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REVISION

DESCRIPTION

ECN#

DATE

REVISION

DESCRIPTION

ECN#

DATE

A0

BOARD CHANGED TO REV A

---

12.13.94

A1

CHANGE H1, H2, H3, H4, H5 TO (32-1204) 5" RIBBON CABLE

253

3.10.95

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 B Date: Document Number 053236A2.000 Friday, October 15, 1999 Sheet 0 of 2 Rev A2

+15 1 2 3 4 5 6 7 8 9 10 H6 RC321203

-15

EQ1 OUT EQ1 IN

CHANNEL 1

SLIDER BOOST SLIDER CUT

-15 3 dB +15

H6A RCH321221

R136 100K 1% D24 1N4148 R133 100K 1% D21 1N4148 U6A 1 LF353 4 -15 R124 100K 1% D17 1N4148 +15 R122 100K 1% 6 7 5 U6B LF353 D19 1N4148 8 +15 +15 R126 20K 3 2 R127 2K 1 R125 47K

R153 48.7K 1%

D26 LEDR702037 7 6 U5B 1 LM339 +15 3 5 2 4 U5A LM339 12 dB D23 LEDG702038

R139 26.1K 1% R150 200

6 dB D25 LEDY702039

2 3

H7 RC321203 1 2 3 4 5 6 7 8 9 10

R89 3.01K 1%

P32 100K401002 R158 3.01K 1% 1 3 P33 2 1 P34 2 1 P35 2 1 P36 2 1 P37 2 1 P38 2 1 P39 2 1 3 3 3 3 3 3 3 2

R76 3.01K 1%

R156 3.01K 1%

H8 RC321203 1 2 3 4 5 6 7 8 9 10

R65 3.01K 1%

1

P40 100K401002 R137 3.01K 1% 3 P41 2 2

R92 3.01K 1%

1 P42 2 1 P43 2 1 P44 2 1 P45 2 1 P46 2 1 P47 2 1

3

R134 3.01K 1%

C2 1.5M25T

R63 3.01K 1% H7A RCH321221

R154 3.01K 1% H8A RCH321221

R93 3.01K 1%

3

R131 3.01K 1%

R90 3.01K 1%

R151 3.01K 1%

R104 3.01K 1%

3

R130 3.01K 1%

R140 31.6K 1%

11 10 U5D 13 LM339 18 dB D22 LEDG702038 R77 3.01K 1% R148 3.01K 1% R106 3.01K 1% R129 3.01K 1%

3

R141 16.2K 1%

9 14 8 U5C LM339 12 -15 24 dB D20 LEDG702038

R64 3.01K 1%

R146 3.01K 1%

R110 3.01K 1%

3

R123 3.01K 1%

R91 3.01K 1%

R144 3.01K 1%

R114 3.01K 1%

3

R120 3.01K 1%

R128 8.06K 1%

7 6 U4B 1 LM339 +15 30 dB D18 LEDG702038 2 4 U4A LM339 36 dB D16 LEDG702038 H9 RC321203 1 2 3 4 5 6 7 8 9 10

R78 3.01K 1%

R142 3.01K 1% H10 RC321203 1 2 3 4 5 6 7 8 9 10

R116 3.01K 1%

3

R118 3.01K 1%

R113 4.02K 1%

5

R96 3.01K 1%

P48 100K401002 R94 3.01K 1% 1 3 2

P56 100K401002 R99 3.01K 1% 1 P57 2 1 P58 2 1 P59 2 1 P60 2 1 P61 2 1 P62 2 1 3 3 3 3 3 3 3 R143 3.01K 1% 2

3

R112 2.00K 1%

R83 3.01K 1%

P49 2 1 3

R81 3.01K 1%

R100 3.01K 1%

R145 3.01K 1%

11 10 U4D LM339 13 42 dB D15 LEDG702038 H9A RCH321221 R70 3.01K 1% P50 2 1 3 R97 3.01K 1% H10A RCH321221 R88 3.01K 1% 3 R85 3.01K 1% R75 3.01K 1% R71 3.01K 1% P52 2 1 3 R98 3.01K 1% R102 3.01K 1% R132 3.01K 1% R101 3.01K 1% R147 3.01K 1%

