ECN# DATE ECN# DATEDESCRIPTIONREVISIONREVISION DESCRIPTION
A0 NEW SCHEMATIC REV A0 RELEASE TO PRODUCTION 5.1.95---
A1 CHANGE RL10, RL8 TO 1.62K 1% 346 5.9.95
A2 DELETED 70-4130 ADDED 70-4123 1328 1/23/97
A3 CHANGE 44-0026 TO 44-0051, CHANGE 70-1037 TO 70-1004,
A4
CHANGE 70-4131 TO 704124
DELETE 10 JUMPER TEST POINTS, 36-0095 1904 12/14/97
CHANGE PARTS TO AUTO-INSERTION PARTS 56-5054 TO 56-0009
56-3104 TO 56-0014 56-3110 TO 56-0015
56-3109 TO 56-0012 56-5047 TO 56-0006
60-0322 TO 60-0402 60-0318 TO 60-0055
1390 04/10/97
A5 CHANGE 3 PIN HEADER FROM 32-2116 TO 32-1080 116 9/1/98
A6 C801 & C802, USE 60-1026 INSTEAD OF 60-1039 371 3/22/99
A7 ADD TEST POINTS TP1-10 WITH 0 OHM RESISTOR 50-0317
MOVE C753 (60-0402) TO THE 05 LEVEL
MOVE C704L,C704R,C705L AND C705R (62-0041) TO THE 12 LEVEL
1402 9/7/00
|LINK
|056181A7.001
|056181A7.002
|056181A7.003
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 120XP SUBHARMONIC SYNTHESIZER 80-6181
Size Document Number Rev
056181A7.000 A7
B
Wednesday, November 01, 2000
Date: Sheet of
0 3
CHANNEL 1
INPUT
J701L
J323135
3
2
1
220PJ100D
SUBHARMONIC OUT
CHANNEL 2
INPUT
J701R
J323135
3
2
1
220PJ100D
R701L
11.0K 1%
R702L
11.0K 1%
C704L
R701R
11.0K 1%
R702R
11.0K 1%
C704R
C705L
220PJ100D
6
5
R704L
7.50K 1%
C705R
220PJ100D
2
3
R704R
7.50K 1%
R703L
7.50K 1%
+15V
8
7
IC2B
TL072D
R729R
10.0K 1%
R730R
FREQUENCY SYNTHESIS IN
R729L
10.0K 1%
R703R
7.50K 1%
IC2A
TL072D
1
4
-15V
S3A
IC17A
TL072D
-15V
SW440131A
+15V
8
IC17B
TL072D
SW440131A
1
120 Hz
2
3
80 Hz
S1C
SW440131A
1
4
7
R3
10.0K 1%
R4
10.0K 1%
S3C
7
8
9
13
R1
10.0K 1%
R2
10.0K 1%
120 Hz
80 Hz
7
XOVER
8
9
NORM
13
R724L
10.0K 1%
R5
10.0K 1%
+15V+15V
8
6
7
5
R6
10.0K 1%
IC9B
NE5532
S1D
SW440131A
SUBWOOFER
LEVEL
VR710
20K402090
1
2
3
10
XOVER
11
12
NORM
14
R724R
10.0K 1%
+15V
8
IC7B
NE5532
5
7
6
3
2
R7
20K
-15V
3
2
-15V
4
IC9A
NE5532
4
IC7A
NE5532
R725L
931 1%
R726L
2.00K 1%
R10
47
1
R8
3.92K 1%
R9
2.00K 1%
R727R
47
1
R725R
931 1%
R726R
2.00K 1%
R727L
47
OUTPUT
J702L
J323135
2
3
SUBWOOFER
OUTPUT
J703
J323135
2
3
OUTPUT
J702R
J323135
2
3
1
1
1
R714L
C710L
C710R
.033J
SW440131A
169K 1%
S3B
169K 1%
S3D
84.5K 1%
R715L
42.2K 1%
C711L
.033J
R716L
4
5
6
R716R
R714R
84.5K 1%
R715R
42.2K 1%
C711R
.033J
10
11
12
14
2
3
R717L
84.5K 1%
6
5
R717R
84.5K 1%
C706L
33PJ100D
C707L
1J63F
5
2
15.0K 1%
C715R
.22J
C715L
.22J
15.0K 1%
R710L
7.50K 1%
C708L
1J63F
R712L
R710R
7.50K 1%
C708R
1J63F
R712R
+15V
8
6
7
5
IC4B
TL072D
8
6
5
IC12B
TL072D
IC12A
TL072D
2
3
4
-15V
IC4A
TL072D
2
3
4
-15V
.033J
120 Hz
80 Hz
SW440131A
7
1
1
