Alto_DJM-3_Mixer_Schematics电路图.pdf
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1、Service Manual Version: 1.1 Model: DJM-3 ( 2 - C H A N N E L V C A - C O N T R O L L E D D J M I X I E R )( 2 - C H A N N E L V C A - C O N T R O L L E D D J M I X I E R ) RadioFans.CN 收音机爱 好者资料库 CONTENTS 1. Specification 2. Block Diagram 3. Schematic Diagram 4. Printed Circuit Board 5. Wiring Diagr
2、am 6. Test Procedure 7. Electrical Parts List 8. Exploded Views & Mechanical Parts List 9. Notes RadioFans.CN 收音机爱 好者资料库 2 11 4. Technical Specifications Model NO: DJM-3 ( 2-CHANNEL MIXER ) Mic Input Phono Inputs 1 and 2 Line Inputs 1and 2 Return Main Out Tape Out Send Headphones Stereo Bass Stereo
3、Middle Stereo Treble Stereo Bass Stereo Treble Signal-to-Noise ratio(S/N) Crosstalk Distortion(THD) Frequency Response Input Gain Adjustment Main voltage Power Consumption Fuse Main connection Dimension weight AUDIO INPUTS AUDIO OUTPUTS EQUALIZER(/8dB) GENERAL POWER SUPPLY DIMENSIONS AND WEIGHT 40dB
4、 gain,servo-balanced 40dB gain1kHz,unbalanced 0dB gain, unbalanced 0dB gain, unbalanced max21dBu typically 0dBu typically 0dBu typically 125mW 1% THD 15dB/30dB50Hz 15dB/30dB2.5KHz 15dB/30dB10KHz 15dB/15dB30Hz 15dB/15dB20KHz 90dB(LINE) 70 dB3dB(LINE) 0.1% 20Hz-20KHz (2dB) 20dB -9dB (3dB) USA/Canada10
5、0-120V, 60Hz Europe210-230V, 50Hz U.K./Australia240V, 50Hz 12watts 95-120V : T400mAL 210-240V : T200mAL Standard IEC receptacle 248(L)245(W)76.6(H)mm (9.89.63.0) 2.9Kg (6.39lb) RadioFans.CN 收音机爱 好者资料库 1. SPECIFICATION (DJM-3) 3 12345678 A B C D 87654321 D C B A Djm-3 DIGRAM.Sch Titel Size File: Date
6、: Drawn By: Sheet RevisionModel No: 4-Sep-2002 TASY J.S. DJM-3 BLOCK DIGRAM 11of DJM-3V1.0A3 CHANNEL 1(INPUT) PHONOLINE R L 1 2 3 SW3A 4 5 6 P SW3B 7 8 9 PSW3C 10 11 12 P SW3D 1 2 3 A PHONO LINE 4 5 6 P B PHONO LINE GAIN GAIN 3-BAND EQ LO MID HI 3-BAND EQ LO MID HI CHANNEL 2(INPUT) PHONOLINE R L 1 2
7、 3 SW3A 4 5 6 P SW3B 7 8 9 PSW3C 10 11 12 P SW3D 1 2 3 A PHONO LINE 4 5 6 P B PHONO LINE GAIN GAIN 3-BAND EQ LO MID HI 3-BAND EQ LO MID HI 3c 5e 1a 4d 2b MIC INPUT MIC ON SW GAIN 2-BAND EQ LOHI Voltage Controlled Amplifier RETURN TO MAIN (EFFECTS) TYPE (MAIN OUT) AMP (MAIN OUT) SEND FROM PFL (EFFECT
8、S) R L R L R L R L GAIN GAIN PFL MIX 3c 5e 1a 4d 2b PHONES OUT PFL LEVELPFL MODE BPM SN8P1707Q LEVEL METER TEMPO DIFFERENCE TIME OFFSET PHONE / LINE PHONE / LINE 2.Block Diagram 4 123456789101112 A B C D 121110987654321 D C B A DJM3-PRE-A&D.Sc h Ti t e l Si z e Fi l e : Da t e : Dr a w n By : Sh e e
