Gemini-BPM500-mix-sm维修电路原理图.pdf

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1、Page 1 SERVICE MANUAL BPM-500 Stereo Preamp Mixer CONTENTS: Connections BALANCE,MASTER,MIC,CUE,BOOTH KNOB INLAY (RED); GAIN KNOB INLAY (GRAY); TREBLE,BASS,LOW,MID,HIGH PLATE DISPLAY (SMALL) HOLDER LED VR INLAY PLATE LED HOLDER LED 3fLED (17mm) HOLDER LED 3f (7mm) PAD FOOT GND SCREW HOLDER BUSHING LE

2、D BNC DUST PROOF CLOTH VR DUST PROOF CLOTH (SMALL) VR DUST PROOF CLOTH SWING DUST PROOF CLOTH SCREEN SNAP RIVET DRYER PAN-HEAD MACHINE SCREW; PMS 2.6X4(B) BAND-HEAD TAPPING SCREW /TW-E; BTB-3/TW-3 3X6(AB) BAND-HEAD TAPPING SCREW; BTS-3 3X5(AB) BAND-HEAD TAPPING SCREW; BTS-3 3X6(AB) BAND-HEAD TAPPING

3、 SCREW; BTS-3 3X10(AB) PAN-HEAD TAPPING SCREW/TWIN SCREW; PTS-2 3X8(AB) TWIN FLAT-HEAD TAPPING SCREW; FTS-3 3X6(AB) BAND-HEAD MACHINE SCREW; BMS 3X2X4 FLAT-HEAD TAPPING SCREW; FTS-3 3X12(AB) NUT/WASHER PAN-HEAD MACHINE SCREW; PMS 2X4(B) 162-940 262-019 262-022 262-020 262-021 262-023 162-955 162-979

4、 162-980 PRINTED CIRCUIT BOARD PS-900-1; IN/OUT PRINTED CIRCUIT BOARD BPM500-2; MAIN PRINTED CIRCUIT BOARD BPM500-3; MASTER VR PRINTED CIRCUIT BOARD BPM500-4; FADER PRINTED CIRCUIT BOARD BPM500-5; DJ MIC PRINTED CIRCUIT BOARD BPM500-6; PHONES PRINTED CIRCUIT BOARD PS-900-8; PHONO/LINE PRINTED CIRCUI

5、T BOARD BPM250-7; BIT AMP PRINTED CIRCUIT BOARD BPM250-8; BIT DISPLAY (CEM-1 41166mm) DescriptionPart # Printed Circuit Boards Item # 1 2 3 4 5 6 7 8 9 RadioFans.CN 收音机爱 好者资料库 Page 7 Parts Lists - PCB1 Input/Output 079-027 079-003 081-027 081-004 092-078 092-113 RECTIFIER DIODE 1N4002 (1N4003,1N4004

6、) SILICON DIODE 1N4148 SLIDE SWITCH 2P2C PH/LINE SLIDE SWITCH 2P2C PHONE JACK 6.3 PHONE JACK XLR D3-7 D1, D2 SW1 EXT1, EXT2 J1, J5 J9, J10 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 3 4 5 6 076-095 076-104 TRANSISTOR 2SC2878 TRANSISTOR 2SA1048 (2SA1317) Q1-5, Q7 Q6 DesignatorsDescripti

7、onPart # Transistors Item # 1 2 074-113 074-145 074-107 074-074 INTEGRATED CIRCUIT NJM4556L INTEGRATED CIRCUIT NJM2068LD INTEGRATED CIRCUIT NJM7812FA INTEGRATED CIRCUIT NJM7805FA IC8 IC1-6 IC7 IC10 DesignatorsDescriptionPart # ICs Item # 1 2 3 4 Parts Lists - PCB2 Phono 080-091 092-078 083-069 083-0

