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REVISION DESCRIPTION ECO# DATE REVISION DESCRIPTION ECO# DATE


A0 SCHEMATIC CONVERTED FROM DBX FILES 8.10.94


X0 CHANGE Q1 FROM 2SB548 TO 2N4125 8.22.94


X1 CHANGE TO STANDARD DOD PARTS WHERE POSSIBLE 8.24.94


B0 RELEASE TO PRODUCTION PCB CONVERTED TO PROTEL FILES 9.21.94


B1 LED SPACER 28-3435 MOVED TO 05 LEVEL BOM 9 10.18.94




|LINK
|056168B1.001


dbx PROFESSIONAL PRODUCTS

8760 South Sandy Parkway
Sandy, Utah 84070

Title
DBX 902/903/904 LED BOARD 80-6168

Size Document Number Rev
B 056168B1.000 B1

Date: Wednesday, October 20, 1999 Sheet 0 of 1
12 J3AL 12
PA12 J3L
HCN323162 D2
LEDR702098

11 J3AK 11
R7 PA12 J3K
1.00K 1% HCN323162
10
13 10 J3AJ 10
+24V R9 LM339D 11 U3D J3J
PA12
2.00K 1% HCN323162 D3
+24V LEDR702098
D1
1N4148 9 J3AI 9
R4 R17 R26 PA12 J3I
330 10K 10M HCN323162
R5
680 8
2N4125 14 8 J3AH 8
R10 LM339D 9 U3C J3H
PA12
Q1 R6 2.00K 1% HCN323162 D4
4.7K LEDR702098




12
8 -15V
14
R1 9 U1C 7 7
J3AG
1K R18 R27 J3G
PA12
LM339D 10K 10M HCN323162




12
-15V 6
1 6 J3AF 6
R11 LM339D 7 U3B J3F
PA12
R3 2.00K 1% HCN323162 D5
R2 10M LEDR702098
10K
H1E 5
HDR323157 R19 R28 5 J3AE 5
10K 10M PA12 J3E
H1D 4 +15V HCN323162
+24V
HDR323157




3
H1C 3 4
HDR323157 2 4 J3AD 4
LM339D 5 U3A
R12 PA12 J3D
H1B 2 2.00K 1% HCN323162 D6
+15V
HDR323157 LEDR702098

H1A 1
-15V R20 R29
HDR323157 3 J3AC 3 +15V
10K 10M PA12 J3C




3
HCN323162
4
10 2
13 2 2 LM339D 5 U1A
J3AB
R13 LM339D 11 U2D PA12 J3B
4.99K 1% HCN323162 D7
LEDR702098
6
1 J3AA 1 1
R21 R30 LM339D 7 U1B
PA12 J3A
10K 10M HCN323162

8
14 12 J2AL 12
R14 LM339D 9 U2C PA12 J2L
4.99K 1% HCN323162 D8
LEDR702098




12
-15V

11 J2AK 11
R22 R31 PA12 J2K
10K 10M HCN323162

6
1 10 J2AJ 10
R15 LM339D 7 U2B PA12 J2J
10.0K 1% HCN323162 D9
LEDR702098


R23 R32 9 J2AI
10K 10M PA12 9
+15V J2I
HCN323162
3




4 8
2 8 J2AH J2H LS1
R16 LM339D 5 U2A D10
PA12 HCN323162
10.0K 1% LEDR702098 LS283435

+15V PCB1
7 J2AG 7
R24 R33 PA12 J2G 80-6168-B
R8 10K 10M HCN323162
110K 1%
+15V -15V
10
13 6 J2AF 6
C1 C2 R35 LM339D 11 U1D J2F
PA12
10S63E1 10S63E1 150K 1% HCN323162 D11
LEDR702098

dbx PROFESSIONAL PRODUCTS
R25 R34
10K 10M 8760 South Sandy Parkway
5 J2AE 5 Sandy, Utah 84070
-15V
PA12 J2E
HCN323162 Title
dbx 902/903/904 LED BOARD 80-6168

Size Document Number Rev
B 056168B1.001 B1

Date: Wednesday, October 20, 1999 Sheet 1 of 1
5368c1
&l0 (s0P (s15H (s8V (s0S &l6D &l66P &l3E &a7L &a120M &l61FDOD Software
Page 1
G112 Amp. Chorus Revised: June 29, 1998
055368 Revision: C1
Bill Of Materials June 29, 1998 16:12:14
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________