9、 t Re v i s i o nMo d e l No : 24-Oc t -2002 J.S. TASY DJM3-PRE&BPM 11o f DJM-31.0A3 1 2 3 SW3A 4 5 6 P SW3B 7 8 9 PSW3C 10 11 12 P SW3D CHANNEL 1 PHONE/ LINE R50 2K49 R51 2K49 VR1A 10KC VR1B 10KC R62 1K5 C99 220P C100 220P R63 1K5 R81 100K R82 100K C33 10uF/25V C34 10uF/25V R154 1K5 GAIN R172 1K5 C
10、141 150n LOW C146 150n R192 33k R156 1K5 R142 3K3 VR15B 50KE VR11B 50KE MID R127 33K C132 10n R128 8K06 R111 18K C127 6n8 3 2 1 IC7A TL074 5 6 7 IC7B TL074 12 13 14 IC7D TL074 R155 4k7 C121 56p R94 33k VR6B 50KE R110 2K49HIGH C117 5n6 R159 1K5 R173 1K5 C142 150n LOW C147 150n R193 33k R157 1K5 R143
11、3K3 VR15A 50KE VR11A 50KE MID R130 33K C133 10n R129 8K06 R112 18K C128 6n8 10 9 8 IC7C TL074 R158 4k7 C122 56p R95 33k VR6A 50KE R113 2K49 HIGH C118 5n6 3 2 1 IC17A O64C 5 6 7 IC17B 064C C140 20P R165 18K 1 2 3 SW4A 4 5 6 P SW4B 7 8 9 PSW4C 10 11 12 P SW4D CHANNEL 2 PHONE/ LINE R60 2K49 R61 2K49 VR
12、5A 10KC VR5B 10KC R67 1K5 C106 220P C107 220P R68 1K5 R92 100K R93 100K C44 10uF/25V C45 10uF/25V R166 1K5 GAIN R186 1K5 C143 150n LOW C148 150n R194 33k R168 1K5 R151 3K3 VR16B 50KE VR14B 50KE MID R137 33K C137 10n R138 8K06 R124 18K C129 6n8 3 2 1 IC11A TL074 5 6 7 IC11B TL074 12 13 14 IC11D TL074
13、 R167 4k7 C125 56p R106 33k VR10B 50KE R123 2K49HIGH C119 5n6 R171 1K5 R187 1K5 C144 150n LOW C149 150n R195 33k R169 1K5 R152 3K3 VR16A 50KE VR14A 50KE MID R140 33K C138 10n R139 8K06 R125 18K C130 6n8 10 9 8 IC11C TL074 R170 4k7 C126 56p R107 33k VR10A 50KE R126 2K49HIGH C120 5n6 C145 20P R185 18K
14、 C59 10uF/25V C60 10uF/25V SW SW PHONE/LINE OUT L1 PHONE/LINE OUT R1 PHONE/LINE OUT L2 PHONE/LINE OUT R2 1 2 3 VR2 20KC R53 47R C96 100N HIGH R54 301R 1 2 3 VR7 20KC LOW C48 1uF/50V R96 301R R97 4K7 C116 100N C36 47uF/25V 5 6 7 IC8B 2068 3 2 1 IC8A 2068 C101 20P R73 220K R83 100K C46 10uF/25V 1 2 3
15、VR12 10KA LEVEL C35 10uF/25V R64 2K7 C98 27n R52 330R R98 10K D7 BAT54 ( FM103 ) R76 560K C37 0.47u/50V R75 4K7 R74 1M2 R85 100R R84 47K +15V 1 2 3 SW7A 4 5 6 P SW7B LEVEL ON R114 100K C56 220uF/ 6.3V R188 2K2 R189 2K2 LD1 GRN -15V-15V D8 4148 C49 10u/25V C47 10u/25V R200 27K 3 2 1 IC20A TL074 5 6 7
16、 IC20B TL074 C153 150P R202 27K R150 8K2 R136 10K 10 9 8 IC20C TL074 12 13 14 IC20D TL074 R121 10K R122 8K2 3 2 1 IC13A TL074 5 6 7 IC13B TL074 C43 10u/25V R105 10K R104 10K R149 10K R103 10K R108 10K C123 56P R148 10K R109 10K C124 56P R199 27K R201 27K C152 150P R205 27K R204 27K C62 10uF/25V 1 2