8、97 072-091 072-092 071-084 071-136 LIGHT EMITTING DIODE (RED) 3.15 PHONE JACK 6.3 PUSH SWITCH 2P2C L=12.5 SWITCH 4P2C L=12.5 SLIDE VR 45mm L=20 CH VOL MASTER 10KA2 SLIDE VR 30mm L=15 CUE FADER 20KBx2 ROTARY VR 16 L=20 BOOTH CUE VOL 50KAx2 ROTARY VR 16 L=20 BAL 20KMN C.C D6, D13, D34 J1 SW2 SW7 VR6 V

9、R7 VR3, VR8 VR4 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 3 4 5 6 7 8 074-113INTEGRATED CIRCUIT NJM4556LIC4 DesignatorsDescriptionPart # ICs Item # 1 RadioFans.CN 收音机爱 好者资料库 Page 8 Parts Lists - PCB3 Main 079-003 080-091 080-077 080-076 080-075 092-090 082-022 083-069 083-097 072-091

10、071-084 071-145 071-173 071-174 SILICON DIODE 1N4148 LIGHT EMITTING DIODE (RED) 3.15f LIGHT EMITTING DIODE (GREEN) 2.55 LIGHT EMITTING DIODE (YELLOW) 2.55 LIGHT EMITTING DIODE (RED) 2.55 PHONE JACK COMBINED 6.3f+XLR LEVER SW 4P3C PUSH SWITCH 2P2C L=12.5 PUSH SWITCH 4P2C L=12.5 SLIDE VR 45mm L=20 CH

11、VOL MASTER 10KA2 ROTARY VR 16f L=20 BOOTH CUE VOL 50KA2 ROTARY VR 16f L=20 TONE 50KE2 C.C ROTARY VR 16f L=20 MIC VOL 10KB ROTARY VR 16f L=20 MIC TONE 50KW C.C D4, D5, D7, D9 D1-3, D6, D8, D10, D11-15 Green 2.5x5 Yellow 2.5x5 Red 2.5x5 J11 SW11 SW5, SW7, SW9, SW12 SW13-15 VR5, VR10, VR15 VR20 VR6, VR

12、11, VR16 VR7-9, VR12-14, VR17-19, VR22-24 VR3, VR4 VR1, VR2 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 074-104 074-145 074-111 INTEGRATED CIRCUIT NJM4558LD INTEGRATED CIRCUIT NJM2068LD INTEGRATED CIRCUIT LB1412 IC2-14 IC1 IC15, IC16 DesignatorsDescriptio

13、nPart # ICs Item # 1 2 3 RadioFans.CN 收音机爱 好者资料库 PCB3 - Main Page 9 RadioFans.CN 收音机爱 好者资料库 PCB2 - Phono Page 10 RadioFans.CN 收音机爱 好者资料库 PCB1 - Input/Output Page 11 RadioFans.CN 收音机爱 好者资料库 IC4A 4556 IC4B 4556 R37 10 R38 10 C29 470/16 C30 470/16 R40 16K R39 16K C33 22 C32 22 R45 180 R41 180 C36 47/16

14、 C37 47/16 R47 100K R44 100K VR8A 50KAX2 VR8B 50KAX2 C35 1/16 C31 1/16 R48 47K R50 47K R53 47K R54 47K VR7A 20KBx2 VR7B 20KBx2 1 2 3 X11 R33 47 R32 47 C28472 C26 472 GRD PHONE R52 4K7 D13 LED R51 10K R49 10K +12V -12V -12V SW7A SW7B SW7C SW7D LVR4B 20KMNX2 R VR4A 20MNX2 VR3A 50KAX2 VR3B 10KAX2 1 2 3

15、 X31 2 3 X4 BALANCEBOOTH VR6A 10KAX2 VR6B 50KAX2 1 2 3 X5 MASTER R27 8K2 D6 LED +12V -12V SW2 MONO/STEREO 1 2 3 4 5 X12 R42 10K R43 10K IC3A 2068LD R47 470K R48 36K R44 47K R46 470 R49 820 C39 151 +12V -12V C42 222 C41 822 C43 22/16 IC3B 2068LD R40 470K R39 36K R41 47K R38 470 R43 820 C37 151 C35 22