120 Hz
80 Hz
R708L
10.0K 1%
+15V
8
R794R
7.50K 1%
R794L
7.50K 1%
R707R
6
5
R706L
10.0K 1%
C706R
33PJ100D
R708R
10.0K 1%
IC3A
TL072D
2
3
-15V
IC3B
TL072D
4
7
LF BOOST
VR705B
20K402091
4 6
LF BOOST
VR705A
20K402091
1 3
1
C707R
1J63F
R705L
10.0K 1%
R707L
10.0K 1%
BYPASS
S2A
SW440051
1
2
3
C716R
.33J
22K
C716L
.33J
R730L
22K
R706R
10.0K 1%
R705R
10.0K 1%
10.0K 1%
BYPASS
S2B
SW440051
4
5
6
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 120XP SUBHARMONIC SYNTHESIZER 80-6181
Size Document Number Rev
056181A7.001 A7
B
Wednesday, November 01, 2000
Date: Sheet of
1 3
FREQUENCY SYNTHESIS IN
BYPASS
S2D
SW440051
10
11
12
R742
75.0K 1%
60 HZ
4.87K 1%
49.9K 1%
90HZ
3.24K 1%
R743
R757
R756
C724
.10J
C729
.10J
IC11B
TL072D
C723
.10J
TL072D
C730
.10J
TL072D
IC15A
IC18A
+15V
5
6
10.0K 1%
R735
OMIT
R744
150K 1%
2
3
2
3
8
R736
IC16A
TL072D
TP8
0-R
R758
100K 1%
IC14A
TL072D
-15V
-15V
TP7
0-R
R750
4.7K
R763
4.7K
R737
24.3K 1%
+15V
8
7
IC16B
TL072D
7
R739
3.92K 1%
7
2N3904
3
2
Q708
1
R753
100K
+15V
5
6
TP10
0-R
2N3904
3
2
Q709
CR707
1
1N4148
R767
100K
+15V
5
6
C717
.10J
7
1
4
1
4
C726
1J63F
2
3
1J63F
2
3
.010J
.010J
C732
100K
C825
100K
C826
R745
R746
100K
R759
R765
100K
-15V
-15V
47.5K 1%
R751
4.7M
4
R764
4.7M
4
C718
.10J
1
1
R738
6
5
C727
1J63F
100K
6
5
C733
1J63F
R747
100K
R901
22M
R760
R902
22M
6
5
+15V
+15V
IC10B
TL072D
8
IC15B
TL072D
R752
15K
8
IC18B
TL072D
R766
15K
8
8
TP9
0-R
IC14B
TL072D
CR705
1N4148
7
7
30HZ
VR708
20K402090
R755
10.0K 1%
20K402090
45HZ
R769
10.0K 1%
R740
110K 1%
C719
.33J
VR709
-15V
-15V
1
3
1
3
C720
.10J
15.0K 1%
2
R749
4.7K
R754
10.0K 1%
2
R762
4.7K
R768
10.0K 1%
R741
.010J
C721
R803
100K
R804
100K
2
3
CR706
1N4148
6
5
CR708
1N4148
2
3
IC6A
TL072D
-15V
+15V
4
11
10
5
3
4
6
8
9
8
IC10A
TL072D
-15V
1
IC13A
D
CLK
R
S
CD4013
IC6B
TL072D
IC13B
D
CLK
R
S
CD4013
1
4
30Hz LED METER
R748
2.49K 1%
2
Q
1
Q
R761
2.49K 1%
7
2
3
C750
.10J
R798
150K 1%
-15V
4
1
IC8A
TL072D
R799
221K 1%
C752
.10J
R7A1
27.4K 1%
C751
.010J
6
5
+15V
IC8B
TL072D
8
7
20K402090
SUBHARMONIC
LEVEL
VR711
C753
22NPM25E1
1
2
SUBHARMONIC OUT
R7A2
3
100K
45Hz LED METER
2
1
3
IC11A
TL072D
12
Q
13
Q
-15V
4
VSS VDD +15V
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 120XP SUBHARMONIC SYNTHESIZER 80-6181
Size Document Number Rev
056181A7.002 A7
B
Wednesday, November 01, 2000
Date: Sheet of
2 3
30Hz LED METER
45Hz LED METER
C100
1J63F
R104
100K 1%
10.0K 1%
C101
1J63F
R105
100K 1%
10.0K 1%
XOVER
CR1
LEDG702093
POWER
G
R
BYPASS
CR2
LEDB702102
R100
1.05K 1%
R101
R11
4.7K
R12
1.21K 1%
+15V
-15V
11
10
R786
11
