DBX-905-eq-sch维修电路原理图.pdf

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1、ECN#DATEECN#DATEDESCRIPTIONREVISIONREVISIONDESCRIPTION|LINK|056174A0.001|056174A0.002A0RELEASE TO PRODUCTION4.5.95Wednesday, October 20, 1999056174A0.000A0DBX 905 PCA PARAMETRIC EQ 80-6174dbx PROFESSIONAL PRODUCTS8760 South Sandy ParkwaySandy, Utah 84070B02TitleSizeDocument NumberRevDate:Sheet of Ra

2、dioFans.CN 收音机爱 好者资料库DUAL FREQHIGHSHELFHIGH (800-20KHZ)WHITEYELLOWRED OVERLEDHIGHSHELFSHELFHIGHLOWSHELFHIGHSHELFININTO OUTPUT MODULEHIGHSHELFHIGH QNOTCH-/+HIGHNOTCH CALWednesday, October 20, 1999056174A0.001A0DBX 905 PCA PARAMETRIC EQ 80-6174dbx PROFESSIONAL PRODUCTS8760 South Sandy ParkwaySandy, Ut

3、ah 84070B12TitleSizeDocument NumberRevDate: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-24VP1PA15123456789101112131415R11KC51S63E1C61S63E1OA1LF3514156723R80200K 1%OA10NE

4、5534D32651874C441S63E1S2FSW440147141618R8410KR9020.0K 1%R9320.0K 1%R85200K 1%OA11BNE55325678R8910KOA11ANE55323214R9520.0K 1%OA12BNE55325678C341S63E1R9610KR991MR532.10K 1%C501S63E1OA12ANE55323214C351S63E1R10990.9K 1%IC3CMC140534359IC3AMC14053152110OA13BNE55325678R10420.0K 1%R10620.0K 1%R10720.0K 1%R6

5、720.0K 1%R10320.0K 1%C411S63E1R11110KOA13ANE55323214R61KR12010KR11910KR11810KR12110KCR101N4148CR91N4148CR81N4148CR111N4148OA14ALM339D5423R115100K 1%OA14CLM339D981412R12310KR12410KR12510KR12210KOA14BLM339D761OA14DLM339D111013S2DSW44014781012C4322PK1KDR10510KCR11N4004C310S63E1CR21N4004C410S63E1C46.001

6、K1KD1R91A20K402105132C364700PH160AR210.0K 1%R7710.0K 1%R7810.0K 1%R7910.0K 1%CR3LEDR702098CR5LEDR702098C2100PK1KDR82B50K402104465R37.50K 1%S1ASW440146123S1DSW440146101112S1BSW440146456P2PA11P3PA11C371S63E1C39100PK1KDCR6LEDR702098C321000PF500FC331000PF500FR9420.0K 1%C421S63E1S2CSW440147246S2ESW440147

7、131517S3ASW440147135S2ASW440147135C38100PK1KDR91C20K40210578IC3BMC140531412131167816R91B20K402105465R10822.1K 1%R82A50K402104132J2HCN323160A1B2C3D4E5F6G7H8I9J10C1100PK1KDR57.50K 1%R410.0K 1%CR141N4148CR131N4148CR151N4148CR121N4148R127100K 1%C451S63E1R11050K420281123R191.5KR921.54K 1%R32100KR97100KR9

8、8100KR101100KR117100KR11410MR1132.2KR116536K 1%R818.25K 1%R831.15K 1%R868.25K 1%R1003.57K 1%R881.15K 1%R126100KC401S63E1EQ OUTEQ OUTMID STAGEMID CLIP SENSEAUDIO IN +AUDIO IN -AUDIO OUT +AUDIO OUT -RadioFans.CN 收音机爱 好者资料库DUAL FREQSHELFLOWLOW (20 - 500HZ)LOWSHELFLOWSHELFLOWSHELFDUAL FREQMID (200 - 5KH

9、Z)MID QLOW QNOTCH-/+ MIDNOTCH CALNOTCHLIN -/+ LOWNOTCH CALWednesday, October 20, 1999056174A0.002A0DBX 905 PCA PARAMETRIC EQ 80-6174dbx PROFESSIONAL PRODUCTS8760 South Sandy ParkwaySandy, Utah 84070B22TitleSizeDocument NumberRevDate:Sheet of +15V+15V+15V+15V+15V+15V+15V+15V+15V+15V-15V-15V-15V-15V-1