16、2 C33 822 C38 22/16 C44 10/16 C36 10/16 R42 10K R50 10K R37 56 R45 56 C34 47/16 C40 47/16PH3/L3 J4A 1 2 3 4 5 6 X4 R68 2K2 C57 10/16 C56 101 L5 J6A R66 47K R69 12K R64 2K2 C54 10/16 C55 101 R65 47K R67 12K IC4A 2068LD R60 1K 1% R59 1K 1% R63 5K1 1% C53 101 J5 R57 56 R62 56 C51 47/16 C52 47/16 +12V -

17、12V R61 5K1 1% C50 101 C49 47/16R55 5K6 R56 1K R58 1K MIC 3 R53 2K2 C46 10/16 C48 101 L4 J4B R54 7K5 R51 2K2 C45 10/16 C47 101 R52 7K5 1 2 3 X5 IC5A 2068LD IC5B 2068LD C77 4.7/16 C74 4.7/16 R92 7K5 R85 20 R96 20 R99 7K5 C71 22/16 C76 22/16 +12V-12V J8B RECORD C79 47/16 C70 47/16 R101 910 R89 910 R95

18、 300 R94 150 R97 47K C75 22/16 Q2 2SC2878 R88 300 R87 150 R90 47K C72 22/16 Q1 2SC2878 BOOTH IC6A 2068LD IC6B 2068LD C88 4.7/16 C84 4.7/16 R108 7K5 R102 20 R115 20 R116 7K5 C81 22/16 C86 22/16 +12V-12V J8C C89 47/16 C82 47/16 R120 910 R109 910 R111 300 R110 150 R113 47K C85 22/16 Q4 2SC2878 R105 300

19、 R104 150 R106 47K C80 22/16 Q3 2SC2878 MASTER R114 4K7 R107 4K7 R98 4K7 R91 4K7 Q6 2SA1317 R121 680K C93 220/16 D1 1N4148 C91 4.7/16 D2 1N4148 +12V R86 10K R82 10K C69 10/16 C68 10/16 J8A 1 2 3 X11 1 2 3 X12 R74 2K2 C60 10/16 C61 101 L6 J6B R72 47K R75 12K R70 2K2 C58 10/16 C59 101 R71 47K R73 12K

20、1 2 3 X6 1 2 3 X7 J1 1 2 3 X1 R83 47K R84 47K J7B J7A R77 1K R76 1K C64 101 C63 101 C65 10/16 C62 10/16 1 2 3 X8 IC8A 4558LD IC8B 4558LD R125 10K R130 20 R118 20 R129 10K C92 22/16 C95 22/16 +12V-12V R119 10K R132 300 R123 150 R122 47K C90 22/16 Q5 2SC2878 R124 300 R131 150 R127 47K C96 22/16 Q7 2SC

21、2878 R103 10K J9 J10 R128 4K7 R126 4K7 Balanced Outs R81 200K R79 200K LOOP 1 2 3 X13 1 2 3 X9 OUT IN R112 100K R117 100K R93 100K R100 100K C78 47 C73 47 C8747 C83 47 SW1B SW1A 1 2 X10 MIC2 C67 10/16 C66 10/16 R80 1K R78 1K 1 2 3 X4 1 2 X19 1 2 3 4 5 6 7 8 9 X18 +12V -12V L5 MIC 3 L6 1 2 3 X17 +5V

22、+12V 1 3 2 T R S J11 MIC1 1 2 3 X37 J1 1 2 3 X1 PHONES I/O PCB R133 1K 1 2 3 X7 -12V +12V IC1A 2068LD R10 100K R11 8K2 R8 47K R13 470 R17 2K2 R12 180 C7 151 +12V -12V C10 822 C9 273 C11 47/16 IC1B 2068LD R4 100K R5 8K2 R3 47K R2 470 R7 180 C5 151 C3 822 C2 273 C6 47/16 C14 10/16 C16 101 C12 10/16 C4

