOOST
SLIDER_BOOST
D17
R217
12.1K 1%
+15
4
2
3
10.0K 1%
12.4K 1%
C93
.22J
+15
6
5
4
-15
EQ_IN
EQ_IN
U22A
TL074
R218
3
2
R189
220K
4
V-
R205
C94
.22J
R198
18.2K 1%
C87
.1MD3
R170
4.32K 1%
1
U28A
LM393
-22.8mV/dB
R236
330K
R245
3.3K
1
C105
.10J
C95
.22J
R169
1.00K 1%
R171
22.6K 1%
R173
20.0 1%
D11
1N4148
Q3
J112
V+
R199
71.5K 1%
Q4
J112 213
213
1.00K 1%
1N4148
R221
R220
470K
100K 1%
D18
R241
1N4148
213SW4B
Q11
J112
D33
1N4148
R239
22M
V+
8
U28B
2
3
U23A
4
-15
R172
22.6K 1%
2
3
-15
7
NJM4560
C83
25PJD1
4
R244
10.0K 1%
1
R174
4.32K 1%
R175
1.00K 1%
1
U21A
MC33078
5
6
LM393
1M
R240
C90
OMIT
C86
22NPM25E1
C89
OMIT
C85
22NPM25E1
4.99K 1%
R185
4.32K 1%
1.00K 1%
R187
22.6K 1%
R126
10.0K 1%
+15
C108
820PMD1
R188
20.0 1%
R179
R181
46.4K 1%
R186
R197
100K 1%
R196
100K 1%
.10J
6
5
213
R117
10.0K 1%
+15
6
5
C104
+15
8
U24B
NJM4560
6
5
C67
25PJD1
8
NJM4560
Q6
J112
U15B
U22B
-15
4
5
6
LOWCUT
7
7
D10
1N4148
11
+53mV/dB
R180
4.99K 1%
7
TL074
SW2B
SW440050
4.99K 1%
D9
1N4148
C107
22NPM25E1
Q5
J112
C84
25PJD1
6
5
R191
213
R184
22.6K 1%
+15
8
FILTER_DRIVE
R190
4.99K 1%
-15
R210
15.4K 1%
TP3
0-R
R182
1.00K 1%
R183
4.32K 1%
7
U21B
MC33078
C97
.1MD3
R209
49.9 1%
R192
OMIT
R202
4.7K
R193
16.2K 1%
D12
1N4148
9
8
U22C
10
U25
+15
5
D14
1N4148
D16
1N4148
D15
1N4148
3
6247
R201
150K
-15
C102
OMIT
C101
22NPM25E1
TL074
R203
1.74K 1%
R204
49.9 1%
8
1252
50K420221
P3
2.00K 1%
R280
OMIT
ENCODE VCA
SYM TRIM
123
R215
-15
1
-224mV/dB
C91
D13
1N4148
R195
10.0K 1%
-224mV/dB
+15
R214
2M
C103
.1MD3
R212
100K 1%
SW3B
SW440050
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 20 SERIES EQ MAIN BOARD (PCB #1) 80-5284
Size Document Number Rev
055284B0.001 B0
B
Date: Sheet of
470PMD1
10.0K 1%
13
12
ENCODE_CV
ENCODE_CV
C98
50PJD1
R200
15.4K 1%
NJM4560
2
1
U24A
3
4
-15
TP2
0-R
R213
221K 1%
4
5
6
Friday, October 15, 1999
R194
U22D
TL074
2
EQ
BYPASS
14
C99
OMIT
C96
22NPM25E1
CLIP
CLIP
1 3
EQ_OUT
Q7
2N6427
1
ENCODE_CV
EQ_IN
EQ_IN
H46
TPADA100
1 5
Page 3
FILTER_DRIVE
R122
51.1K 1%
3.01K 1%
R111
88.7K 1%
R113
4.99K 1%
R110
69.8K 1%
R112
4.02K 1%
R102
54.9K 1%
R100
3.24K 1%
R119
C109
.1MD3
182K 1%
140K 1%
110K 1%
R272
R271
R268
88.7K 1%
69.8K 1%
54.9K 1%
R84
43.2K 1%
R270
R269
R267
R264
C57
.22J
R99
88.7K 1%
+15
C55
.22J
C53
.22J
C50
.22J
C47
.22J
8
6
5
C51
.22J
R95
69.8K 1%
2
3
C52
.22J
R94
54.9K 1%
2
3
C45
.22J
R82
43.2K 1%
6
5
R105
1.96K 1%
7
U14B
NJM4560
R89
1.96K 1%
1
U14A
NJM4560
4
-15
R139
3.32K 1%
1
U13A
NJM4560
4
-15
+15
8
R131
3.32K 1%
7
U11B
NJM4560
R155
1.37K 1%
C59
.1MD3
R152
1.37K 1%
C49
.1MD3
50 HZ
50 HZ
63 HZ
63 HZ
H30
TPADA100
1
H28
TPADA100
1
H26
TPADA100
1
H25
TPADA100
1
R87
16.9K 1%
R85
1.00K 1%
R74
20.0K 1%
R77
1.18K 1%
R73
16.9K 1%
909 1%
R71
12.4K 1%
R69
750 1%
40.2K 1%
R76
33.2K 1%
34.8K 1%
R266
R265
R263
C48
.22J
R83
34.8K 1%
+15
C46
.22J
C44
.15J
C41
.15J
C39
.15J
C42
.15J
C43
.15J
C37
.15J
6
5
R79
40.2K 1%
2
3
R78
33.2K 1%
2
3
R67
25.5K 1%
6
5
R260
25.5K 1%
8
R130
3.32K 1%
7
U12B
NJM4560
R120
3.32K 1%
1
U12A
NJM4560
4
-15
R116
3.32K 1%
1
U11A
NJM4560
4
-15
+15
8
R109
3.32K 1%
7
U9B
NJM4560
125 HZ
125 HZ
160 HZ
160 HZ
200 HZ
200 HZ
250 HZ
250 HZ
H24
TPADA100
1
H23
TPADA100
1
H22
TPADA100
1
H21
TPADA100
1
FILTER_IN
C68
.47J
R118
102K 1%
+15
C66
.47J
C65
.22J
C62
.22J
C56
.22J
8
6
5
R273
102K 1%
C63
.22J
R115
182K 1%
2
3
C64
.22J
R114
140K 1%
2
3
C54
.22J
R98
110K 1%
6
5
R124
1.96K 1%
7
U16B
NJM4560
R108
1.96K 1%
1
U16A
NJM4560
4
-15
R107
1.96K 1%
1
U15A
NJM4560
4
-15
+15
8
R104
1.96K 1%
7
U13B
NJM4560
-15
BP18
.1MD3
R177
1.37K 1%
C70
.1MD3
R176
1.37K 1%
C61
.1MD3
R167
1.37K 1%
C60
.1MD3
R165
1.37K 1%
C58
.1MD3
-15
BP14
.1MD3
H42
TPADA100
1
20 HZ
20 HZ
H39
TPADA100
1
25 HZ
25 HZ
H36
TPADA100
31.5 HZ 80 HZ
31.5 HZ 80 HZ
1
H33
TPADA100
1
40 HZ 100 HZ