14 C1,C2,C9,C16,C18,C22,C32, 10ME1 60-0049-01 10 uF Cap 16V -20/+20% Elect.,-D Ammo
C33,C39,C40,C59,C115,
C116,C128
3 C3,C117,C118 .033J 56-0009 .033 uF Cap 50V 5% Poly Film 333J ammo
1 C4 .010J 56-0006 .010 uF Cap 50V 5% Poly Film 103J ammo
24 C5,C6,C7,C8,C31,C61,C62, .047MD7 62-3129 .047 uF Cap 50V 20% Cerm, SMT 0805
C63,C64,C65,C66,C78,C89,
C90,C91,C92,C93,C94,C95,
C96,C97,C98,C99,C100
4 C10,C11,C24,C127 .047J 56-0010 .047 uF Cap 50V 5% Stacked Metal Pet 473J ammo
6 C12,C47,C73,C74,C83,C86 220PKD7 62-3138 220 pF Cap 50V 10% Cerm, SMT 0805
1 C13 .0010J 56-0000 .0010 uF Cap 50V 5% Poly Film 102J ammo
7 C19,C20,C102,C103,C104, 47ME1 60-0054-01 47 uF Cap 16V -20/+20% Elect., T&R, 5X8mm body
C111,C114
2 C21,C125 1NPME1 60-0046-01 1.0 uF Cap 16V -20/+20% Elect., N.P. T&R
1 C25 .0082J 56-0030 .0082 uF Cap 50V 5% Poly Film 822J ammo
5 C26,C41,C51,C101,C124 1000PMD7 62-3136 1000 pF Cap 50V 20% Cerm, SMT 0805
10 C27,C45,C52,C60,C69,C71, .10KD7 62-3139 .10 uF Cap 50V 20% Cerm, SMT 0805
C72,C79,C120,C121
3 C28,C29,C30 470PKD7 62-3133 470 pF Cap 50V 10% Cerm, SMT 0805
2 C35,C17 120PJD7 62-3135 120 pF Cap 50V 5% Cerm, SMT 0805
2 C37,C38 10PJD7 62-3140 10 pF Cap 50V 5% Cerm, SMT 0805
1 C42 .033JD7 62-3147 .033 uF Cap 50V 10% Cerm, SMT 0805
2 C44,C119 47PJD7 62-3132 47 pF Cap 50V 5% Cerm, SMT 0805
1 C46 22PJD7 62-3134 22 pF Cap 50V 5% Cerm, SMT 0805
1 C70 22NPM25E1 60-0402 22 uF Cap 25V -20/+20% Elect. NP , T&R
2 C76,C75 .47J 56-0016 .47 uF Cap 50V 5% Stacked Metal Pet 474J ammo
1 C77 22M25E1H 60-0408 22 uF Cap 25V -20/+20% Elect-L
2 C80,C82 .0047J 56-0004 .0047 uF Cap 50V 5% Poly Film 472J ammo
2 C81,C84 .0022J 56-0002 .0022 uF Cap 50V 5% Poly Film 222J ammo
4 C106,C107,C108,C109 2200M35EH 60-0407 2200 uF Cap 35V -20/+20% Elect-L
1 C110 100M25E1 60-0055 100 uF Cap 25V -20/+20% Elect-D T&R
1 C112 4.7ME1 60-0048-01 4.7 uF Cap 16V -20/+20% Elect., T&R
1 C113 1M50E1 60-0044-01 1.0 uF Cap 50V -20/+20% Elect., T&R C&F
2 C123,C122 470PMD1 62-0003 470 pF Cap 50V 20% Ceramic Disc T&R
1 C126 1.5M25T1 62-0164 1.5 uF Cap 25V 20% Tantalum T&R
4 D1,D2,D8,D9 1N914-7 70-0110 1N914 Diode Silicon Switching, 75 Volts PIV, SMT
4 D3,D4,D5,D6 1N5402 70-0100 1N5402 Silicon Rectifier, 3Amp, 200 PIV
1 D7 LEDR701902 70-1902 LED Red, RT. ANGLE, anti-tip housing
2 H1,H2 HDR321102 32-1102 3 Pin Locking Header 0.1" spacing 0.045 pins
5 H3,W5,W6,C15,R52 omit 00-0000 This part has been omitted
4 J1,J4,J5,J7 J320119 32-0119 1/4 Phone Jack, Hor. Mount, Full Nose Thread Slimline
1 J2 J320128 32-0128 RCA Connector, Female, PC Mount, White Insert
1 J3 J320129 32-0129 RCA Connector, Female, PC Mount, Red Insert
1 J6 J320094 32-0094 1/8 Phone Jack, Hor. Mount,Insulated tip
4 L1,L2,L3,L4 FB260217 26-0217 Ferrite Bead, 2.5Kohms @70Mhz, SMT 0805
1 M1 PA1 00-0000 1 Pin Pad Pattern, Not a part
4 P1,P2,P4,P5 10K402036 40-2036 10 K "D" 16mm, Rot Pot, 16MM D Taper horiz mt.
4 P3,P6,P7,P9 100K402012 40-2012 100 K "W" 16mm, Rot Pot, 15mm K Shaft, H. Mount, Center Detent
1 P8 500K402013 40-2013 500 K "C" 16mm, Rot Pot, 15mm K Shaft, H. Mount, Center Detent
5368c1
1 PCB1 80-5368-C 80-5368-C G112 MAIN PCB, RAW
3 Q1,Q2,Q7 2N5088 70-1007 2N5088 NPN, Transistor, T&R
DOD Software Page
G112 Amp. Chorus Revised: June 29, 1998
055368 Revision: C1
Bill Of Materials June 29, 1998 16:12:14
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________