23、 10/16 R6 10K R14 10K R1 56 R9 56 C1 47/16 C8 47/16 PH1 L1 J2A J2B 1 2 3 4 5 6 X2 R18 7K5 R15 2K2 C13 10/16 C15 101 R16 7K5 IC2A 2068LD R28 100K R29 8K2 R27 47K R30 470 R35 2K2 R31 180 C22 151 +12V -12V C26 822 C25 273 C27 47/16 IC2B 2068LD R22 100K R23 8K2 R21 47K R20 470 R25 180 C21 151 C19 822 C1

24、8 273C23 47/16 C30 10/16 C32 101 C28 10/16 C20 10/16 R24 10K R32 10K R19 56 R26 56 C17 47/16 C24 47/16PH2 L2 J3A J3B 1 2 3 4 5 6 X3 R36 7K5 R33 2K2 C29 10/16 C31 101 R34 7K5 PH2 PH PH LN X21X20 LN X23X22 2 1 3 4 6 5 7 9 8 10 12 11 SW3 1 2 3 4 5 6 X3 IC4B 4558LD R70 1K6 VR6B 50KAX2 C51 56P R51 1K6 VR

25、6A 50KAX2 C37 56P R78 33 C53 22/16 C48 22/16 IC4A 4558LD +12V R71 33 -12V 1 2 3 X15 1 2 3 X14 1 2 3 X16 C30 10/16 C42 10/16 R50 20K R69 20K 2 1 3 4 6 5 7 9 8 10 12 11 SW6 1 2 3 4 5 6 X7 IC7B 4558LD R114 1K6 VR11B 50KAX2 C81 56P R107 1K6 VR11A 50KAX2 C68 56P R126 33 C86 22/16 C77 22/16 IC7A 4558LD +1

26、2V R115 33 -12V C63 10/16 C72 10/16 R106 20K R113 20K 2 1 3 4 6 5 7 9 8 10 12 11 SW8 1 2 3 4 5 6 X9 IC11B 4558LD R168 1K6 VR16B 50KAX2 C115 56P R148 1K6 VR16A 50KAX2 C100 56P R180 33 C116 22/16 C109 22/16 IC11A 4558LD +12V R16933 -12V C95 10/16 C103 10/16 R147 20K R167 20K R59 3K6 R48 33K R49 1K5 R4

27、7 4K7 R52 33K R54 2K4 R65 1K5 R75 33 R42 33K R55 5K6 R57 8K2 R74 24K R77 33 C46 68 C47 154 C27 154 C32 562 C54 682 C33 103 VR9A 50KEX2 VR7A 50KEX2 VR8A 50KEX2 IC5A 4558LD C49 22/16 C55 22/16 +12V-12V R58 3K6 R46 33K R45 1K5 R644K7 R53 33K R39 2K4 R44 1K5 R43 33K R56 5K6 R63 8K2 R76 24K C43 68 C38 15

28、4 C45 154 C31 562 C56 682 C26 103 VR9B 50KEX2 VR7B 50KEX2 VR8B 50KEX2 IC5B 4558LD R102 3K6 R104 33K R105 1K5 R103 4K7 R92 33K R94 2K4 R111 1K5 R120 33 R90 33K R96 5K6 R98 8K2 R119 24K R122 33 C75 68 C79 154 C61 154 C65 562 C82 682 C66 103 VR14A 50KEX2 VR12A 50KEX2 VR13A 50KEX2 IC8A OASM C78 22/16 C8

