DBX 905 EQ schematic 2 of 2电路图.pdf

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1、ECN#DATEECN#DATEDESCRIPTIONREVISIONREVISIONDESCRIPTION |LINK |056174A0.001 |056174A0.002 A0RELEASE TO PRODUCTION4.5.95 Wednesday, October 20, 1999 056174A0.000A0 DBX 905 PCA PARAMETRIC EQ 80-6174 dbx PROFESSIONAL PRODUCTS 8760 South Sandy Parkway Sandy, Utah 84070 B 02 Title SizeDocument NumberRev D

2、ate:Sheet of RadioFans.CN 收音机爱 好者资料库 DUAL FREQ HIGH SHELF HIGH (800-20KHZ) WHITE YELLOW RED OVER LED HIGH SHELF SHELFHIGH LOW SHELF HIGH SHELF IN IN TO OUTPUT MODULE HIGHSHELF HIGH Q NOTCH -/+HIGH NOTCH CAL Wednesday, October 20, 1999 056174A0.001A0 DBX 905 PCA PARAMETRIC EQ 80-6174 dbx PROFESSIONAL

3、 PRODUCTS 8760 South Sandy Parkway Sandy, Utah 84070 B 12 Title SizeDocument NumberRev Date:Sheet of AUDIO IN + AUDIO IN - AUDIO OUT + AUDIO OUT - +15V +15V +15V +15V +15V +15V +15V+15V+15V +15V -15V -15V -15V -15V -15V -15V -15V -15V -15V-15V -24V +24V +15V -15V +15V -15V +15V +15V +15V -15V +24V -

4、24V P1 PA15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 R1 1K C5 1S63E1 C6 1S63E1 OA1 LF351 4 1 5 6 7 2 3 R80 200K 1% OA10 NE5534D 3 2 6 5 1 8 74 C44 1S63E1 S2F SW440147 14 16 18 R84 10K R90 20.0K 1% R93 20.0K 1% R85 200K 1% OA11B NE5532 5 6 7 8 R89 10K OA11A NE5532 3 2 1 4 R95 20.0K 1% OA12B NE5532 5 6 7 8

5、 C34 1S63E1 R96 10K R99 1M R53 2.10K 1% C50 1S63E1 OA12A NE5532 3 2 1 4 C35 1S63E1 R109 90.9K 1% IC3C MC14053 4 3 5 9 IC3A MC14053 15 2 1 10 OA13B NE5532 5 6 7 8 R104 20.0K 1% R106 20.0K 1% R107 20.0K 1% R67 20.0K 1% R103 20.0K 1% C41 1S63E1 R111 10K OA13A NE5532 3 2 1 4 R6 1K R120 10K R119 10K R118

6、 10K R121 10K CR10 1N4148 CR9 1N4148 CR8 1N4148 CR11 1N4148 OA14A LM339D 5 4 2 3 R115 100K 1% OA14C LM339D 9 8 14 12 R123 10K R124 10K R125 10K R122 10K OA14B LM339D 7 6 1 OA14D LM339D 11 10 13 S2D SW440147 8 10 12 C43 22PK1KD R105 10K CR1 1N4004 C3 10S63E1 CR2 1N4004 C4 10S63E1 C46 .001K1KD1 R91A 2

7、0K402105 13 2 C36 4700PH160A R2 10.0K 1% R77 10.0K 1% R78 10.0K 1%R79 10.0K 1% CR3 LEDR702098 CR5 LEDR702098 C2 100PK1KD R82B 50K402104 46 5 R3 7.50K 1% S1A SW440146 1 2 3 S1D SW440146 10 11 12 S1B SW440146 4 5 6 P2 PA1 1 P3 PA1 1 C37 1S63E1 C39 100PK1KD CR6 LEDR702098 C32 1000PF500F C33 1000PF500F

8、R94 20.0K 1% C42 1S63E1 S2C SW440147 2 4 6 S2E SW440147 13 15 17 S3A SW440147 1 3 5 S2A SW440147 1 3 5 C38 100PK1KD R91C 20K402105 78 IC3B MC14053 14 12 13 11 6 7 816 R91B 20K402105 46 5 R108 22.1K 1% R82A 50K402104 13 2 J2 HCN323160 A 1 B 2 C 3 D 4 E 5 F 6 G 7 H 8 I 9 J 10 C1 100PK1KD R5 7.50K 1% R