40 HZ 100 HZ
R103
44.2K 1%
R101
2.55K 1%
R91
34.8K 1%
R93
2.00K 1%
R90
27.4K 1%
R92
1.62K 1%
R86
20.0K 1%
1.30K 1%
-15
BP12
.1MD3
BP20
.1MD3
+15+15
BP13
.1MD3
+15
BP11
.1MD3
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 20 SERIES EQ MAIN BOARD (PCB #1) 80-5284
Size Document Number Rev
055284B0.002 B0
B
Friday, October 15, 1999
Date: Sheet of
2 5
Page 4
EQ_OUT
R132
20.0K 1%
D4
1N4148
C75
1M50E1
R141
10.0K 1%
R140
20.0K 1%
+15
R163
100K 1%
9
10
13
12
PEAK LIMITER
THRESHOLD
+15
1
3
-15
191K 1%
ENCODE_CV
+224mv/dB
U17C
TL074
C74
470PMD1
U17D
TL074
P2
50K402138
2
R151
R144
20.0K 1%
R123
10.0K 1%
D1
1N4148
8
CA3046D
R133
14
2.00K 1%
C82
OMIT
R150
100K 1%
D6
1N4148
R281
R164
560K
-15
47K
R146
R149
OMIT
OMIT
13
U18D
12
9
10
+15
BP22
.1MD3
-15
BP21
.1MD3
U19A
2
TL074
R147
47K
D5
1N4148
U18C
C69
470PMD1
6
5
-15
35
31
11
CA3046D
U19B
4
7
U17B
TL074
-224mv/db
R127
10.0K 1%
R142
13.3K 1%
R143
200 1%
-15
2
3
R128
12.1K 1%
+15
4
U17A
R125
10.0K 1%
TL074
1
D2
1N4148
+224mV/dB
R121
2.00K 1%
1LLM50E1
D3
1N4148
C71
1LLM50E1
5
7
R134
10.0K 1%
C72
R129
10.0K 1%
R136
200 1%
Q1
2N4124
R137
30.1K 1%
6
-15
R135
200 1%
U18B
TL074
11
-15
+224mv/dB
TL074
1
H44
TPADA50
1
V+
+224mV/dB
1
(RC1)
PA1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
EQ_OUT
DECODE_VCA_CV
DECODE_VCA_CV
OUTPUT
OUTPUT
RLY BYPASS
-15
+15
VV+
INPUT
H32
TPADA50
1
H31
V-
TPADA50
1
H34
TPADA50
H17
1
TPADA100
G.R.METER
G.R.METER
C73
50PJD1
R138
10.0K 1%
+15
2
3
R148
10.0K 1%
1
4
U18A
H45
TPADA50
C80
OMIT
R156
10.0K 1%
R166
0
14
Q2
2N4125
-15
TL074
D8
1N4148
8
D7
1N4148
R145
1.00K 1%
LEVEL_METER
LEVEL_METER
C79
1M50E1
HDR322000
H47
1
PA1
PCB1
80-5284-B
SC1
SC340125
SC2
SC340125
SC3
SC340125
SC4
SC340125
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 20 SERIES EQ MAIN BOARD (PCB #1) 80-5284
Size Document Number Rev
055284B0.004 B0
B
Friday, October 15, 1999
Date: Sheet of
4 5
Page 5
HA27
TPADB100
HA29
TPADB100
HA42
TPADB100
HA39
TPADB100
HA36
TPADB100
HA33
TPADB100
HA30
TPADB100
HA28
TPADB100
HA26
TPADB100
HA25
TPADB100
HA24
TPADB100
HA23
TPADB100
HA22
TPADB100
HA17
TPADB100
HA32
TPADB50
HA31
TPADB50
HA34
TPADB50
1
1
1
1
1
1
1
1
1
1
1
1
1
1
TPADB50
V+
R223
3.3K
Q8
2N4125
1
1
1
HA35
HA37
TPADB50
V+
V-
HA38
TPADB50
HA43
TPADB50
HA41
TPADB50
HA40
TPADB50
SLIDER_CUT
SLIDER_CUT
SLIDER_BOOST
SLIDER_BOOST
20 HZ
20 HZ
25 HZ
25 HZ
31.5 HZ
31.5 HZ
40 HZ
40 HZ
50 HZ
50 HZ
63 HZ
63 HZ
80 HZ
80 HZ
100 HZ
100 HZ
125 HZ
125 HZ
160 HZ
160 HZ
200 HZ
200 HZ
1
1
BYPASS
BYPASS
1
1
1
1
R282
OMIT
LOWCUT
LOWCUT
+/-6
+/-6
RANGE
RANGE
+/-15
+/-15
V-
D30
LEDY702039
TYPE III
D31
LEDR702037
BYPASS
D24
LEDR702037
LOWCUT
D25
LEDY702039
+/-6
D23
LEDR702037
+/-15
123
P5
100K401002
123
P6
100K401002
123
P7
100K401002
123
P8
100K401002
123
P9
100K401002
123
P10
100K401002
123
P11
100K401002
123
P12
100K401002
123
P13
100K401002
123
P14
100K401002
123
P15
100K401002
HA44
TPADB50
HA45
TPADB50
D29
LEDR702037
D28
LEDY702039
LEVEL
D27
LEDG702038
D26
LEDG702038
V+
R211
3.3K
Q10
2N4125
+18dB
+10dB
0dB
-10dB
HA21
TPADB100
HA20
TPADB100
HA19
TPADB100
HA18
TPADB100
HA16
TPADB100
HA15
TPADB100
HA14
TPADB100
HA13
TPADB100
HA12
TPADB100
HA11
TPADB100
1
G.R.METER
G.R.METER
1
LEVEL_METER
LEVEL_METER
123 P26
P16
V-V+ V+V+
R225
56.2K 1%
R229
4.02K 1%
R228
3.01K 1%
R224
2.00K 1%
R226
1.00K 1%
100K401002
123
P17
100K401002
123
P18
100K401002
123
P19
100K401002
123
P20
100K401002
123
P21
100K401002
123
P22
100K401002
123
P23
100K401002
123
P24
100K401002
123
P25
100K401002
10
11
4
5
6
7
8
9
1
250 HZ
250 HZ
1
315 HZ
315 HZ
1
400 HZ 5 KHZ
400 HZ 5 KHZ
1
500 HZ 6.3 KHZ
500 HZ 6.3 KHZ
1
630 HZ 8 KHZ
630 HZ 8 KHZ
1
800 HZ 10 KHZ
800 HZ 10 KHZ
1
1 KHZ 12.5 KHZ
1 KHZ 12.5 KHZ
1
1.25 KHZ 16 KHZ
1.25 KHZ 16 KHZ
1
1.6 KHZ 20 KHZ