29、7 22/16 +12V-12V R101 3K6 R100 33K R99 1K5 R1104K7 R93 33K R83 2K4 R91 1K5 R95 33K R97 5K6 R109 8K2 R121 24K C69 68 C67 154 C73 154 C64 562 C83 682 C60 103 VR14B 50KEX2 VR12B 50KEX2 VR13B 50KE IC8B OASM R155 3K6 R144 33K R145 1K5 R1434K7 R138 33K R150 2K4 R160 1K5 R172 33 R136 33K R151 5K6 R153 8K2

30、R171 24K R174 33 C110 68 C111 154 C92 154 C97 562 C117 682 C98 103 VR19A 50KEX2 VR17A 50KEX2 VR18A 50KEX2 IC12A 4558LD C113 22/16 C118 22/16 +12V-12V R154 3K6 R142 33K R141 1K5 R159 4K7 R149 33K R133 2K4 R140 1K5 R139 33K R152 5K6 R158 8K2 R173 24K C104 68 C101 154 C108 154 C96 562 C119 682 C91 103

31、VR19B 50KEX2 VR17B 50KEX2 VR18B 50KEX2 IC12B 4558LD C125 10/16 C131 10/16 R207 3K6 R209 33K R218 1K5 R2084K7 R197 33K R199 2K4 R213 1K5 R220 33 R193 33K R201 5K6 R203 8K2 R219 24K R221 33 C136 68 C138 154 C124 154 C128 562 C142 682 C129 103 VR24A 50KEX2 VR22A 50KEX2 VR23A 50KEX2 IC14A 4558LD C137 22

32、/16 C144 22/16 +12V-12V R206 3K6 R205 33K R204 1K5 R2124K7 R198 33K R186 2K4 R194 1K5 R200 33K R202 5K6 R211 8K2 C132 68 C130 154 C134 154 C127 562 C143 682 C123 103 VR24B 50KEX2 VR22B 50KEX2 VR23B 50KEX2 IC14B 4558LD IC1A 2068LD R28 30K 1% R24 1K 1% C23 101 R22 1K 1% C8 22/16 C12 22/16 R4 1K2 C11 2

33、2/16 +12V R23 100 C17 100/16 R30 100 C19 100/16 R19 30K 1% C16 101 IC1B 2068LD R13 30K 1% R20 1K 1% C9 101 R29 1K 1% C20 22/16 C5 22/16 R5 1K2 C13 22/16 R25 30K 1% C18 101 VR3 10KB VR4 10KB C15 47/16 IC2A 4558LD IC2B 4558LD R18 4K7 C14 33 C7 10/16 R26 33 R27 33 C21 100/16 C22 100/16 -12V +12V VR2 50

34、KW VR1 50KW C3 393 C4 393 R6 10K R17 10K C2 472 C6 472 R3 9K1 R1 6K8 C10 221 1 2 3 X1 MIC2 -12V 1 2 3 X2 MIC1 C1 22/16 VR5A 10KAX2 VR5B 10KAX2 VR10A 10KAX2 VR10B 10KAX2 VR15A 10KAX2 VR15B 10KAX2 IC9A 4558LD R125 30K C85 68 R170 33 C80 22/16 -12V R164 30K R176 33 C88 22/16 +12V IC9B 4558LD R124 30K C

35、84 68 R165 30K C89 10/16 C90 10/16 IC10A 4558LD R137 68K C94 68 R179 33 C107 22/16 -12V R177 33 C120 22/16 +12V 5 6 7 IC10B 4558LD R163 68K C112 68 C106 10/16 C102 10/16 R40 33K R41 33K R33 33K R34 33K R32 10K R31 20K R35 10K R36 20K R88 33K R89 33K R84 33K R85 33K R82 10K R81 20K R86 10K R87 20K R1

36、34 33K R135 33K R129 33K R130 33K R128 10K R127 20K R131 10K R132 20K R191 33K R192 33K R187 33K R188 33K R184 10K R189 10K SW12 R210 5K1 D10 LED +12V IC13B 4558LD R215 3K9 VR21B 50KBX2 R216 1M C140 56 IC13A 4558LD R195 3K9 VR21A 50KBX2 R196 1M C12656 R185 33K R214 33K C135 22/16 C141 22/16 R222 33