9、4 10.0K 1% CR14 1N4148 CR13 1N4148 CR15 1N4148 CR12 1N4148 R127 100K 1% C45 1S63E1 R110 50K420281 1 2 3 R19 1.5K R92 1.54K 1% R32 100K R97 100K R98 100K R101 100K R117 100K R114 10M R113 2.2K R116 536K 1% R81 8.25K 1% R83 1.15K 1% R86 8.25K 1% R100 3.57K 1% R88 1.15K 1% R126 100K C40 1S63E1 EQ OUT E

10、Q OUT MID STAGE MID CLIP SENSE AUDIO IN + AUDIO IN - AUDIO OUT + AUDIO OUT - RadioFans.CN 收音机爱 好者资料库 DUAL FREQ SHELF LOW LOW (20 - 500HZ) LOW SHELF LOW SHELF LOW SHELF DUAL FREQ MID (200 - 5KHZ) MID QLOW Q NOTCH -/+ MID NOTCH CAL NOTCH LIN -/+ LOW NOTCH CAL Wednesday, October 20, 1999 056174A0.002A0

11、 DBX 905 PCA PARAMETRIC EQ 80-6174 dbx PROFESSIONAL PRODUCTS 8760 South Sandy Parkway Sandy, Utah 84070 B 22 Title SizeDocument NumberRev Date:Sheet of +15V +15V +15V +15V +15V +15V+15V +15V +15V +15V -15V -15V -15V -15V -15V -15V -15V -15V +15V+15V C18 1S63E1 OA3A NE5532 3 2 1 4 R17 10K R16 10K IC1

12、A MC14053 15 2 1 10 IC1C MC14053 4 3 5 9 R39 22.1K 1% S3F SW440147 14 16 18 R10 232K 1% R11 232K 1% R24 20.0K 1% R25 20.0K 1% C16 1S63E1 R22 20.0K 1% S3C SW440147 2 4 6 R30 2.10K 1% C49 1S63E1 R40 90.9K 1% R33 20.0K 1% R36 20.0K 1% R37 20.0K 1% OA5B NE5532 5 6 7 8 OA5A NE5532 3 2 1 4 R35 10K C14 1S6

13、3E1 R38 10K C48 100PK1KD C15 1S63E1 C9 10S63E1 C12 10S63E1 S3E SW440147 13 15 17 R46 232K 1% R51 232K 1% OA7B NE5532 5 6 7 8 R55 10K OA7A NE5532 3 2 1 4 R50 10K OA6 NE5534D 3 2 6 5 1 8 74 C31 22PK1KD R47 10.0K 1% R56 20.0K 1% R60 20.0K 1% R61 20.0K 1% R62 10K OA8 NE5534D 3 2 6 5 1 8 74 C29 1S63E1 C2

14、6 1S63E1 IC2A MC14053 15 2 1 10 IC2C MC14053 4 3 5 9 R73 22.1K 1% R74 90.9K 1% R68 20.0K 1% R70 20.0K 1% R71 20.0K 1% OA9B NE5532 5 6 7 8 OA9A NE5532 3 2 1 4 C24 100PK1KD R72 10K C27 1S63E1 R34 20.0K 1% R69 10K C22 10S63E1 OA3B NE5532 5 6 7 8 C7 .033JB C8 .033JBC21 3300PH63A OA4B NE5532 5 6 7 8 C10

15、10S63E1 R65 10K R58A 20K402105 13 2 R58C 20K402105 78 R20A 20K402105 13 2 R20C 20K402105 78 IC1B MC14053 14 12 13 11 6 7 816 PCB1 80-6174-A C25 100PK1KD C13 100PK1KD ICS1 DIP16SD ICS2 DIP16SD ICS3 DIP16SD R7 10.0K 1% R9 10.0K 1% R13 10.0K 1% R44 10.0K 1% R45 10.0K 1% R52 10.0K 1% R12 10.0K 1% C11 .1