10
R102
49.9K 1%
R103
49.9K 1%
+15V
IC1D
LM339D
R8B6
1.00K 1%
TP1
0-R
IC5D
LM339D
S1A
SW440131A
1
2
3
S2C
SW440051
7
8
9
13
13
XOVER
NORM
BYPASS
-15V
C725
1J63F
R8B7
2.00K 1%
R8B8
6.98K 1%
R8B9
15.0K 1%
C731
1J63F
.1MD
C102
+15V
RL7
1.21K 1%
9
14
8
IC1C
LM339D
12
-15V
7
1
6
IC1B
LM339D
+15V
3
5
2
4
IC1A
LM339D
RL8
1.62K 1%
CR10
LEDG702093
CR11
LEDY702092
CR12
LEDR702094
30Hz
TO POWER TRANSFORMER
J1A
1
HDR321080
J1B
2
HDR321080
J1C
3
HDR321080
CR800
BRW02
-15V
+15V
RL9
1.21K 1%
7
1
6
IC5B
LM339D
+15V
3
5
2
4
IC5A
LM339D
9
14
8
IC5C
LM339D
12
-15V
RL10
1.62K 1%
CR13
LEDG702093
CR14
LEDY702092
CR15
LEDR702094
45Hz
-15V
+15V +15V +15V +15V +15V +15V +15V +15V
C805
.1MD
C807
.1MD
C809
.1MD
C811
.1MD
C815
.1MD
C817
.1MD
C819
.1MD
-15V -15V -15V -15V -15V -15V -15V -15V
C820
.1MD
PCB1
80-6181-A
C806
.1MD
C808
.1MD
SC1
SC340125
C810
.1MD
R900
10
C812
.1MD
C816
.1MD
C818
.1MD
HS2
HS704215
TP2
+RAW
-RAW
0-R
C801
1000M50E
C802
1000M50E
TP3
0-R
+RAW
-RAW
1
2
+15V
-15V
IC19
7815-V
I
G
2
1
G
I
IC20
7915-V
HS1
HS704215
O
O
3
3
AUTOMATIC
TEST UNIT
J2
1
2
3
4
5
6
7
8
9
C803
100M25E1
C804
100M25E1
4
2
1
3
TP5
0-R
CR801
1N4004
CR802
1N4004
+15V
TP4
0-R
-15V
TP6
0-R
HDR321182
C823
.1MD
C824
.1MD
dbx Professional Products
8760 South Sandy Parkway
Sandy, Utah 84070
Title
dbx 120XP SUBHARMONIC SYNTHESIZER 80-6181
Size Document Number Rev
056181A7.003 A7
B
Wednesday, November 01, 2000
Date: Sheet of
3 3
&l0(s0P(s15H(s8V(s0S&l6D&l66P&l3E&a7L&a120M&l61FDOD Software
056181a7.pls
Page 1
dbx 120XP SUBHARMONIC SYNTHESIZER 80-6181 Revised: September 7, 2000
056181A7.001 Revision: A7
Bill Of Materials September 13, 2000 9:28:30
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________
12 C100,C101,C707L,C707R, 1J63F 56-5036 1 uF Cap 63V 5% M/Plyes Rad
C708L,C708R,C725,C726,
C727,C731,C732,C733
17 C102,C805,C806,C807,C808, .1MD 62-3068 .1 uF Cap 50V 20% Ceramic Z5U
C809,C810,C811,C812,C815,
C816,C817,C818,C819,C820,
C823,C824
4 C704L,C704R,C705L,C705R 220PJ100D 62-0041 220 pF Cap 100V 5% Ceramic Disc
2 C706L,C706R 33PJ100D 62-0040 33 pF Cap 100V 5% Ceramic Disc
4 C710L,C710R,C711L,C711R .033J 56-0009 .033 uF Cap 50V 5% Poly Film 333J ammo
2 C715L,C715R .22J 56-0014 .22 uF Cap 50V 5% Stacked Metal Pet 224J ammo
3 C716L,C716R,C719 .33J 56-0015 .33 uF Cap 50V 5% Stacked Metal Pet 334J ammo
9 C717,C718,C720,C723,C724, .10J 56-0012 .10 uF Cap 50V 5% Stacked Metal Pet 104J ammo
C729,C730,C750,C752
4 C721,C751,C825,C826 .010J 56-0006 .010 uF Cap 50V 5% Poly Film 103J ammo
1 C753 22NPM25E1 60-0402 22 uF Cap 25V -20/+20% Elect. NP , T&R