17、3 SW8A SURROUND 4 5 6 P SW8B SURROUND R190 2K2 R191 2K2 LD4 GRN +15V 1 2 3 VR13 1KA R135 20K C131 100n R119 20K R120 20K C61 220uF/6.3V SURROUND C41 10uF/25V C40 10uF/25V VR4A 10KA C30 10uF/25V R59 22K 10 9 8 IC13C TL074 C105 20P R80 47K C32 47uF/25VR49 100K VR4B 10KA C29 10uF/25V R58 22K 12 13 14 I
18、C13D TL074 C104 20P R79 47K C31 47uF/25V R48 100K MAIN OUT LEVEL MAIN OUT LEVEL MIC INPUT MIC INPUTMIC INPUT -15V +15VVDD R206 27K R207 27K C63 10uF/25V C42 10uF/25V MIC IN GND 8 I IN2 7 V C2 6 I OUT2 5 I OUT1 4 I C1 3 I IN1 2 MODE 1 V+ 16 I IN4 15 V C4 14 I OUT4 13 I OUT3 12 V C3 11 I IN3 10 V- 9 I
19、C23 SSM2164 R216 30K +15V -15V +15V R218 27K R222 511R C160 560P 3 2 1 IC24A 2068 R228 1M C162 27n R224 200K 1 2 3 VR18 100KB -15V R215 150K R230 10K R227 51K1 D20 4148 1 2 3 VR9 50KB MAIN OUT TALK 1 2 3 5 6 7 48 SW14 R234 2K2 R236 47K R235 8K2 R217 27K R220 511R C158 560P R213 27K R221 511R C159 56
20、0P CH2 CURVE R212 27K R219 511R C157 560P 5 6 7 IC24B2068 R225 1M C161 27n R223 200K 1 2 3 VR17 100KB -15V R214 150K R229 10K R226 51K1 D19 4148 1 2 3 5 6 7 48 SW13 R231 2K2 R233 47K R232 8K2 CH1 CURVE PHONE/LINE OUT L1 PHONE/LINE OUT L2 PHONE/LINE OUT R1 PHONE/LINE OUT R2 SOFTMIDSHARPSOFTMIDSHARP R
21、39 22R R40 22R +15V -15V R41 22R R42 22R C25 47uF/25V C26 47uF/25V 411 IC9E TL074 1 2 3 SW6A SW PS- 42E85L 4 5 6 P SW6B R141 2K2 R153 2K2 LD3 RED LD2 GRN MAIN PFL -15V +15V -15V 5 6 7 IC9B TL074 R88 33K R77 180K C102 20P C50 10u/25V R99 47K R65 47K R66 47K R87 47K 4 5 6 VR8B 20KB PFL MIX R86 47K 1 2
22、 3 SW5A PFL MODE 3 2 1 IC9A TL074 R89 33K R78 180K C103 20P C51 10u/25V R100 47K R71 47K R72 47K 1 2 3 VR8A 20KB PFL MIX R91 47K R90 47K R118 1K R117 1K C53 10uF/25V R102 47K R116 1K R115 1K C52 10uF/25V R101 47K 4 5 6 P SW5B 10 9 8 IC9C TL074 R46 2K49 R57 12K R56 100K C97 20P C28 47uF/25V C39 10uF/
23、25V R69 47R R70 47R VR3A 50KBA PFL LEVEL 10 11 12 P SW6D 7 8 9 P SW6C R147 100K R161 100K R160 62K R146 62K PHONE/LINE OUT R2 PHONE/LINE OUT R1 PHONE/LINE OUT L2 PHONE/LINE OUT L1 12 13 14 IC9D TL074 R45 2K49 R47 12K R55 100K C95 20P C27 47uF/25V C38 10uF/25V R43 47R R44 47R VR3B 50KB PFL LEVEL LEVE
24、L METER X15 X15 411 IC7E TL074 C108 100n C109 100n 84 IC8C 4580 411 IC20E TL074 411 IC13E TL074 411 IC11E TL074 84 IC24C 4580 C114 100n C115 100n C112 100n C113 100n C155 100n C156 100n C110 100n C111 100n C163 100n C164 100n 411 IC17E 064C LINE L1 LINE R1 PHONO R1 PHONO L1 LINE R2 LINE L2 PHONO R2
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