10、5V-15V-15V-15V+15V+15VC181S63E1OA3ANE55323214R1710KR1610KIC1AMC14053152110IC1CMC140534359R3922.1K 1%S3FSW440147141618R10232K 1%R11232K 1%R2420.0K 1%R2520.0K 1%C161S63E1R2220.0K 1%S3CSW440147246R302.10K 1%C491S63E1R4090.9K 1%R3320.0K 1%R3620.0K 1%R3720.0K 1%OA5BNE55325678OA5ANE55323214R3510KC141S63E1

11、R3810KC48100PK1KDC151S63E1C910S63E1C1210S63E1S3ESW440147131517R46232K 1%R51232K 1%OA7BNE55325678R5510KOA7ANE55323214R5010KOA6NE5534D32651874C3122PK1KDR4710.0K 1%R5620.0K 1%R6020.0K 1%R6120.0K 1%R6210KOA8NE5534D32651874C291S63E1C261S63E1IC2AMC14053152110IC2CMC140534359R7322.1K 1%R7490.9K 1%R6820.0K 1

12、%R7020.0K 1%R7120.0K 1%OA9BNE55325678OA9ANE55323214C24100PK1KDR7210KC271S63E1R3420.0K 1%R6910KC2210S63E1OA3BNE55325678C7.033JBC8.033JBC213300PH63AOA4BNE55325678C1010S63E1R6510KR58A20K402105132R58C20K40210578R20A20K402105132R20C20K40210578IC1BMC140531412131167816PCB180-6174-AC25100PK1KDC13100PK1KDICS

13、1DIP16SDICS2DIP16SDICS3DIP16SDR710.0K 1%R910.0K 1%R1310.0K 1%R4410.0K 1%R4510.0K 1%R5210.0K 1%R1210.0K 1%C11.15JBR2320.0K 1%R48B50K402104465R14B50K402104465R5720.0K 1%R4310.0K 1%S3DSW44014781012R14A50K402104132C4722PK1KDC281S63E1R4150K420281123R20B20K402105465OA4ANE55323214C203300PH63AIC2BMC14053141

14、2131167816R58B20K402105465R7550K420281123C191S63E1OA2NE5534D32651874C3022PK1KDR810.0K 1%R541.15K 1%R491.15K 1%R591.54K 1%R151.15K 1%R181.15K 1%R211.54K 1%R26100KR31100KR63100KR643.57K 1%R66100KR293.57K 1%R27100KR28100KR48A50K402104132C171S63E1C231S63E1I1INS242003I2INS242003I3INS242003I4INS242003I5IN

15、S242003I6INS242003MID STAGEEQ OUTMID CLIP SENSE056174a0?&l0?(s0P?(s15H?(s8V?(s0S?&l6D?&l66P?&l3E?&a7L?&a120M?&l61FDOD Software Page 1DBX 905 PCA PARAMETRIC EQ 80-6174 Revised: April 6, 1995056174A0.000 Revision: A0Bill Of Materials April 6, 1995 10:05:25 Quan Reference Part SYMAN Description_ 8 C1,C

16、2,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, C29,C34,C35,C37,C40,C41, C42,C44,C45,C49,C50 2

17、 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 62-3019 1000 pF Cap 500V 1% Mica Film 1 C36 4700PH

18、160A 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,CR12, 1N4148 70-0002 1N4148 Diode Silicon Switch

19、ing, 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 32-3160 10 Pin conn. 1 OA1 LF351 72-4318 LF351 Wide

20、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 part 2 P2,P3 PA1 - 1 Pin Pad Pattern, Not a part 1

21、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 Metal Film 4 R10,R11,R46,R51 232K 1% 52-2214 232 KO

22、hm 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 5% 1/4 Watt Carbon Film R62,R65,R69,R72,R84,R89,

23、 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 Resistor 1% 1/4 Watt Metal Film 24 R22,R23,R24,R25,R

24、33,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 Page DBX 905 PCA PARAMETRIC EQ 80-6174 Revised:

25、April 6, 1995056174A0.000 Revision: A0Bill 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 2.10 KOhm Resistor 1% 1/4 Watt Metal Film 3 R39,R73,R

26、108 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 Resistor 1% 1/4 Watt Metal Film 2 R81,R86 8.25K 1%

27、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

28、 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 TouchECN#DATEECN#DATEDESCRIPTIONREVISIONREVISIONDESCRIPTION|LINKA0RELEASE TO PRODUCTION4.6.95|056173A1.001A1ADDED 36-1113, 36-1109, 44-015715885/22/97