1.6 KHZ 20 KHZ
1
2 KHZ
2 KHZ
3
5
R232
2
U27A
LM339
1
U27B
LM339
14
U27C
LM339
13
U27D
LM339
12
18K
4
R235
15.4K 1%
7
6
R234
6.8K
9
8
R230
2.00K 1%
11
10
R231
1.00K 1%
HA10
TPADB100
HA9
TPADB100
HA8
TPADB100
HA7
TPADB100
HA6
TPADB100
HA5
TPADB100
HA4
TPADB100
HA3
TPADB100
HA2
TPADB100
HA1
TPADB100
3
2
U26A
LM339
1
U26B
LM339
14
U26C
LM339
12
V-V-
13
U26D
LM339
V-V-
D19
LEDR702037
10dB
D20
LEDR702037
6dB
D21
LEDR702037
3dB
D22
LEDR702037
1dB
1
2.5 KHZ
2.5 KHZ
1
3.15 KHZ
3.15 KHZ
1
4 KHZ
4 KHZ
1
1
1
1
1
1
1
GAIN REDUCTION
V+
2N4125
Q9
R227
3.3K
123
100K401002
123
P27
100K401002
123
P28
100K401002
123
P29
100K401002
123
P30
100K401002
123
P31
100K401002
123
P32
100K401002
123
P33
100K401002
123
P34
100K401002
123
P35
100K401002
V+ V-
V+
BP23
.1MD3
D32
LEDR702037
CLIP
R233
2.00K 1%
5 5
BP24
.1MD3
1
HA46
TPADB100
CLIP
CLIP
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
20 SERIES EQ SLIDER BOARD (PCB #2) 80-5284
Size Document Number Rev
055284B0.005 B0
B
Friday, October 15, 1999
Date: Sheet of
Page 6
FILTER_DRIVE
R72
15.4K 1%
R61
16.9K 1%
R63
1.05K 1%
R60
20.0K 1%
1.21K 1%
R57
16.9K 1%
R55
931 1%
R58
16.9K 1%
1.10K 1%
R46
20.0K 1%
1.30K 1%
R45
16.9K 1%
R47
1.00K 1%
R70
909 1%
R62
R56
R48
C34
.068J
35.7K 1%
40.2K 1%
C32
.033J
C38
.10J
C36
.068J
R261
C35
.047J
C33
.047J
R259
C29
.047J
C31
.047J
C30
.033J
C26
.022J
C28
.022J
43.2K 1%
C27
.022J
C25
.022J
34.8K 1%
C40
.10J
R68
30.1K 1%
+15
R257
R255
6
5
R262
30.1K 1%
35.7K 1%
2
3
R64
40.2K 1%
2
3
R52
33.2K 1%
6
5
R256
33.2K 1%
R53
35.7K 1%
6
5
R258
35.7K 1%
R50
43.2K 1%
2
3
R49
34.8K 1%
2
3
8
7
R106
U10B
3.32K 1%
NJM4560
R65
1
R97
U10A
3.32K 1%
NJM4560
4
-15
1
U9A
NJM4560
4
-15
+15
8
7
U7B
NJM4560
+15
8
7
U8B
NJM4560
1
U8A
NJM4560
4
-15
1
U7A
NJM4560
4
-15
R96
3.32K 1%
R88
3.32K 1%
R81
3.32K 1%
R80
3.32K 1%
R75
3.32K 1%
500 HZ
500 HZ
H20
TPADA100
1
315 HZ
315 HZ
H19
TPADA100
1
400 HZ
400 HZ
H18
TPADA100
1
H16
TPADA100
1
630 HZ
630 HZ
H15
TPADA100
1
800 HZ 4 KHZ 16 KHZ
800 HZ 4 KHZ 16 KHZ
H14
TPADA100
1
1 KHZ
1 KHZ
H13
TPADA100
1.25 KHZ
1.25 KHZ
1
+15
-15
R42
20.0K 1%
1.15K 1%
R43
16.9K 1%
R31
12.4K 1%
750 1%
R30
20.0K 1%
1.30K 1%
R28
16.9K 1%
R25
1.05K 1%
R29
20.0K 1%
R26
1.18K 1%
BP15
.1MD3
BP16
.1MD3
931 1%
R40
R41
R33
R32
44.2K 1%
25.5K 1%
+15
-15
C24
.015J
.015J
C19
.0068J
.0068J
R251
C13
C16
.0047J
.0047J
C23
.015J
C22
.015J
C18
C20
.015J
R253
C17
.0068J
C15
.0068J
C14
BP9
.1MD3
BP10
.1MD3
C21
.015J
R250
40.2K 1%
R38
40.2K 1%
6
5
R252
40.2K 1%
R39
31.6K 1%
+15
6
5
R254
31.6K 1%
R36
25.5K 1%
2
3
R35
44.2K 1%
2
3
-15
R23
34.8K 1%
6
5
R246
34.8K 1%
R24
40.2K 1%
6
5
+15
8
-15
4
+15
+15
8
U5B
NJM4560
U6B
NJM4560
U6A
NJM4560
4
U5A
NJM4560
8
U3B
NJM4560
8
U4B
NJM4560
+15
-15
7
1
7
1
7
7
BP7
.1MD3
BP8
.1MD3
C10
.0033J
R21
44.2K 1%
R3
909 1%
R19
R18
R11
R12
44.2K 1%
54.9K 1%
34.0K 1%
40.2K 1%
31.6K 1%
C12
.0033J
R249
C11
.0022J
C9
.0022J
R238
C5
.0022J
C7
.0022J
C8
.0022J
C6
.0022J
R237
C4
.0015J
R222
C1
.0015J
R168
2
3
U4A
NJM4560
4
-15
R20
54.9K 1%
2
3
U3A
NJM4560
4
-15
R9
44.2K 1%
+15
8
6
5
U1B
NJM4560
R178
44.2K 1%
R10
34.0K 1%
+15
8
6
5
U2B
NJM4560
C2
.0015J
R6
40.2K 1%
2
3
U2A
NJM4560
4
-15
C3
.0015J
R5
31.6K 1%
2
3
U1A
NJM4560
4
-15
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
Size Document Number Rev
B
Date: Sheet of
R17
22.6K 1%
H12
TPADA100
1
1.6 KHZ
1.6 KHZ
R66
3.32K 1%
H11
TPADA100
1
2 KHZ
R59
3.32K 1%
R54
3.32K 1%
R51
3.32K 1%
R44
3.32K 1%
R37
3.32K 1%
2 KHZ
H10
TPADA100
1
2.5 KHZ
2.5 KHZ
H9
TPADA100
5 KHZ
5 KHZ
1
H8
TPADA100
1
H7
TPADA100
1
+15
BP3
.1MD3
-15
BP4
.1MD3
3.15 KHZ 12.5 KHZ
3.15 KHZ 12.5 KHZ
+15
BP5
.1MD3
-15
BP6
.1MD3
1.37K 1%
R16
27.4K 1%
1.54K 1%
R13
20.0K 1%
1.21K 1%
R14
16.9K 1%
1.00K 1%
R2
20.0K 1%
R4
1.15K 1%
R1
15.4K 1%
+15
BP1
.1MD3
