Gemini-BPM250-mix-sm维修电路原理图.pdf

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1、Page 1 SERVICE MANUAL BPM-250 Stereo Preamp Mixer CONTENTS: Connections BOOTH,BAL,MASTER,CUE KNOB INLAY (RED); GAIN KNOB INLAY (GRAY); HIGH,MID,LOW VR INLAY PLATE LED PLATE DISPLAY (SMALL) HOLDER LED HOLDER BUSHING LED HOLDER LED 3f (17mm) HOLDER LED 3f (7mm) PROTECTOR PLATE FOR 115/230V SWITCH PAD

2、FOOT GND SCREW VR DUST PROOF CLOTH (SMALL) VR DUST PROOF CLOTH SWING DUST PROOF CLOTH BNC DUST PROOF CLOTH PCB SUPPORT SCREEN SPACER EVA PAD SNAP RIVET DRYER PAN-HEAD MACHINE SCREW; PMS 2X4(B) PAN-HEAD MACHINE SCREW; PMS 2.6X4(B) BAND-HEAD TAPPING SCREW/TW-E; BTB-3/TW-3 3X6(AB) BAND-HEAD TAPPING SCR

3、EW; BTS-3 3X5(AB) BAND-HEAD TAPPING SCREW; BTS-3 3X6(AB) BAND-HEAD TAPPING SCREW; BTS-3 3X10(AB) BAND-HEAD TAPPING SCREW/TWIN SCREW; BTS-2 3X8(AB) TWIN FLAT-HEAD TAPPING SCREW; FTS-3 3X6(AB) FLAT-HEAD TAPPING SCREW; FTS-3 3X12(AB) NUT/WASHER 3mm BAND-HEAD MACHINE SCREW; BMS 3X2X4 162-823 162-975 162

4、-978 162-979 162-980 PRINTED CIRCUIT BOARD PC626-1; IN/OUT PRINTED CIRCUIT BOARD BPM250-2; (94V0 203.5241.5mm) PRINTED CIRCUIT BOARD BPM250-5; LINE/PHONO PRINTED CIRCUIT BOARD BPM250-7; BIT PRINTED CIRCUIT BOARD BPM250-8; BIT DISPLAY (CEM-1 41166mm) DescriptionPart # Printed Circuit Boards Item # 1

5、2 3 4 5 RadioFans.CN 收音机爱 好者资料库 Page 6 Parts Lists - PCB1 Input/Output 079-003 161-105 SILICON DIODE 1N4148 4P RCA JACK A104, A105 A1, A2, A3, A4 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 076-095 076-104 TRANSISTOR 2SC2878 TRANSISTOR 2SA1048 (2SA1317) A80, A84, A96, A76 A21, A51, A119

6、 DesignatorsDescriptionPart # Transistors Item # 1 2 074-104INTEGRATED CIRCUIT NJM4558LA21, A51, A119 DesignatorsDescriptionPart # ICs Item # 1 Parts Lists - PCB2 Main 076-094 079-025 082-019 083-069 083-097 083-076 081-004 072-091 072-097 071-103 071-084 071-136 071-145 092-078 092-090 080-091 080-

7、090 080-077 080-076 080-075 TRANSISTOR DTC114TS ZENER DIODE 1/2 W 10V LEVER SWITCH 4P2C PUSH SWITCH 2P2C L=12.5 PUSH SWITCH 4P2C L=12.5 3KEY PUSH SWITCH 2P2C L=12.5 P=15mm SLIDE SWITCH SLIDE VR 45mm L=20 10KA2 SLIDE VR 30mm L=15 10KB2 ROTARY VR 16f L=20 50KB2 ROTARY VR 16f L=20 50KA2 ROTARY VR 16f L

8、=20 20KMN2 C.C ROTARY VR 16f L=20 50KE2 C.C PHONE JACK 6.3f PHONE JACK 6.3f+ XLR LIGHT EMITTING DIODE (RED) 3.15f LIGHT EMITTING DIODE (GREEN) 55 LIGHT EMITTING DIODE (GREEN) 2.55 LIGHT EMITTING DIODE (YELLOW) 2.55 LIGHT EMITTING DIODE (RED) 2.55 Q301, Q401, Q501, Q601 D902 SW102, SW302, SW502 SW401

9、 SW601 SW501-503 SW101 VR310-312 VR501 VR201-203 VR402, VR404 VR502 VR403 VR301-303 PJ1 J101 Red 3.15 Green 5x5 Green 2.5x6.5 Yellow 2.5x6.5 Red 2.5x6.5 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 074-104 074-113 074-111 INTEGRATED CIRCUIT

10、NJM4558L INTEGRATED CIRCUIT NJM4556L INTEGRATED CIRCUIT LB1412 IC201-204, IC301-303, IC401-404, IC501 IC502 IC601-602 DesignatorsDescriptionPart # ICs Item # 1 2 3 RadioFans.CN 收音机爱 好者资料库 PCB2 - Main Page 7 RadioFans.CN 收音机爱 好者资料库 PCB1 - Input/Output Page 6 RadioFans.CN 收音机爱 好者资料库 IC101A 4558L C105