2 C801,C802 1000M50E 60-1026 1000 uF Cap 50V -20/+20% Elect Alum Rad
2 C803,C804 100M25E1 60-0055 100 uF Cap 25V -20/+20% Elect-D T&R
3 CR1,CR10,CR13 LEDG702093 70-2093 Green Light Emitting Diode, T1
1 CR2 LEDB702102 70-2102 Red/Grn Light Emitting Diode, T1 C/B0.1
2 CR11,CR14 LEDY702092 70-2092 Yellow Light Emitting Diode, T1
2 CR12,CR15 LEDR702094 70-2094 Red Light Emitting Diode, T1
4 CR705,CR706,CR707,CR708 1N4148 70-0002 1N4148 Diode Silicon Switching, 75 Volts PIV
1 CR800 BRW02 70-0166 Bridge Rectifer
2 CR801,CR802 1N4004 70-0009 1N4004 Rect 1A 400V
2 HS1,HS2 HS704215 70-4215 Heatsink, PCB Mount, Vert., for TO-220
2 IC1,IC5 LM339D 72-4306 LM339 Quad Comparator
13 IC2,IC3,IC4,IC6,IC8,IC10, TL072D 72-4315 TL072 Dual JFet-Input Op-Amp
IC11,IC12,IC14,IC15,IC16,
IC17,IC18
2 IC7,IC9 NE5532 72-4316 5532 Low Noise Dual Op-Amp
1 IC13 CD4013 72-4324 CD4013 Dual D Flip-Flop
1 IC19 7815-V 70-4123 7815 +15 Volt 1 A Voltage Regulator TO-220 VERT
1 IC20 7915-V 70-4124 7915 -15 Volt 1 A Voltage Regulator TO-220 VERT
1 J1 HDR321080 32-1080 3 Pin Header, 0.1" spacing, 0.025" sq pins, Locking
1 J2 HDR321182 32-1182 9 Pin Hdr, 5X2, Straight, .23", 0.1" spacing
5 J701L,J701R,J702L,J702R, J323135 32-3135 Jack, 1/4" Phone, PC Mount, Hor., Non-shorting
J703
1 PCB1 80-6181-A 80-6181-A dbx 120XP MAIN PCB, RAW
2 Q708,Q709 2N3904 70-1004 2N3904 NPN, Gen. Purp. Amplifier/Switching Transistor
25 R1,R2,R3,R4,R5,R6,R100, 10.0K 1% 52-0107 10.0 KOhm Resistor 1% 1/4 Watt Metal Film
R101,R705L,R705R,R706L,
R706R,R707L,R707R,R708L,
R708R,R724L,R724R,R729L,
R729R,R736,R754,R755,
R768,R769
1 R7 20K 50-0023 20 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R8,R739 3.92K 1% 52-2059 3.92 KOhm Resistor 1% 1/4 Watt Metal Film
4 R9,R8B7,R726L,R726R 2.00K 1% 52-0186 2.00 KOhm Resistor 1% 1/4 Watt Metal Film
3 R10,R727L,R727R 47 50-0166 47 Ohm Resistor 5% 1/4 Watt Carbon Film
5 R11,R749,R750,R762,R763 4.7K 50-0015 4.7 KOhm Resistor 5% 1/4 Watt Carbon Film
3 R102,R103,R756 49.9K 1% 52-0020 49.9 KOhm Resistor 1% 1/4 Watt Metal Film
DOD Software Page
dbx 120XP SUBHARMONIC SYNTHESIZER 80-6181 Revised: September 7, 2000
056181A7.001 Revision: A7
Bill Of Materials September 13, 2000 9:28:30
Quan Reference Part SYMAN Description
056181a7.pls
_______________________________________________________________________________________________________________
3 R104,R105,R758 100K 1% 52-0305 100 KOhm Resistor 1% 1/4 Watt Metal Film
4 R701L,R701R,R702L,R702R 11.0K 1% 52-0105 11.0 KOhm Resistor 1% 1/4 Watt Metal Film