-15
BP2
.1MD3
H6
8 KHZ
8 KHZ
10 KHZ
10 KHZ
20 KHZ
20 KHZ
TPADA100
1
H5
TPADA100
1
H4
TPADA100
1
H3
TPADA100
1
H2
TPADA100
1
H1
TPADA100
1
3 5
1
1
7
7
1
1
dbx 20 SERIES EQ MAIN BOARD (PCB #1) 80-5284
055284B0.003 B0
Friday, October 15, 1999
R34
3.32K 1%
R27
3.32K 1%
R22
3.32K 1%
R15
3.32K 1%
R8
3.32K 1%
R7
3.32K 1%
6.3 KHZ
6.3 KHZ
Page 7
&l0(s0P(s15H(s8V(s0S&l6D&l66P&l3E&a7L&a120M&l61FDOD Software
055284b0
Page 1
dbx 20 SERIES EQ MAIN/SLIDER BOARD 80-5284 Revised: June 30, 1999
055284B0.000 Revision: B0
Bill Of Materials June 30, 1999 13:54:11
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
37 BP1,BP2,BP3,BP4,BP5,BP6, .1MD3 62-0060 .1 uF Cap 50V 20% Ceramic AXL
BP7,BP8,BP9,BP10,BP11,
BP12,BP13,BP14,BP15,BP16,
BP17,BP18,BP19,BP20,BP21,
BP22,BP23,BP24,BP25,BP26,
C49,C58,C59,C60,C61,C70,
C81,C87,C97,C103,C109
4 C1,C2,C3,C4 .0015J 56-0001 .0015 uF Cap 50V 5% Poly Film 152J ammo
6 C5,C6,C7,C8,C9,C11 .0022J 56-0002 .0022 uF Cap 50V 5% Poly Film 222J ammo
2 C10,C12 .0033J 56-0003 .0033 uF Cap 50V 5% Poly Film 332J ammo
4 C13,C15,C17,C19 .0068J 56-0005 .0068 uF Cap 50V 5% Poly Film 682J ammo
2 C14,C16 .0047J 56-0004 .0047 uF Cap 50V 5% Poly Film 472J ammo
6 C18,C20,C21,C22,C23,C24 .015J 56-0007 .015 uF Cap 50V 5% Poly Film 153J ammo
4 C25,C26,C27,C28 .022J 56-0008 .022 uF Cap 50V 5% Poly Film 223J ammo
5 C29,C31,C33,C35,C78 .047J 56-0010 .047 uF Cap 50V 5% Stacked Metal Pet 473J ammo
2 C30,C32 .033J 56-0009 .033 uF Cap 50V 5% Poly Film 333J ammo
2 C34,C36 .068J 56-0011 .068 uF Cap 50V 5% Stacked Metal Pet 683J ammo
6 C37,C39,C41,C42,C43,C44 .15J 56-0013 .15 uF Cap 50V 5% Stacked Metal Pet 154J ammo
4 C38,C40,C104,C105 .10J 56-0012 .10 uF Cap 50V 5% Stacked Metal Pet 104J ammo
19 C45,C46,C47,C48,C50,C51, .22J 56-0014 .22 uF Cap 50V 5% Stacked Metal Pet 224J ammo
C52,C53,C54,C55,C56,C57,
C62,C63,C64,C65,C93,C94,
C95
2 C66,C68 .47J 56-0016 .47 uF Cap 50V 5% Stacked Metal Pet 474J ammo
3 C67,C83,C84 25PJD1 62-0001 25 pF Cap 50V 5% Ceramic Disc T&R
3 C69,C74,C91 470PMD1 62-0003 470 pF Cap 50V 20% Ceramic Disc T&R
2 C71,C72 1LLM50E1 60-0045-01 1.0 uF Cap 50V 20% Elect., LL T&R
2 C73,C98 50PJD1 62-0008 50 pF Cap 50V 5% Ceramic Disc T&R
5 C75,C76,C77,C79,C106 1M50E1 60-0044-01 1.0 uF Cap 50V -20/+20% Elect., T&R C&F
13 C80,C82,C88,C89,C90,C99, OMIT 00-0000 This part has been omitted
C102,R149,R160,R192,R280,
R281,R282
6 C85,C86,C92,C96,C101, 22NPM25E1 60-0402 22 uF Cap 25V -20/+20% Elect. NP , T&R
C107
1 C100 15PJD1 62-0007 15 pF Cap 50V 5% Ceramic Disc T&R
1 C108 820PMD1 62-0005 820 pF Cap 50V 20% Ceramic Disc T&R
19 D1,D2,D3,D4,D5,D6,D7,D8, 1N4148 70-0002 1N4148 Diode Silicon Switching, 75 Volts PIV
D9,D10,D11,D12,D13,D14,
D15,D16,D17,D18,D33
9 D19,D20,D21,D22,D23,D24, LEDR702037 70-2037 LED Hi-Eff. RED, w/ .450 Molded Spacer
D29,D31,D32
3 D25,D28,D30 LEDY702039 70-2039 LED Yellow, w/ .450 Molded Spacer
2 D26,D27 LEDG702038 70-2038 LED Green, w/ .450 Molded Spacer
35 H1,H2,H3,H4,H5,H6,H7,H8, TPADA100 00-0000 T-Joint 100 Mil Wide pad for board edge, not a part
H9,H10,H11,H12,H13,H14,
H15,H16,H17,H18,H19,H20,
H21,H22,H23,H24,H25,H26,
H27,H28,H29,H30,H33,H36,
H39,H42,H46
Page 1
Page 8
11 H31,H32,H34,H35,H37,H38, TPADA50 00-0000 T-Joint 50 Mil Wide pad for board edge, not a part
055284b0
H40,H41,H43,H44,H45
1 H47 PA1 00-0000 1 Pin Pad Pattern, Not a part
DOD Software Page
dbx 20 SERIES EQ MAIN/SLIDER BOARD 80-5284 Revised: June 30, 1999
055284B0.000 Revision: B0
Bill Of Materials June 30, 1999 13:54:11
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
35 HA1,HA2,HA3,HA4,HA5,HA6, TPADB100 00-0000 T-Joint 100 Mil Wide pad for board edge, not a part
HA7,HA8,HA9,HA10,HA11,
HA12,HA13,HA14,HA15,HA16,
HA17,HA18,HA19,HA20,HA21,
