DBX-DDP-com-sch 电路图 维修手册.pdf
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1、ECN#DATEECN#DATEDESCRIPTIONDESCRIPTION |LINK A0 REVREV |055359B0.001 |055359B0.002 |055359B0.003 |055359B0.004 |055359B0.005 |055359B0.006 2-18-98RELEASE FOR PRODUCTION A1CHANGED RESISTOR AND CAP VALUES, LED COLORS, AND OMITED SOME PARTS3-11-98 A2CHANGED RESISTOR AND CAP VALUES, AND LED COLORS.3-19-
2、98 A3OMIT ALL THE PARTS ON THE SWITCH BOARD B09-23-98ADD ALL REV A ECN CHANGES AND RELEASE FOR PRODUCTION Thursday, March 30, 2000 055359B0.000B0 DDP ANALOG BOARD 80-5359 dbx Professional Products 8760 South Sandy Parkway Sandy, Utah 84070 B 06 Title SizeDocument NumberRev Date:Sheet of RadioFans.CN
3、 收音机爱 好者资料库 CH1 INPUT CH2 INPUT CH1 OUTPUT CH2 OUTPUT JACK BOARD JACK TO ANALOG Thursday, March 30, 2000 055359B0.001B0 DDP JACK BOARD - 80-5359 dbx Professional Products 8760 South Sandy Parkway Sandy. Utah 84070 B 16 Title SizeDocument NumberRev Date:Sheet of JCH1+IN JCH1-IN JCH2+IN JCH2-IN JCH1-O
4、UT JCH1+OUT JCH2+OUT JCH2-OUT J1 J320206 12 3 4 J2 J320119 2 5 4 1 3 6 J3 J320206 12 3 4 J4 J320119 2 5 4 1 3 6 WA1 WA280187 1 2 WA2 WA280187 1 2 J5 J320119 2 5 4 1 3 6 J6 J320204 12 3 4 WA3 WA280187 1 2 C5 470PKD7 C6 470PKD7 L1 FB260217 L2 FB260217 L3 FB260217 J7 J320119 2 5 4 1 3 6 J8 J320204 12 3
5、 4 WA4 WA280187 1 2 C7 470PKD7 L4 FB260217 C8 470PKD7 H1 HDR321083 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R3 3.24K 1%-7 R4 3.24K 1%-7 R2 3.24K 1%-7 R1 3.24K 1%-7 C2 220PKD7 C1 220PKD7 C3 220PKD7 C4 220PKD7 JCH1+IN JCH1-IN JCH2+IN JCH2-IN JCH1-OUT JCH1+OUT JCH2+OUT JCH2-OUT RadioFans.CN 收音机爱 好者资料库 CH1 INPU
6、T CH2 INPUT INPUT GAIN INPUT GAIN ANALOG BOARD ANALOG TO JACK CH2 I/O METER CH1 I/O METER CH1 I/O METER CH2 I/O METER Thursday, March 30, 2000 055359B0.002B0 DIGITAL COMPRESSOR - 80-5359 dbx Professional Products 8760 South Sandy Parkway Sandy. Utah 84070 B 26 Title SizeDocument NumberRev Date:Sheet
7、 of LEVELMETER_1 LEVELMETER_2 -15A+15A +15VA +15VA +15A +15A +15VA -15VA -15A -15VA -15VA C9 1M50E1 C10 1M50E1 SW1A SW440050 1 2 3 SW1B SW440050 4 5 6 D1 LEDG702114 D2 LEDG702114 D3 LEDG702114 D4 LEDG702114 P1 50K402136 1 2 3 P2 50K402136 1 2 3 R14 51-7 R15 51-7 U1A NJM4560/SM 3 2 1 4 R16 47K-7 Q1 2