37、R217 33 +12V -12V VR20A 10KAX2 VR20B 10KAX2 L1 R1 L2 L3 L4 R2 R3 R4 C114 10/16 C93 10/16 R11 36K R12 36K R9 180K R10 180K IC3A 4558LD R37 30K C28 68 R61 33 C40 22/16 -12V R62 33 C41 22/16 +12V IC3B 4558LD R38 30K C29 68 C24 10/16 C25 10/16 C35 10/16 C36 10/16 IC6A 4558LD R68 15K C52 68 R79 10 C58 22

38、/16 -12V R72 10 C57 22/16 +12V IC6B 4558LD R73 15K C50 68 R66 15K R67 15K D4 1N4148 D5 1N4148 D7 1N4148 D9 1N4148 2 4 3 1 SW1A TALKOVER R2 47K 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 LB1412 IC16 LB1412 1 2 3 4 5 6 RP2 2K2X5 LEDBAR2 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

39、 22 LB1412 IC15 LB1412 1 2 3 4 5 6 RP1 2K2X5 LEDBAR1 -12V R227 5K6 C145 4.7/16 C148 1/16 R231 82K C149 4.7/16 -12V R232 5K6 C151 4.7/16 C150 1/16 R229 82K C147 4.7/16 C152 22/16 R233 1M C146 22/16 6 8 7 5 SW1B TALKOVER R16 4K3 +12Vc D1 LED 10 12 11 9 SW1C TALKOVER 14 16 15 13 SW1D TALKOVER SW9 R156

40、5K1 D8 LED +12V SW7 R108 5K1 D6 LED +12V SW5 R60 5K1 D3 LED +12V 2 1 3 4 6 5 7 9 8 10 12 11 SW13 D12 LED a -12V D13 LED D14 LED D11 LED LRCUEPGM R224 150K R225 150K 1 2 3 X5 C44 10/16 C34 10/16 C70 10/16 C62 10/16 C105 10/16 C99 10/16 C76 10/16 C71 10/16 R223 24K 1 2 3 4 5 X12 L1L2L3L4L1L2L3L4 R1R2R

41、3R4R1R2R3R4 C139 10/16 C133 10/16 2 1 3 4 6 5 7 8 10 9 11 12 14 13 15 16 SW11 1 3 L5 MIC 3 L6 R80 5K6 R157 5K6 C122 10/16 C121 10/16 SW4ASW4BSW10ASW10B R7 100K R8 100K R14 100K R15 100K R21 100K R112 100K R116 100K R117 100K BC1 BC2 BC3 BC4 SW4CSW10C BC1 BC2 BC3 BC4 X8 SW15BSW15A SW15C SW14CSW14A SW

42、14B D2 LED D15 LED ba c b R236 100K R235 100K -12V -12V R183 20K R190 20K 1 2 3 4R4L4 R230 20K R234 20K L4 R4 2 4 X6 PLUG04X11 PLUG02 F OR BITCOUNTER D7 1N4002 C101 100/25 D3 1N4002 D4 1N4002 D5 1N4002 D6 1N4002 C99 1000/25 C98 1000/25 1 2 X17 C100 103 C102 103 C94 1/16 C97 1/16 +12V -12V X14 -12V +12V GND Vin 1 GND 2 +12V 3 IC7 7812 Vin 2 GND 1 -12V 3 IC9 7912 1 2 3 X15 LIGHT POWER 1 2 X16 C103 1/16 1 2 3 X18 Vin 1 GND 2 +5V 3 IC10 7805 +5V SW110-220 FU1 0.5A POWER SW AC 220/110 V C312 103 T1 TR05 1 2 3 X50 1 2 X51 S4 C117 CAP AC AC GND Schematic RadioFans.CN 收音机爱 好者资料库