HA22,HA23,HA24,HA25,HA26,
HA27,HA28,HA29,HA30,HA33,
HA36,HA39,HA42,HA46
11 HA31,HA32,HA34,HA35,HA37, TPADB50 00-0000 T-Joint 50 Mil Wide pad for board edge, not a part
HA38,HA40,HA41,HA43,HA44,
HA45
2 P1,P3 50K420221 42-0221 50 K Trim Pot, Vertical Mount, AMMO
2 P2,P4 50K402138 40-2138 50 K "B" 16mm, Rot Pot, 15mm D shaft, 41 Click
31 P5,P6,P7,P8,P9,P10,P11, 100K401002 40-1002 100 K "W" 45mm, Sld Pot, 15mm Shaft, CD
P12,P13,P14,P15,P16,P17,
P18,P19,P20,P21,P22,P23,
P24,P25,P26,P27,P28,P29,
P30,P31,P32,P33,P34,P35
1 PA1 HDR322000 32-2000 26 Pin Hdr, 13x2, 0.1" spacing, 0.025 pins
1 PCB1 80-5284-B 80-5284-B dbx 12/20 SERIES EQ MAIN PCB, RAW
1 Q1 2N4124 70-1009 2N4124 NPN, Gen. Purp. Amplifier/Switching Xstr T&R
4 Q2,Q8,Q9,Q10 2N4125 70-1008 2N4125 PNP, Gen. Purp. Amplifier/Switching Xstr
5 Q3,Q4,Q5,Q6,Q11 J112 70-1012 J112A JFET, National Only
1 Q7 2N6427 70-1150 2N6427 Darlington
7 R1,R72,R200,R206,R207, 15.4K 1% 52-0096 15.4 KOhm Resistor 1% 1/4 Watt Metal Film
R210,R235
13 R2,R13,R29,R30,R42,R46, 20.0K 1% 52-0091 20.0 KOhm Resistor 1% 1/4 Watt Metal Film
R60,R74,R86,R132,R140,
R144,R248
3 R3,R70,R76 909 1% 52-0313 909 Ohm Resistor 1% 1/4 Watt Metal Film
2 R4,R40 1.15K 1% 52-2024 1.15 KOhm Resistor 1% 1/4 Watt Metal Film
4 R5,R39,R168,R254 31.6K 1% 52-0077 31.6 KOhm Resistor 1% 1/4 Watt Metal Film
10 R6,R24,R38,R64,R79,R222, 40.2K 1% 52-0078 40.2 KOhm Resistor 1% 1/4 Watt Metal Film
R250,R252,R259,R265
25 R7,R8,R15,R22,R27,R34, 3.32K 1% 52-0174 3.32 KOhm Resistor 1% 1/4 Watt Metal Film
R37,R44,R51,R54,R59,R66,
R75,R80,R81,R88,R96,R97,
R106,R109,R116,R120,R130,
R131,R139
7 R9,R21,R35,R103,R178, 44.2K 1% 52-0024 44.2 KOhm Resistor 1% 1/4 Watt Metal Film
R249,R251
2 R10,R237 34.0K 1% 52-0081 34.0 KOhm Resistor 1% 1/4 Watt Metal Film
2 R11,R62 1.21K 1% 52-0202 1.21 KOhm Resistor 1% 1/4 Watt Metal Film
12 R12,R47,R85,R145,R169, 1.00K 1% 52-0133 1.00 KOhm Resistor 1% 1/4 Watt Metal Film
R175,R182,R186,R219,R226,
R231,R241
9 R14,R28,R43,R45,R57,R58, 16.9K 1% 52-0048 16.9 KOhm Resistor 1% 1/4 Watt Metal Film
R61,R73,R87
Page 2
Page 9
2 R16,R90 27.4K 1% 52-0085 27.4 KOhm Resistor 1% 1/4 Watt Metal Film
055284b0
5 R17,R171,R172,R184,R187 22.6K 1% 52-0088 22.6 KOhm Resistor 1% 1/4 Watt Metal Film
1 R18 1.54K 1% 52-0143 1.54 KOhm Resistor 1% 1/4 Watt Metal Film
7 R19,R152,R155,R165,R167, 1.37K 1% 52-0130 1.37 KOhm Resistor 1% 1/4 Watt Metal Film
R176,R177
DOD Software Page
dbx 20 SERIES EQ MAIN/SLIDER BOARD 80-5284 Revised: June 30, 1999
055284B0.000 Revision: B0
Bill Of Materials June 30, 1999 13:54:11
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
5 R20,R94,R102,R238,R267 54.9K 1% 52-0075 54.9 KOhm Resistor 1% 1/4 Watt Metal Film
7 R23,R49,R83,R91,R246, 34.8K 1% 52-0031 34.8 KOhm Resistor 1% 1/4 Watt Metal Film
R255,R266
2 R25,R63 1.05K 1% 52-0207 1.05 KOhm Resistor 1% 1/4 Watt Metal Film
2 R26,R77 1.18K 1% 52-0134 1.18 KOhm Resistor 1% 1/4 Watt Metal Film
3 R31,R71,R205 12.4K 1% 52-0102 12.4 KOhm Resistor 1% 1/4 Watt Metal Film
3 R32,R48,R84 1.30K 1% 52-2028 1.30 KOHM Resistor 1% 1/4 Watt Metal Film
2 R33,R69 750 1% 52-0321 750 Ohm Resistor 1% 1/4 Watt Metal Film
4 R36,R67,R253,R260 25.5K 1% 52-0038 25.5 KOhm Resistor 1% 1/4 Watt Metal Film
2 R41,R55 931 1% 52-2018 931 Ohm Resistor 1% 1/4 Watt Metal Film
4 R50,R82,R257,R264 43.2K 1% 52-0025 43.2 KOhm Resistor 1% 1/4 Watt Metal Film
4 R52,R78,R256,R263 33.2K 1% 52-0082 33.2 KOhm Resistor 1% 1/4 Watt Metal Film
4 R53,R65,R258,R261 35.7K 1% 52-2157 35.7 KOhm Resistor 1% 1/4 Watt Metal Film
1 R56 1.10K 1% 52-0205 1.10 KOhm Resistor 1% 1/4 Watt Metal Film
3 R68,R137,R262 30.1K 1% 52-0083 30.1 KOhm Resistor 1% 1/4 Watt Metal Film
6 R89,R104,R105,R107,R108, 1.96K 1% 52-0142 1.96 KOhm Resistor 1% 1/4 Watt Metal Film