8 R703L,R703R,R704L,R704R, 7.50K 1% 52-2090 7.50 KOhm Resistor 1% 1/4 Watt Metal Film
R710L,R710R,R794L,R794R
4 R714L,R714R,R717L,R717R 84.5K 1% 52-0005 84.5 KOhm Resistor 1% 1/4 Watt Metal Film
2 R715L,R715R 42.2K 1% 52-0026 42.2 KOhm Resistor 1% 1/4 Watt Metal Film
2 R716L,R716R 169K 1% 52-0283 169 KOhm Resistor 1% 1/4 Watt Metal Film
2 R725L,R725R 931 1% 52-2018 931 Ohm Resistor 1% 1/4 Watt Metal Film
2 R730L,R730R 22K 50-0025 22 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R735 OMIT 00-0000 This part has been omitted
1 R737 24.3K 1% 52-0086 24.3 KOhm Resistor 1% 1/4 Watt Metal Film
1 R738 47.5K 1% 52-2167 47.5 KOhm Resistor 1% 1/4 Watt Metal Film
1 R740 110K 1% 52-0301 110 KOhm Resistor 1% 1/4 Watt Metal Film
1 R742 75.0K 1% 52-0009 75.0 KOhm Resistor 1% 1/4 Watt Metal Film
1 R743 4.87K 1% 52-0137 4.87 KOhm Resistor 1% 1/4 Watt Metal Film
2 R744,R798 150K 1% 52-0288 150 KOhm Resistor 1% 1/4 Watt Metal Film
2 R748,R761 2.49K 1% 52-0141 2.49 KOhm Resistor 1% 1/4 Watt Metal Film
2 R751,R764 4.7M 50-0291 4.7 MOhm Resistor 5% 1/4 Watt Carbon Film
2 R752,R766 15K 50-0019 15 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R757 3.24K 1% 52-0124 3.24 KOhm Resistor 1% 1/4 Watt Metal Film
1 R786 1.05K 1% 52-0207 1.05 KOhm Resistor 1% 1/4 Watt Metal Film
1 R799 221K 1% 52-0272 221 KOhm Resistor 1% 1/4 Watt Metal Film
1 R900 10 50-0001 10 Ohm Resistor 5% 1/4 Watt Carbon Film
2 R901,R902 22M 50-0307 22 MOhm Resistor 5% 1/4 Watt Carbon Film
1 R7A1 27.4K 1% 52-0085 27.4 KOhm Resistor 1% 1/4 Watt Metal Film
11 R7A2,R745,R746,R747,R753, 100K 50-0036 100 KOhm Resistor 5% 1/4 Watt Carbon Film
R759,R760,R765,R767,R803,
R804
1 R8B6 1.00K 1% 52-0133 1.00 KOhm Resistor 1% 1/4 Watt Metal Film
1 R8B8 6.98K 1% 52-2086 6.98 KOhm Resistor 1% 1/4 Watt Metal Film
4 R8B9,R712L,R712R,R741 15.0K 1% 52-0050 15.0 KOhm Resistor 1% 1/4 Watt Metal Film
3 RL7,RL9,R12 1.21K 1% 52-0202 1.21 KOhm Resistor 1% 1/4 Watt Metal Film
2 RL8,RL10 1.62K 1% 52-0131 1.62 KOhm Resistor 1% 1/4 Watt Metal Film
2 S1,S3 SW440131A 44-0131 4PDT Slide Switch, 2MM Actuator, RA
1 S2 SW440051 44-0051 Mini In/Out 4PDT Switch (12 Pin) E-Switch
1 SC1 SC340125 34-0125 Switch Cap, Black
10 TP1,TP2,TP3,TP4,TP5,TP6, 0-R 50-0317 0 Ohm Resistor 5% 1/4 Watt Carbon Film Radial T&R
TP7,TP8,TP9,TP10
1 VR705 20K402091 40-2091 20 K "A" 12mm Rot Pot X2, 20mm Knurled shaft
4 VR708,VR709,VR710,VR711 20K402090 40-2090 20 K "A" 12mm Rot Pot, 20mm Knurled shaft
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