8、N3906/SM 3 2 1 R18 470-7 H3 HDR321083 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SW2A SW440050 1 2 3 R19 10.0K 1%-7 U2B NJM4560/SM 5 6 7 8 U3A NJM4560/SM 3 2 1 4 R20 10.0K 1%-7 R21 10.0K 1%-7 R22 10.0K 1%-7 D7 4148SE 1 3 2 D8 4148SE 1 3 2 SW2B SW440050 4 5 6 U3B NJM4560/SM 5 6 7 8 U1B NJM4560/SM 5 6 7 8 U2A N
9、JM4560/SM 3 2 1 4 D5 1N914-7 21 3 D6 1N914-7 21 3 SC2 SC340200B SC1 SC340200B R10 10.0K 1%-7 R9 10.0K 1%-7 R8 10.0K 1%-7 R7 10.0K 1%-7 C14 22PJD7 C13 22PJD7 C17 68PJD7 C16 68PJD7 C11 68PJD7 C12 68PJD7 R5 68K-7 R11 62K-7 R204 47K-7 R23 68K-7 R6 62K-7 R203 47K-7 H2 HDR321083 1 2 3 4 5 6 7 8 9 10 11 12
10、 13 14 R109 4.7K-7 C18 22NPM25E1 C15 22NPM25E1 R110 4.7K-7 R13 22K-7 R12 22K-7 PCB1 80-5359-B P7 OMIT 1 2 3 P9 50K420221 1 2 3 R141 2.00K 1%-7 R142 2.00K 1%-7 P8 OMIT 1 2 3 P10 50K420221 1 2 3 CH1_IN CH1_OUT CH2_OUT CH2_IN ACH2-OUT ACH2+OUT ACH1-OUT ACH1+OUT LEVELMETER_1 LEVELMETER_2 RadioFans.CN 收音
11、机爱 好者资料库 ANALOG BOARD ANALOG TO DIGITAL A/D OFFSET TRIM Thursday, March 30, 2000 055359B0.003B0 A/D - 80-5359 dbx Professional Products 8760 South Sandy Parkway Sandy. Utah 84070 B 36 Title SizeDocument NumberRev Date:Sheet of ACH1+A/D_FB ACH1-A/D_FB ACH1+A/D ACH1-A/D ACH2+A/D_FB ACH2-A/D_FB ACH2-A/
12、D_FB ACH2+A/D ACH2+A/D ACH2-A/D ACH2-A/D ACH2-DAC ACH2+DAC ACH1-DAC ACH1+DAC +15VA +15VA +15VA +15VA +15VA +15VA +15VA+15VA+15VA+15VA+15VA -15VA-15VA-15VA-15VA-15VA +15VA+15VA+15VA+15VA+15VA +15VA -15VA-15VA-15VA-15VA-15VA +15VA -15VA +15VA VOFF+ VOFF- VOFF+ VOFF- -15VA -15VA -15VA -15VA -15VA -15VA
13、 -15VA +15VA +15VA -15VA -15VA +15A -15A +5VA VOFF+ VOFF- R24 100K-7 R25 100K-7 R26 100K-7 R27 100K-7 R31 4.99K 1%-7 R36 4.99K 1%-7 C24 10ME1 C28 .10KD7 C29 .10KD7 C30 .10KD7 C31 .10KD7 C32 .10KD7 C33 .10KD7 C34 .10KD7 C35 .10KD7 C36 .10KD7 C37 .10KD7 C38 .10KD7 C39 .10KD7 C40 .10KD7 C41 .10KD7 C42
14、.10KD7 C43 .10KD7 C44 .10KD7 C45 .10KD7 C46 .10KD7 C47 .10KD7 R40 4.99K 1%-7 C51 .10KD7 H4 HDR322000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 R45 33K-7 D10 4148SE 1 3 2 D11 4148SE 1 3 2 R46 33K-7 D12 4148SE 1 3 2 D15 4148SE 1 3 2 R48 33K-7 R49 33K-7 D16 4148SE 1 3 2 D17 4
15、148SE 1 3 2 D18 4148SE 1 3 2 D19 4148SE 1 3 2 D20 4148SE 1 3 2 R51 4.99K 1%-7 U5A NJM4560/SM 3 2 1 4 U4A NJM4560/SM 3 2 1 4 U6A NJM4560/SM 3 2 1 4 U7A NJM4560/SM 3 2 1 4 U6B NJM4560/SM 5 6 7 8 U7B NJM4560/SM 5 6 7 8 U5B NJM4560/SM 5 6 7 8 U4B NJM4560/SM 5 6 7 8 C170 10ME1 C171 10ME1 D13 4148SE 1 3 2