R108 1.00K 1% 9 14 8 R109 1.00K 1% U4C LM339 12

POWER LED D14 LEDG702038

R84 3.01K 1%

P51 2 1

R149 3.01K 1%

Q2 2N4125

R152 3.01K 1%

-15

HEADROOM METER R72 3.01K 1% P53 2 1 3

R155 3.01K 1%

PCB1 80-3236-A +15 +15 +15

R103 3.01K 1%

R157 3.01K 1%

BP11 .047MM3

BP12 .047MM3

BP8 .047MM3

R73 3.01K 1%

P54 2 1 3 P55 2 1 3

R135 3.01K 1%

-15 BP10 .047MM3

-15 BP9 .047MM3

-15 BP7 .047MM3

R86 3.01K 1%

R138 3.01K 1%

dbx Professional Products 8760 South Sandy Parkway Sandy, Utah 84070 Title dbx 3231L SLIDER BOARD 80-3236 Size B Date: Document Number 053236A2.001 Friday, October 15, 1999 Sheet 1 of 2 Rev A2

H1 RC321204 1 2 3 4 5 6 7 8 9 10

+15

-15

CHANNEL 2
EQ2 OUT EQ2 IN

SLIDER BOOST SLIDER CUT

-15 3 dB H1A RCH321221 +15 R41 100K 1% D11 1N4148 R38 100K 1% D9 1N4148 U3A 1 LF353 4 -15 R31 100K 1% D5 1N4148 R43 31.6K 1% 11 13 10 U2D LM339 +15 R24 100K 1% 6 7 5 U3B LF353 D6 1N4148 8 R44 16.2K 1% 9 14 8 U2C LM339 12 24 dB D7 LEDG702038 18 dB D8 LEDG702038 +15 9 +15 R27 2K R26 20K 2 R25 47K R7 1.00K 1% 3 8 U1C 14 POWER LED D1 LEDG702038 1 D13 LEDR702037 R56 48.7K 1% R42 26.1K 1% R53 200 +15 3 C1 1.5M25T 5 2 4 U2A LM339 12 dB D10 LEDG702038 7 6 U2B 1 LM339

6 dB D12 LEDY702039

2 3

H2 RC321204 1 2 3 4 5 6 7 8 9 10

R4 3.01K 1%

P1 100K401002 2 1 P2 2 1 P3 2 1 P4 2 1 P5 2 1 P6 2 1 P7 2 1 P8 2 1 3 3 3 3 3 3 3 3

R61 3.01K 1%

R1 3.01K 1%

R59 3.01K 1%

H4 RC321204 1 2 3 4 5 6 7 8 9 10

R48 3.01K 1%

P17 100K401002 2 1 3 P18 2 1 3 P19 2 1 3 P20 2 1 3 P21 2 1 3 P22 2 1 3 P23 2 1 3 P24 2 1 3

R39 3.01K 1%

R46 3.01K 1%

R36 3.01K 1%

H2A RCH321221

R2 3.01K 1%

R57 3.01K 1%

H4A RCH321221

R40 3.01K 1%

R34 3.01K 1%

R3 3.01K 1%

R54 3.01K 1%

R37 3.01K 1%

R32 3.01K 1%

R5 3.01K 1%

R51 3.01K 1%

R35 3.01K 1%

R29 3.01K 1%

R8 3.01K 1%

R49 3.01K 1%

R33 3.01K 1%

R22 3.01K 1%

R12 3.01K 1%

R47 3.01K 1%

R30 3.01K 1%

R20 3.01K 1%

-15 R28 8.06K 1% 7 6 U1B 1 LM339 +15 R11 4.02K 1% 3 5 4 U1A 2 36 dB LM339 R10 2.00K 1% 11 13 10 U1D 42 dB LM339 R6 1.00K 1% D2 LEDG702038 H3A RCH321221 R60 3.01K 1% D3 LEDG702038 LM339 12 30 dB D4 LEDG702038 H3 RC321204 1 2 3 4 5 6 7 8 9 10 R14 3.01K 1%