16、5JB R23 20.0K 1% R48B 50K402104 46 5 R14B 50K402104 46 5 R57 20.0K 1% R43 10.0K 1% S3D SW440147 8 10 12 R14A 50K402104 13 2 C47 22PK1KD C28 1S63E1 R41 50K420281 1 2 3 R20B 20K402105 46 5 OA4A NE5532 3 2 1 4 C20 3300PH63A IC2B MC14053 14 12 13 11 6 7 816 R58B 20K402105 46 5 R75 50K420281 1 2 3 C19 1S

17、63E1 OA2 NE5534D 3 2 6 5 1 8 74 C30 22PK1KD R8 10.0K 1% R54 1.15K 1% R49 1.15K 1% R59 1.54K 1% R15 1.15K 1% R18 1.15K 1% R21 1.54K 1% R26 100K R31 100K R63 100K R64 3.57K 1% R66 100K R29 3.57K 1% R27 100K R28 100K R48A 50K402104 13 2 C17 1S63E1 C23 1S63E1 I1 INS242003 I2 INS242003 I3 INS242003 I4 IN

18、S242003 I5 INS242003 I6 INS242003 MID STAGE EQ OUT MID CLIP SENSE RadioFans.CN 收音机爱 好者资料库 056174a0 ?&l0?(s0P?(s15H?(s8V?(s0S?&l6D?&l66P?&l3E?&a7L?&a120M?&l61FDOD Software Page 1 DBX 905 PCA PARAMETRIC EQ 80-6174 Revised: April 6, 1995 056174A0.000 Revision: A0 Bill Of Materials April 6, 1995 10:05:2

19、5 Quan Reference Part SYMAN Description _ 8 C1,C2,C13,C24,C25,C38, 100PK1KD 62-3040 100 pF Cap 1KV 10% Ceramic Disc C39,C48 6 C3,C4,C9,C10,C12,C22 10S63E1 60-0320 10 uF Cap 63V -20/+80% Alum, Rad T&R 23 C5,C6,C14,C15,C16,C17, 1S63E1 60-0316 1 uF Cap 63V -20/+100% Alum Rad T&R C18,C19,C23,C26,C27,C28

20、, C29,C34,C35,C37,C40,C41, C42,C44,C45,C49,C50 2 C7,C8 .033JB 56-5007 .033 uF Cap 100V 5% M/Plyes Rad 1 C11 .15JB 56-5011 .15 uF Cap 100V 5% M/Plyes Rad 2 C20,C21 3300PH63A 62-3100 3300 pF Cap 63V 2.5% Polyester 4 C30,C31,C43,C47 22PK1KD 62-3034 22 pF Cap 1KV 10% Ceramic Disc 2 C32,C33 1000PF500F 62

21、-3019 1000 pF Cap 500V 1% Mica Film 1 C36 4700PH160A 62-3118 4700 pF Cap 160V 2.5% Ceramic Disc Axial 1 C46 .001K1KD1 62-3051 .001 uF Cap 1KV 10% Ceramic Disc Ammo T&R 2 CR1,CR2 1N4004 70-0009 1N4004 Rect 1A 400V 3 CR3,CR5,CR6 LEDR702098 70-2098 Red Light Emitting Diode, T1 Case 8 CR8,CR9,CR10,CR11,

22、CR12, 1N4148 70-0002 1N4148 Diode Silicon Switching, 75 Volts PIV CR13,CR14,CR15 6 I1,I2,I3,I4,I5,I6 INS242003 24-2003 Heat shrink Tubing, #22 AWG,Black Teflon 3 IC1,IC2,IC3 MC14053 72-4150 MC14053, Analog Multiplexer/switch 3 ICS1,ICS2,ICS3 DIP16SD 70-3047 16 Pin Dip Socket, DBX 1 J2 HCN323160 32-3

23、160 10 Pin conn. 1 OA1 LF351 72-4318 LF351 Wide Bandwidth JFET Input OP-AMP 4 OA2,OA6,OA8,OA10 NE5534D 72-4310 NE5534 Low Noise OP AMP 8 OA3,OA4,OA5,OA7,OA9,OA11, NE5532 72-4316 5532 Low Noise Dual Op-Amp OA12,OA13 1 OA14 LM339D 72-4306 LM339 Quad Comparator 1 P1 PA15 - 15 Pin Pad Pattern, Not a par