R124
1 R92 1.62K 1% 52-0131 1.62 KOhm Resistor 1% 1/4 Watt Metal Film
7 R93,R121,R133,R215,R224, 2.00K 1% 52-0186 2.00 KOhm Resistor 1% 1/4 Watt Metal Film
R230,R233
3 R95,R110,R269 69.8K 1% 52-0012 69.8 KOhm Resistor 1% 1/4 Watt Metal Film
2 R98,R268 110K 1% 52-0301 110 KOhm Resistor 1% 1/4 Watt Metal Film
3 R99,R111,R270 88.7K 1% 52-0003 88.7 KOhm Resistor 1% 1/4 Watt Metal Film
2 R100,R216 3.24K 1% 52-0124 3.24 KOhm Resistor 1% 1/4 Watt Metal Film
1 R101 2.55K 1% 52-0140 2.55 KOhm Resistor 1% 1/4 Watt Metal Film
2 R112,R229 4.02K 1% 52-0121 4.02 KOhm Resistor 1% 1/4 Watt Metal Film
5 R113,R179,R180,R190,R191 4.99K 1% 52-0165 4.99 KOhm Resistor 1% 1/4 Watt Metal Film
2 R114,R271 140K 1% 52-0291 140 KOhm Resistor 1% 1/4 Watt Metal Film
2 R115,R272 182K 1% 52-0280 182 KOhm Resistor 1% 1/4 Watt Metal Film
16 R117,R123,R125,R126,R127, 10.0K 1% 52-0107 10.0 KOhm Resistor 1% 1/4 Watt Metal Film
R129,R134,R138,R141,R148,
R156,R158,R194,R195,R218,
R244
2 R118,R273 102K 1% 52-0304 102 KOhm Resistor 1% 1/4 Watt Metal Film
2 R119,R228 3.01K 1% 52-0125 3.01 KOhm Resistor 1% 1/4 Watt Metal Film
1 R122 51.1K 1% 52-0019 51.1 KOhm Resistor 1% 1/4 Watt Metal Film
2 R128,R217 12.1K 1% 52-0103 12.1 KOhm Resistor 1% 1/4 Watt Metal Film
3 R135,R136,R143 200 1% 52-0376 200 Ohm Resistor 1% 1/4 Watt Metal Film
1 R142 13.3K 1% 52-0053 13.3 KOhm Resistor 1% 1/4 Watt Metal Film
5 R146,R147,R162,R242,R243 47K 50-0030 47 KOhm Resistor 5% 1/4 Watt Carbon Film
6 R150,R163,R196,R197,R212, 100K 1% 52-0305 100 KOhm Resistor 1% 1/4 Watt Metal Film
R220
1 R151 191K 1% 52-0278 191 KOhm Resistor 1% 1/4 Watt Metal Film
1 R153 24.9K 1% 52-0039 24.9 KOhm Resistor 1% 1/4 Watt Metal Film
1 R154 2.2M 50-0282 2.2 MOhm Resistor 5% 1/4 Watt Carbon Film
Page 3
Page 10
2 R157,R164 560K 50-0269 560 KOhm Resistor 5% 1/4 Watt Carbon Film
055284b0
2 R159,R239 22M 50-0307 22 MOhm Resistor 5% 1/4 Watt Carbon Film
1 R161 20 50-0157 20 Ohm Resistor 5% 1/4 Watt Carbon Film
1 R166 0 50-0050 0 Ohm Resistor 5% 1/4 Watt Carbon Film
4 R170,R174,R183,R185 4.32K 1% 52-0167 4.32 KOhm Resistor 1% 1/4 Watt Metal Film
2 R173,R188 20.0 1% 52-2000 20.0 Ohm Resistor 1% 1/4 Watt Metal Film
1 R181 46.4K 1% 52-0022 46.4 KOhm Resistor 1% 1/4 Watt Metal Film
DOD Software Page
dbx 20 SERIES EQ MAIN/SLIDER BOARD 80-5284 Revised: June 30, 1999
055284B0.000 Revision: B0
Bill Of Materials June 30, 1999 13:54:11
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
1 R189 220K 50-0040 220 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R193 16.2K 1% 52-0095 16.2 KOhm Resistor 1% 1/4 Watt Metal Film
1 R198 18.2K 1% 52-0093 18.2 KOhm Resistor 1% 1/4 Watt Metal Film
1 R199 71.5K 1% 52-0011 71.5 KOhm Resistor 1% 1/4 Watt Metal Film
1 R201 150K 50-0038 150 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R202 4.7K 50-0015 4.7 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R203 1.74K 1% 52-0190 1.74 KOhm Resistor 1% 1/4 Watt Metal Film
2 R204,R209 49.9 1% 52-2006 49.9 Ohm Resistor 1% 1/4 Watt Metal Film
1 R208 2.00M 1% M 52-1787 2.00 MOhm Resistor 1% 1/8 Watt Metal Film Mini
4 R211,R223,R227,R245 3.3K 50-0014 3.3 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R213 221K 1% 52-0272 221 KOhm Resistor 1% 1/4 Watt Metal Film
1 R214 2M 50-0046 2 MOhm Resistor 5% 1/4 Watt Carbon Film
1 R221 470K 50-0042 470 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R225 56.2K 1% 52-0065 56.2 KOhm Resistor 1% 1/4 Watt Metal Film
1 R232 18K 50-0022 18 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R234 6.8K 50-0016 6.8 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R236 330K 50-0041 330 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R240 1M 50-0045 1 MOhm Resistor 5% 1/4 Watt Carbon Film