R45 3.01K 1% H5 RC321204 1 2 3 4 5 6 7 8 9 10

R23 3.01K 1%

R18 3.01K 1%

R87 3.01K 1%

P9 100K401002 2 1 3 P10 2 1 3 P11 2 1 3 P12 2 1 3 P13 2 1 3 P14 2 1 3 P15 2 1 3 P16 2 1 3

R79 3.01K 1%

R21 3.01K 1%

P25 100K401002 2 1 3 P26 2 1 3 P27 2 1 3 P28 2 1 3 P29 2 1 3 P30 2 1 3 P31 2 1 3

R121 3.01K 1%

R74 3.01K 1%

R66 3.01K 1%

R19 3.01K 1%

R119 3.01K 1%

R62 3.01K 1%

R80 3.01K 1% H5A RCH321221 R67 3.01K 1%

R15 3.01K 1%

R117 3.01K 1%

R13 3.01K 1%

R115 3.01K 1%

R58 3.01K 1%

R68 3.01K 1%

R9 3.01K 1%

R111 3.01K 1%

Q1 2N4125

-15

R55 3.01K 1%

R95 3.01K 1%

R17 3.01K 1%

R107 3.01K 1%

HEADROOM METER R52 3.01K 1% R82 3.01K 1% R16 3.01K 1% R105 3.01K 1%

+15

+15

+15

R50 3.01K 1% BP2 .047MM3

R69 3.01K 1%

BP6 .047MM3

BP5 .047MM3

-15

-15

-15 dbx Professional Products

BP4 .047MM3

BP3 .047MM3

BP1 .047MM3

8760 South Sandy Parkway Sandy, Utah 84070 Title dbx 3231L SLIDER BOARD 80-3236 Size B Date: Document Number 053236A2.002 Friday, October 15, 1999 Sheet 2 of 2 Rev A2

053236a2 &l0 (s0P (s15H (s8V (s0S &l6D &l66P &l3E &a7L &a120M &l61FDOD Software 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 2 14 8 2 2 5 10 5 62 BP1,BP2,BP3,BP4,BP5,BP6, BP7,BP8,BP9,BP10,BP11, BP12 C1,C2 D1,D2,D3,D4,D7,D8,D10, D14,D15,D16,D18,D20,D22, D23 D5,D6,D9,D11,D17,D19,D21, D24 D12,D25 D13,D26 H1,H2,H3,H4,H5 H1A,H2A,H3A,H4A,H5A,H6A, H7A,H8A,H9A,H10A H6,H7,H8,H9,H10 P1,P2,P3,P4,P5,P6,P7,P8, 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 PCB1 Q1,Q2 R1,R2,R3,R4,R5,R8,R9,R12, 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 .047MM3 62-0067 0.047 uF Cap 50V 20% Axial Monolithic

1.5M25T 62-0164 LEDG702038 70-2038 1N4148 LEDY702039 LEDR702037 RC321204 RCH321221 70-0002 70-2039 70-2037 32-1204 32-1221

1.5 uF Cap 25V 20% Tantalum T&R LED Green, .450 Molded Spacer 1N4148 Diode Silicon Switching, 75 Volts PIV

LED Yellow, .450 Molded Spacer LED Red, .450 Molded Spacer 10 Pin Ribbon Cable, 2mm spacing, 5.00" Length 10 Pin Ribbon Cable, Holder, 2mm spacing 10 Pin Ribbon Cable, 2mm 100 K "W" 45mm, Sld Pot, spacing, 2.00" Length 15mm Shaft, CD

RC321203 32-1203 100K401002 40-1002

1 2 124

80-3236-A 2N4125 3.01K 1%

80-3236-A 70-1008 52-0125

dbx 3231L SLIDER PCB RAW 2N4125 PNP, Gen. Purp. Amplifier/Switching Xstr 3.01 KOhm Resistor 1% 1/4 Watt Metal Film

Page 1

053236a2 4 R6,R7,R108,R109 1.00K 1% 52-0133 1.00 KOhm Resistor 1% 1/4 Watt Metal Film 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 2 2 2 2 2 2 2 2 2 4 2 R24,R31,R38,R41,R122, R124,R133,R136 R25,R125 R26,R126 R27,R127 R28,R128 R42,R139 R43,R140 R44,R141 R53,R150 R56,R153 U1,U2,U4,U5 U3,U6 100K 1% 47K 20K 2K 8.06K 26.1K 31.6K 16.2K 200 48.7K LM339 LF353 52-0305 50-0030 50-0023 50-0013 52-0111 52-0037 52-0077 52-0095 50-0004 52-0076 72-4053 72-4030 100 KOhm Resistor 1% 1/4 Watt Metal Film

1% 1% 1% 1% 1%

47 KOhm Resistor 5% 1/4 Watt Carbon Film 20 KOhm Resistor 5% 1/4 Watt Carbon Film 2 KOhm Resistor 5% 1/4 Watt Carbon Film 8.06 KOhm Resistor 1% 1/4 Watt Metal Film 26.1 KOhm Resistor 1% 1/4 Watt Metal Film 31.6 KOhm Resistor 1% 1/4 Watt Metal Film 16.2 KOhm Resistor 1% 1/4 Watt Metal Film 200 Ohm Resistor 5% 1/4 Watt Carbon Film 48.7 KOhm Resistor 1% 1/4 Watt Metal Film Quad Comparator LF353 Wide Bandwidth Dual JFET Input Op-Amp

Page 2