29、Wednesday, October 20, 1999056173A1.000A1DBX 905 OUTPUT BOARDdbx PROFESSIONAL PRODUCTS8760 South Sandy ParkwaySandy, Utah 84070B01TitleSizeDocument NumberRevDate:Sheet of (OPTION)GND+IN-INCDS2LTRIMOFFSETEL RADEL RADCD NPOEL RADEL RADEL RADWednesday, October 20, 1999056173A1.001A1DBX 905 OUTPUT BOARD

30、dbx PROFESSIONAL PRODUCTS8760 South Sandy ParkwaySandy, Utah 84070B11TitleSizeDocument NumberRevDate:Sheet of OUTOUT+15V-15V+24V+15V-15V+24V-24V-24VC522S63E1R17.5KC110S63E1C2150PK1KDR44.7KR31.2MR15OMITC310S63E1C11.001K1KD1CR11N4148CR21N4148CR81N4004CR31N4148CR41N4148CR51N4148CR61N4148Q12N4036123Q22N

31、3440321C710S63E1CR71N4004R1422R1222R1322R550K420281123I1INS706008I2INS706008HS1HS704221HS2HS704221J1B2J1C3J1D4J1E5J1G7J1F6J1H8J1I9J1J10PCB180-6173-AJ1AHDR3232071C810S63E1C410PK1KDC622S63E1OA1LF3514156723R211.0K 1%R82.2KR62.2KR72.2KR92.2KR115.6KR105.6KW1W36111312W2W36110912SC1SC440157OUTOUT056173a1?&

32、l0?(s0P?(s15H?(s8V?(s0S?&l6D?&l66P?&l3E?&a7L?&a120M?&l61FDOD Software Page 1DBX 905 OUTPUT BOARD Revised: May 22, 1997056173A1.000 Revision: A1Bill Of Materials May 22, 1997 14:50:05 Quan Reference Part SYMAN Description_ 4 C1,C3,C7,C8 10S63E1 60-0320 10 uF Cap 63V -20/+100% Alum, Rad 1 C2 150PK1KD

33、62-3042 150 pF Cap 1KV 10% Ceramic Disc 1 C4 10PK1KD 62-3030 10 pF Cap 1KV 10% Ceramic Disc 2 C5,C6 22S63E1 60-0325 22 uF Cap 63V -20/+100% Elect. 1 C11 .001K1KD1 62-3051 .001 uF Cap 1KV 10% Ceramic Disc Ammo T&R 6 CR1,CR2,CR3,CR4,CR5,CR6 1N4148 70-0002 1N4148 Diode Silicon Switching, 75 Volts PIV 2

34、 CR7,CR8 1N4004 70-0009 1N4004 Rect 1A 400V 2 HS1,HS2 HS704221 70-4221 Heatsink, PCB Mount, TO-5, Red 2 I1,I2 INS706008 70-6008 Transipad 1 J1 HDR323207 32-3207 10 Pin Hdr 1 OA1 LF351 72-4318 LF351 Wide Bandwidth JFET Input OP-AMP 1 PCB1 80-6173-A 1 Q1 2N4036 70-1038 2N4036 PNP, Signal Transistor 1

35、Q2 2N3440 70-1042 2N3440 NPN, Signal Transistor 1 R1 7.5K 50-0017 7.5 KOhm Resistor 5% 1/4 Watt Carbon Film 1 R2 11.0K 1% 52-0105 11.0 KOhm Resistor 1% 1/4 Watt Metal Film 1 R3 1.2M 50-0277 1.2 MOhm Resistor 5% 1/4 Watt Carbon Film 1 R4 4.7K 50-0015 4.7 KOhm Resistor 5% 1/4 Watt Carbon Film 1 R5 50K

36、420281 42-0281 50 K Trim Pot, Horizontal Mount, Carbon, 1T 4 R6,R7,R8,R9 2.2K 50-0208 2.2 KOhm Resistor 5% 1/4 Watt Carbon Film 2 R10,R11 5.6K 50-0018 5.6 KOhm Resistor 5% 1/4 Watt Carbon Film 3 R12,R13,R14 22 50-0158 22 Ohm Resistor 5% 1/4 Watt Carbon Film 1 R15 OMIT 00-0000 This part has been omitted 1 SC1 SC440157 44-0157 Pbutton, F-type, Tapered, Blk 1 W1 W361113 36-1113 Wire, B-24, WHT, 4.0 1 W2 W361109 36-1109 Wire, B-24, YEL, 4.0