11、222 C106 822 R104 36K R105 470K R102 820 R106 100 R103 47K R107 220K R114 220K C103 22/25 C104 47/16 C107 47/16 C112 822 C111 222 R112 470K R111 36K R113 100 C114 47/16 C113 47/16 IC101B 4558L C102 100P C109 100P R110 47K R109 820 C110 22/25 R101 2K2 R108 2K2 C101 4.7/25 C108 4.7/25 L.CH R.CH IC102A

12、 4558L C118 822 C119 223 R118 8K2 R119 100K R116 180 R117 47K R121 2K2 R127 2K2 C116 47/16 C117 47/16 C123 223 C122 822 R126 100K R125 8K2 R128 100 C124 47/16 IC102B 4558L C115 100P C120 100P R124 47K R123 180 C121 47/16 R115 1K R122 1K L.CH R.CH R120 100 C125 100P C126 100P R129 2K2 R130 2K2 R.CH L

13、.CH IC103A 4558L C130 822 C131 223 R134 8K2 R135 100K R132 180 R133 47K R137 2K2 R143 2K2 C128 47/16 C129 47/16 C136 223 C135 822 R142 100K R141 8K2 R144 100 C134 47/16 IC103B 4558L C127 100P C132 100P R140 47K R139 180 C133 47/16 R131 1K R138 1K L.CH R.CH R136 100 C137 100P C138 100P R145 2K2 R146

14、2K2 R.CH L.CH R147 47K R152 47K R149 220 R153 220 C140 10/25 C139 10/25 Q1012SC2878 Q1022SC2878 R151 4K7 R155 4K7 R150 220 R156 220 R148 68K R154 68K R.CH L.CH R157 47K R161 47K R158 220 R162 220 C142 10/25 C141 10/25 Q1032SC2878 Q104 2SC2878 R160 4K7 R163 4K7 R159 220 R164 220 R.CH L.CH R165 1K R16

15、6 1K R.CH L.CH Q105 DCT124TS C143 4.7/25 C144 220/16 R167 680K D101 IN4148 D102 IN4148 SW101 PHLN 1 PHONEJACK1 R209 27K R257 27K R215 2K R210 2K IC202B 4558L 27K R214 C209 22P SW201-1 CHANNEL 1 C210 47/16 R201 5K1 R205 5K1 C201 10/25 C206 10/25 IC201B 4558L IC201A 4558L C204 47/16 C205 47/16 VR201-1

16、 R202 510 R203 4K3 R206 510 R207 4K3 R204 100 R208 100 C202 22P C207 22P SW202 CHANNES 2 5 6 7 R216 33K R220 33K C213 10/25 C218 10/25 IC203B 4558L IC203A 4558L C216 47/16 C217 47/16 VR202-1 R217 4K7 R221 4K7 R218 100 R219 100 C214 22P C220 22P C203 10/25 C208 10/25 C215 10/25 C219 10/25 SW203 CHANN

17、EL 3 8 9 10 R222 33K R226 33K C221 10/25 C226 10/25 IC204B 4558B IC204A 4558L C224 47/16 C225 47/16 VR203-1 R223 4K7 R227 4K7 R224 100 R225 100 C222 22P C228 22P C223 10/25 C227 10/25 C212 47/16 C211 47/16 R211 100 R213 10K R212 100 IC202A 4558L R301 3K6 R310 8K2 R302 1K5 R305 4K7 R307 30K R303 1K5

18、R309 30K C301 154 C302 154 C305 103 C303 22P R306 2K4 R304 30K R308 5K6 VR302-1 50KEx2 VR301-1 50KEx2 VR303-1 50KEx2 C304 562 IC301A 4558L 1k5 1K R315 8K2 R323 3K6 R320 4K7 R319 2K4 R321 1K5 R316 30K C316 154 C315 154 C312 682 C314 22P R318 30K R322 30K R317 5K6 TREBLE BASS MIDDLE C313 562 IC301B 45

19、58L R311 100 R314 100 C310 682 C307 682 C308 47/16 C309 47/16 R312 24K R313 24K R325 3K6 R334 8K2 R326 1K5 R329 4K7 R331 30K R327 1K5 R333 30K C317 154 C318 154 C321 682 C319 22P R330 2K4 R328 30K R332 5K6 VR305-1 50KEx2 VR304-1 50KEx2 VR305-1 50KEx2 C320 562 IC302A 4558L R347 1K5 R339 8k2 R348 3K6