3 Q6,Q8,Q9 2N4124 70-1009 2N4124 NPN, Gen. Purp. Amplifier/Switching Xstr T&R
6 R1,R10,R16,R24,R109,R134 47K-7 50-1502 47 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
19 R2,R5,R6,R21,R89,R90,R92, 10K-7 50-1503 10 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
R93,R102,R104,R105,R107,
R108,R110,R111,R132,R133,
R1000,R1010
3 R3,R8,R34 2K-7 50-1508 2 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
5 R4,R98,R101,R118,R119 33K-7 50-1512 33 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
7 R7,R39,R123,R124,R125, 100K-7 50-1504 100 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
R131,R1011
11 R9,R20,R25,R36,R48,R53, 1K-7 50-1505 1 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
R88,R135,R143,R144,R1007
3 R13,R1004,R1009 0-7 50-1531 0 Ohm Resistor 5% 1/10 Watt TF, SMT 0805
4 R14,R94,R141,R142 10-7 50-1500 10 Ohm Resistor 5% 1/10 Watt TF, SMT 0805
5 R18,R33,R87,R95,R1001 22K-7 50-1522 22 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
1 R19 2.2K 50-0208 2.2 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R22,R42 2.2K-7 50-1529 2.2 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
4 R23,R117,R121,R1005 3.3K-7 50-1525 3.3 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
7 R26,R27,R28,R29,R116, 4.7K-7 50-1509 4.7 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
R122,R126
1 R30 220K-7 50-1514 220 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
1 R37 330-7 50-1517 330 Ohm Resistor 5% 1/10 Watt TF, SMT 0805
3 R54,R57,R128 15K-7 50-1516 15 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
4 R96,R97,R99,R100 20K-7 50-1507 20 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
1 R120 150K-7 50-1526 150 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
1 R127 100-7 50-1515 100 Ohm Resistor 5% 1/10 Watt TF, SMT 0805
1 R129 10.0K 1%-7 52-4500 10.0 KOhm Resistor 1% 1/10 Watt TF, SMT 0805
4 R130,R138,R145,R146 7.5K-7 50-1521 7.5 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
2 R136,R1003 470-7 50-1518 470 Ohm Resistor 5% 1/10 Watt TF, SMT 0805
1 R1006 470K-7 50-1523 470 KOhm Resistor 5% 1/10 Watt TF, SMT 0805
2 R1008,R1002 475K 1% 52-0240 475 KOhm Resistor 1% 1/4 Watt Metal Film
2 SC1,SC2 SC340040 34-0040 Switch Cap, Grey, Cylindrical, PHA Series
2 SW1,SW2 SW440050 44-0050 Mini In/Out DPDT Switch (6 Pin) E-Switch
8 U1,U2,U4,U7,U14,U19,U20, NJM4560/SM 72-4233 NJM4560 Dual Op-Amp, SMT SOIC
U22
1 U3 NJM5532/SM 72-1439 IC, 5532MD, DUAL BIPOLAR OPAMP, SMT-SO8
2 U6,U9 CD4053/SM 72-1422 Triple 2 to 1 Analog Multiplexer, SMT
1 U12 TDA7294 72-5430 TDA7294 60W Amplifier
1 U15 7808 70-4020 7808 +8 Volt 1 Amp Voltage Regulator TO-220
1 U16 7908 70-4015 7908 -8 Volt 1 Amp Voltage Regulator TO-220
1 U17 MN3007 72-3039 Bucket Brigade Delay
1 U18 MN3101 72-3040 Clock Driver
1 U21 LF353/SM 72-4032 LF353M Dual Op-Amp, SMT