1 R247 100 50-0003 100 Ohm Resistor 5% 1/4 Watt Carbon 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 TP1,TP2,TP3 0-R 50-0317 0 Ohm Resistor 5% 1/4 Watt Carbon Film Radial T&R
18 U1,U2,U3,U4,U5,U6,U7,U8, NJM4560 72-4059 NJM4560 Dual Op-Amp
U9,U10,U11,U12,U13,U14,
U15,U16,U23,U24
3 U17,U18,U22 TL074 72-4021 Quad JFet-Input Op-Amp
1 U19 CA3046D 72-4321 CA3046 Matched Transister Pairs BPO
1 U20 1253 72-4067 RMS Detector,dbx UPC1253HA2 NEC
1 U21 MC33078 72-4248 Dual OP-AMP
1 U25 1252 72-4062 VCA, dbx UPC1252HA2 NEC Ungraded
2 U26,U27 LM339 72-4053 Quad Comparator
1 U28 LM393 72-4049 LM393 Low Power, Low Offset Voltage, Dual Comparat
Page 4
Page 11
REV
A0
A1 Change P1 from 42-0222 to 42-0221 336 1.22.99
B0 RELEASE FOR PRODUCTION ADDED AN OPTIONAL LOAD FOR THE 12 SERIES EQ 7-1-99
ECN# DATE ECN# DATEDESCRIPTIONREVISIONDESCRIPTION
2.19.97RELEASE FOR PRODUCTION
|LINK
|055294B0.001
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 20 SERIES EQ JACK BOARD 80-5294
Size Document Number Rev
055294B0.000 B0
B
Monday, October 25, 1999
Date: Sheet of
0 1
Page 12
INPUTS
1
WA2
WA280187
2
OUTPUTS
H5C
HDR321080
H5B
HDR321080
H5A
HDR321080
C15
10PJD
R12
C11
.1MD3
R10
49.9 1%
C4
1000S35E
C5
1000S35E
+15
-15
4.7K
BP2
.1MD3
BP1
.1MD3
20.0K 1%
+15
8
6
7
U4B
5
NE5532
R15
20.0K 1%
R26
6.04K 1%
+15
8
R25
TP1
0-R
HS2
HS704205
C2
10ME1
C8
10ME1
10.0K 1%
2.67K 1%
R18
3.16K 1%
10.0K 1%
HS3
HS704204
HS1
INS704209
6
5
R24
NE5532
3
2
-15
R27
5.76K 1%
C20
10PJD
R28
V+
-15
V-
R6
1.74K 1%
R11
R36
0
123
P1
50K420221
C14
50PJD1
2
3
OUTPUT VCA
SYM TRIM
+15
+15
C1
.1MD3
C7
.1MD3
-15
15.4K 1%
NE5532
U4A
4
-15
1
D1
1N4001
D6
1N4001
1
2
3
4
+15
R9
R5
49.9 1%
3
5
1
8
U3
1252
6247
R3
150K
-15
U1
7815-H
1
3
I
O
G
2
1
G
2
3
I
O
U2
7915-H
+15
BP4
.1MD3
-15
BP3
.1MD3
U5B
R22
3.16K 1%
U5A
4
SR4
SR280058
SR3
SR280058
7
NE5532
R30
4.53K 1%
R21
3.24K 1%
R20
4.53K 1%
1
R19
60.4 1%
+RAW
-RAW
R23
60.4 1%
+15
-15
-15
-15
-15
-15
+15
+15
+15
+15+15
SR2
SR280059
SR1
SR280059
560K
V+
R2
R7
OMIT
R29
V+
V-
10
11
12
13
14
PCB1
80-5294-B
1M
1N4148
C21
47ME1
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
2N4125
D7
H2
PA2X7
H3
HDR321182
C22
.1MD3
Q1
R8
47K
2N4124
K1A
RLY725142
D8
1N4004
R1
1K
Q2
IN+
IN+
6
4
8
R31
OMIT
0
11
13
9
R32
OMIT
0
IN-
IN-
1
1
16
K1C
V-
OUT-
OUT-
470PMD1
OUT+
OUT+
B1
1
2
3
4
OMIT
BAR322075
H4
1
PA1
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
Size Document Number Rev
B
Date: Sheet of
INPUT
INPUT
EQ_OUT
EQ_OUT
DECODE_VCA_CV
DECODE_VCA_CV
OUTPUT
OUTPUT
K1B
C10
dbx 20 SERIES EQ JACK BOARD 80-5294
055294B0.001 B0
Monday, October 25, 1999
-15
-15
-15
-15
+15
+15
+15
+15
V-
VV+
V+
C9
470PMD1
RC1
RC380176B
J1
J320204
1 2
4
3
J2
2
J320119
5
4
1
H1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
PA13X2
OUTPUT
3
6
WA1
WA280187
1
2
1 1
J4
J320206
12
4
3
J3
J320119
3
6
B1
1
2
3
4
5
6
BAR320301
3
C3
2
1
.1MD3
C6
.1MD3
R14
100 1%
C17
820PMD1
R13
100 1%
C18
820PMD1
1
4
5
2
R33
0
R34
0
OUT-
OUTOUT+
OUT+
D2
1N4001
D4
D5
1N4001
1N4001
C13
22NPM25E1
D3
1N4001
R16
20.0K 1%
R17
20.0K 1%
C16
10PJD
IN+
IN+
IN-
IN-
-15
R4
15.4K 1%
R35
OMIT
+RAW
-RAW
Page 13
&l0(s0P(s15H(s8V(s0S&l6D&l66P&l3E&a7L&a120M&l61FDOD Software
055294b0
Page 1
dbx 20 SERIES EQ JACK BOARD 80-5294 Revised: July 1, 1999
055294B0.000 Revision: B0
Bill Of Materials July 9, 1999 11:08:49
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
5 B1,R7,R31,R32,R35 OMIT 00-0000 This part has been omitted
1 B2 BAR320301 32-0301 6 Position Barrier Strip, PCB Mount
10 BP1,C1,BP2,BP3,C3,BP4,C6, .1MD3 62-0060 .1 uF Cap 50V 20% Ceramic AXL
C7,C11,C22
2 C2,C8 10ME1 60-0049-01 10 uF Cap 16V -20/+20% Elect.,-D Ammo
2 C4,C5 1000S35E 60-0063 1000 uF Cap 35V -20/+80% Elect