24、t 2 P2,P3 PA1 - 1 Pin Pad Pattern, Not a part 1 PCB1 80-6174-A 2 R1,R6 1K 50-0012 1 KOhm Resistor 5% 1/4 Watt Carbon Film 15 R2,R4,R7,R8,R9,R12,R13, 10.0K 1% 52-0107 10.0 KOhm Resistor 1% 1/4 Watt Metal Film R43,R44,R45,R47,R52,R77, R78,R79 2 R3,R5 7.50K 1% 52-2090 7.50 KOhm Resistor 1% 1/4 Watt Met

25、al Film 4 R10,R11,R46,R51 232K 1% 52-2214 232 KOhm Resistor 1% 1/4 Watt Metal Film 3 R14,R48,R82 50K402104 40-2104 50 K 10R16mm Rot Pot X2, 71mm Shaft, Horiz 6 R15,R18,R49,R54,R83,R88 1.15K 1% 52-2024 1.15 KOhm Resistor 1% 1/4 Watt Metal Film 23 R16,R17,R35,R38,R50,R55, 10K 50-0020 10 KOhm Resistor

26、5% 1/4 Watt Carbon Film R62,R65,R69,R72,R84,R89, R96,R105,R111,R118,R119, R120,R121,R122,R123,R124, R125 1 R19 1.5K 50-0204 1.5 KOhm Resistor 5% 1/4 Watt Carbon Film 3 R20,R58,R91 20K402105 40-2105 20 K D 16mm Rot Pot X2, I-84mm,O-71mm Shaft, w/sw, Horiz 3 R21,R59,R92 1.54K 1% 52-0143 1.54 KOhm Resi

27、stor 1% 1/4 Watt Metal Film 24 R22,R23,R24,R25,R33,R34, 20.0K 1% 52-0091 20.0 KOhm Resistor 1% 1/4 Watt Metal Film R36,R37,R56,R57,R60,R61, R67,R68,R70,R71,R90,R93, R94,R95,R103,R104,R106, 056174a0 R107 12 R26,R27,R28,R31,R32,R63, 100K 50-0036 100 KOhm Resistor 5% 1/4 Watt Carbon Film ?DOD Software

28、Page DBX 905 PCA PARAMETRIC EQ 80-6174 Revised: April 6, 1995 056174A0.000 Revision: A0 Bill Of Materials April 6, 1995 10:05:25 Quan Reference Part SYMAN Description _ R66,R97,R98,R101,R117, R126 3 R29,R64,R100 3.57K 1% 52-0123 3.57 KOhm Resistor 1% 1/4 Watt Metal Film 2 R30,R53 2.10K 1% 52-0184 2.

29、10 KOhm Resistor 1% 1/4 Watt Metal Film 3 R39,R73,R108 22.1K 1% 52-0089 22.1 KOhm Resistor 1% 1/4 Watt Metal Film 3 R40,R74,R109 90.9K 1% 52-0066 90.9 KOhm Resistor 1% 1/4 Watt Metal Film 3 R41,R75,R110 50K420281 42-0281 50 K Trim Pot, Horizontal Mount, Carbon, 1T 2 R80,R85 200K 1% 52-0276 200 KOhm

30、Resistor 1% 1/4 Watt Metal Film 2 R81,R86 8.25K 1% 52-0152 8.25 KOhm Resistor 1% 1/4 Watt Metal Film 1 R99 1M 50-0045 1 MOhm Resistor 5% 1/4 Watt Carbon Film 1 R113 2.2K 50-0208 2.2 KOhm Resistor 5% 1/4 Watt Carbon Film 1 R114 10M 50-0060 10M MOhm Resistor 5% 1/4 Watt Carbon Film 2 R115,R127 100K 1% 52-0305 100 KOhm Resistor 1% 1/4 Watt Metal Film 1 R116 536K 1% 52-0235 536 KOhm Resistor 1% 1/4 Watt Metal Film 1 S1 SW440146 44-0146 4PDT Push-Push Switch 2 S2,S3 SW440147 44-0147 6PDT Switch, Soft Touch