16、 D14 4148SE 1 3 2 C20 47ME1 C52 47ME1 C21 47ME1 C19 47ME1 C174 10ME1 D9 4148SE 1 3 2 C26 .10KD7 C27 .10KD7 R32 2.00K 1%-7 R35 2.00K 1%-7 R30 2.00K 1%-7 R29 2.00K 1%-7 R53 2.00K 1%-7 R52 2.00K 1%-7 R42 2.00K 1%-7 R41 2.00K 1%-7 C58 330PKD7 C56 330PKD7 C57 330PKD7 C59 330PKD7 C61 330PKD7 C60 330PKD7 C
17、55 22PJD7 C49 22PJD7 R50 2.00K 1%-7 R47 2.00K 1%-7 C53 .027J C54 .027J R39 10.0K 1%-7 R38 0-7 R37 10.0K 1%-7 R44 39K-7 P3 OMIT 1 2 3 C50 OMIT C23 22NPM25E1 C25 22NPM25E1 C48 22NPM25E1 C22 22NPM25E1 R28 6.81K 1%-7 R43 6.81K 1%-7 R34 6.81K 1%-7 R33 6.81K 1%-7 CH1_IN CH2_IN ACH2-DAC ACH1-DAC ACH1+DAC A
18、CH2+DAC *OUTPUT_MUTE ACH1+A/D_FB ACH1-A/D_FB ACH1+A/D ACH1-A/D ACH2+A/D_FB ACH2-A/D_FB ACH2-A/D_FB ACH2+A/D ACH2+A/D ACH2-A/D ACH2-A/D ACH2-DAC ACH2+DAC ACH1-DAC ACH1+DAC OUTPUT GAIN OUTPUT GAIN ANALOG BOARD GO TO ANALOG TO JACK HEADER ON SHEET 2 GO TO ANALOG TO JACK HEADER ON SHEET 2 FROM ANALOG TO
19、 DIGITAL HEADER ON SHEET 3 Thursday, March 30, 2000 055359B0.004B0 DAC - 80-5359 dbx Professional Products 8760 South Sandy Parkway Sandy. Utah 84070 B 46 Title SizeDocument NumberRev Date:Sheet of CH1_OUT CH2_OUT CH1_OUTCH2_OUT +15VA +5VA +5VA +15VA +15VA +15VA -15VA -15VA -15VA-15VA R54 10.0K 1%-7
20、 R55 4.53K 1%-7 C62 10PJD7 R56 60.4 1%-7 R57 4.53K 1%-7 R58 3.16K 1%-7 R59 10.0K 1%-7 R60 60.4 1%-7 R61 4.53K 1%-7 R62 3.16K 1%-7 C63 10PJD7 R63 4.53K 1%-7 R64 3.16K 1%-7 R65 10.0K 1%-7 R66 10.0K 1%-7 U8A NJM4560/SM 3 2 1 4 U8B NJM4560/SM 5 6 7 8 R67 60.4 1%-7 R68 2.67K 1%-7 R69 5.76K 1%-7 R70 6.04K
21、 1%-7 R71 2.67K 1%-7 R72 5.76K 1%-7 R73 3.24K 1%-7 R74 3.24K 1%-7 R75 6.04K 1%-7 R76 60.4 1%-7 R77 3.16K 1%-7 P450K402136 1 2 3 P550K402136 1 2 3 R82 4.99K 1%-7 R83 10.0K 1%-7 C68 10ME1 R88 4.99K 1%-7 R89 10.0K 1%-7 R92 10.0K 1%-7 C77 10ME1 Q2 2N3906/SM 3 2 1 Q3 2N3906/SM 3 2 1 R96 10.0K 1%-7 R97 4.
22、99K 1%-7 U11A NJM4560/SM 3 2 1 4 U11B NJM4560/SM 5 6 7 8 U10B NJM5532/SM 5 6 7 8 U10A NJM5532/SM 3 2 1 4 U9A NJM5532/SM 3 2 1 4 U9B NJM5532/SM 5 6 7 8 R100 57.6K 1%-7 R101 57.6K 1%-7 R99 57.6K 1%-7 R90 3.16K 1%-7 R85 3.16K 1%-7 R81 3.16K 1%-7 R78 3.16K 1%-7 C80 10ME1 C81 22PJD7 C69 22PJD7 C75 22PJD7
23、 C85 22PJD7 C70 22PJD7 C86 22PJD7 C73 330PKD7 C72 330PKD7 C65 330PKD7 C64 330PKD7 C74 220PKD7 C66 220PKD7 C82 330PKD7 C79 330PKD7 R95 750-7 R86 750-7 C78 22NPM25E1 C67 22NPM25E1 R91 4.99K 1%-7 R98 57.6K 1%-7 P12 OMIT 1 2 3 P11 OMIT1 2 3 R80 20.0K 1%-7 R147 3.24K 1%-7 R94 20.0K 1%-7 R148 3.24K 1%-7 P
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