2 C9,C10 470PMD1 62-0003 470 pF Cap 50V 20% Ceramic Disc T&R
1 C13 22NPM25E1 60-0402 22 uF Cap 25V -20/+20% Elect. NP , T&R
1 C14 50PJD1 62-0008 50 pF Cap 50V 5% Ceramic Disc T&R
3 C15,C16,C20 10PJD 62-0013 10 pF Cap 50V 5% Ceramic Disc
2 C17,C18 820PMD1 62-0005 820 pF Cap 50V 20% Ceramic Disc T&R
1 C21 47ME1 60-0054-01 47 uF Cap 16V -20/+20% Elect., T&R, 5X8mm body
6 D1,D2,D3,D4,D5,D6 1N4001 70-0001 1N4001 Silicon Rectifier, 1 Amp, 50 Volts PIV
1 D7 1N4148 70-0002 1N4148 Diode Silicon Switching, 75 Volts PIV
1 D8 1N4004 70-0009 1N4004 Rect 1A 400V
1 H1 PA13X2 00-0000 13X2 Pin Pad Pattern, Not a part
1 H2 PA2X7 00-0000 2X7 Pin Pad Pattern, Not a part
1 H3 HDR321182 32-1182 9 Pin Hdr, 5X2, Straight, .23", 0.1" spacing
1 H4 PA1 00-0000 1 Pin Pad Pattern, Not a part
1 H5 HDR321080 32-1080 3 Pin Header, 0.1" spacing, 0.025" sq pins, Locking
1 HS1 INS704209 70-4209 Insulator, 3 Regulator Heatsink
1 HS2 HS704205 70-4205 Heatsink, L-Shape Base
1 HS3 HS704204 70-4204 Heatsink, 3 Regulator, Top
1 J1 J320204 32-0204 XLR Male, R/A PC Mount A Series
2 J2,J3 J320119 32-0119 1/4 Phone Jack, Hor. Mount, Full Nose Thread Slimline
1 J4 J320206 32-0206 XLR Female, R/A PC Mount Latching A Series
1 K1 RLY725142 72-5142 DPDT Relay Switch, 24VDC Polarized
1 P1 50K420221 42-0221 50 K Trim Pot, Vertical Mount, AMMO
1 PCB1 80-5294-B 80-5294-B dbx 12/20 SERIES EQ JACK PCB, RAW
1 Q1 2N4125 70-1008 2N4125 PNP, Gen. Purp. Amplifier/Switching Xstr
1 Q2 2N4124 70-1009 2N4124 NPN, Gen. Purp. Amplifier/Switching Xstr T&R
1 R1 1K 50-0012 1 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R2 1M 50-0045 1 MOhm Resistor 5% 1/4 Watt Carbon Film
1 R3 150K 50-0038 150 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R4,R11 15.4K 1% 52-0096 15.4 KOhm Resistor 1% 1/4 Watt Metal Film
2 R5,R10 49.9 1% 52-2006 49.9 Ohm Resistor 1% 1/4 Watt Metal Film
1 R6 1.74K 1% 52-0190 1.74 KOhm Resistor 1% 1/4 Watt Metal Film
1 R8 47K 50-0030 47 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R9 4.7K 50-0015 4.7 KOhm Resistor 5% 1/4 Watt Carbon Film
4 R12,R15,R16,R17 20.0K 1% 52-0091 20.0 KOhm Resistor 1% 1/4 Watt Metal Film
2 R13,R14 100 1% 52-0400 100 Ohm Resistor 1% 1/4 Watt Metal Film
2 R18,R22 3.16K 1% 52-0132 3.16 KOhm Resistor 1% 1/4 Watt Metal Film
2 R19,R23 60.4 1% 52-0450 60.4 Ohm Resistor 1% 1/4 Watt Metal Film
2 R20,R30 4.53K 1% 52-0119 4.53 KOhm Resistor 1% 1/4 Watt Metal Film
1 R21 3.24K 1% 52-0124 3.24 KOhm Resistor 1% 1/4 Watt Metal Film
1 R24 2.67K 1% 52-0178 2.67 KOhm Resistor 1% 1/4 Watt Metal Film
2 R25,R28 10.0K 1% 52-0107 10.0 KOhm Resistor 1% 1/4 Watt Metal Film
1 R26 6.04K 1% 52-0115 6.04 KOhm Resistor 1% 1/4 Watt Metal Film
1 R27 5.76K 1% 52-0116 5.76 KOhm Resistor 1% 1/4 Watt Metal Film
Page 1
Page 14
1 R29 560K 50-0269 560 KOhm Resistor 5% 1/4 Watt Carbon Film
055294b0
3 R33,R34,R36 0 50-0050 0 Ohm Resistor 5% 1/4 Watt Carbon Film
1 RC1 RC380176B 38-0176-B 26 Pin Ribbon Cable, Connector, 13x2, .1 spacing,
DOD Software Page
dbx 20 SERIES EQ JACK BOARD 80-5294 Revised: July 1, 1999
055294B0.000 Revision: B0
Bill Of Materials July 9, 1999 11:08:49
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
2 SR1,SR2 SR280059 28-0059 Screw, 6-32 x 1/4", Pozi, Pan, Black
2 SR3,SR4 SR280058 28-0058 Screw, 6-32 x 3/8", Pozi, Pan, Black
1 TP1 0-R 50-0317 0 Ohm Resistor 5% 1/4 Watt Carbon Film Radial T&R
1 U1 7815-H 70-4123 7815 +15 Volt 1 A Voltage Regulator TO-220 HORIZ
1 U2 7915-H 70-4124 7915 -15 Volt 1 A Voltage Regulator TO-220 HORIZ
1 U3 1252 72-4062 VCA, dbx UPC1252HA2 NEC Ungraded
2 U4,U5 NE5532 72-4316 5532 Low Noise Dual Op-Amp
2 WA1,WA2 WA280187 28-0187-A Washer, for grounding J320119
Page 2
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