20、R344 4K7 R343 24K R345 1K5 R340 30K C332 154 C331 154 C328 682 C330 22P R342 30K R346 30K R341 5K6 TREBLE BASS MIDDEL C329 562 IC302B 4558L R336 100 R337 100 C326 103 C323 103 C324 47/16 C325 47/16 R335 24K R338 24k R349 3K6 R358 8K2 R350 1K5 R353 30K R355 30K R351 1K5 R357 30K C333 154 C334 154 C33

21、7 682 C335 22P R354 2K4 R352 4K7 R356 5K6 VR308-1 50KEx2 VR307-1 50KEx2 VR309-1 50KEx2 C336 562 IC303A 4558L R372 1K5 R363 8K2 R371 3K6 R368 4K7 R367 2K4 R370 1K5 R364 30K C348 154 C347 154 C344 682 C346 22P R366 30K R369 30K R365 5K6 TREBLE BASS MIDDLE C345 562 IC303B 4558L R360 100 R362 100 C340 1

22、03 C339 103 C341 47/16 C342 47/16 R359 24K R361 24K C343 10/25 C338 10/25 C322 10/25 C327 10/25 C306 10/25 C311 10/25 CHANNEL 1 LEVEL VR311 CHANNEL CHANNEL LEVEL -15V +15V +15V -15V -15V+15V GND INPUT SELECTY CH1 GAIN R258 220K 1 2 3 45 6 7 8 1 2 3 4 8 5 6 7 CH2 GAIN 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 VR

23、310 LEVEL VR312 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 2 3 PH-1/LN1 MASTER OUT PH-2 PH-3 LN-2 LN-3 REC OUT BOOTH OUT INPUT P C B MAIN P C B CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN8 CN9 CN10 CN11 1 2 3 45 6 7 8 1 2 3 45 6 7 8 50KBx2 VR201-2vr201-2 SW201-2 50KBx2 VR202-2 CH3 GAIN 50KBx2 VR203-2 VR301-

24、2 VR302-2 VR303-2 VR304-2 VR305-2 VR306-2 VR307-2 VR308-2 VR309-2 Q401 DTC114 Q402 DTC114 R404 RES11 R405 1K8 LED401 ZD401 2/1W 10V R402 56K R403 6K2 C401 4.7/16 SW401 R401 12K R406 51K R407 33K R408 33K R410 12K R409 12K Q403 DTC114 Q404 DTC114 R425 1K8 R426 1K8 R427 51K R428 33K R429 33K R431 12K

25、R430 12K R423 5K1 R438 5K1 VR401 100KB R439 5K1 R424 5K1 C402 1/50 IC401A 4558L IC401B 4558L R412 100 R413 100 C406 47/16 C405 22/25 C404 47/16 C403 33P R411 51K R414 5K1 IC402A 4558L IC402B 4558L R433 100 R435 100 C415 47/16 C414 22/25 C413 47/16 C412 33P R432 51K R434 5K1 C411 1/50 R501 5K1 R502 5

26、K1 LED501 SW501-1 R503 3K R504 5K1 R505 5K1 LED502 SW502-1 R506 3K R507 5K1 R508 5K1 LED503 SW503-1 R509 3K R510 5K1 R511 5K1 SW501-2 R512 5K1 R513 5K1 SW502-2 R514 5K1 R515 5K1 SW503-2 C506 10/25 C503 10/25 C501 47/16 IC501A 4558L C504 47/16 C502 22P R517 3K3 R518 100 R516 100 IC501B 4558L C505 22P

27、 R519 3K3 VR501-1 VR501-2 10KBx2 C507 220/16 C515220/16 C508 10/25 C516 10/25 VR502-1 CUE LEVEL VR502-2 50KAx2 R520 100K R526 100K C518 1/50 C509 1/50 C512 47/16 C514 47/16 R524 1K R525 1K IC502A 4558L IC502B 4558L R527 47 C517 33P C513 33P R523 47 R522 33 C511 47/16 C510 47/25 R521 33 R528 47 C519

28、102 C520 102 R529 47 PHONE JACK R415 5K1 R436 5K1 C407 47/16 C416 47/16 VR402 50KAx2 BALANCE 20KMNx2 VR403 IC403A 4558L MASTER 50KAx2 C408 2.2/50 C409 47/16 C410 47/16 R418 100K R416 1K R417 7K5 R421 33 R422 33 IC403B 4558L VR404 C417 2.2/50 R437 100K R419 1K R420 7K5 IC404A 4558L C418 2.2/50 C420 4

29、7/16 R442 100K R440 1K R441 7K5 R446 33 R447 33 IC404B 4558L C421 2.2/50 R445 100K R443 1K R444 7K5 C419 47/16 LED605-616 PR601 1Kx5 1 2 3 4 5 6 7 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 R607 36K R608 5K6 C604 4.7/25 C603 1/50 LED617-628 PR602 1Kx5 1 2 3 4 5 6 7 8 9 10 1112 13 14 15 16 17 18 19 20

30、 21 22 R609 36K R610 5K6 C606 4.7/25 C605 1/50 C607 2.2/50 R611 1M 0.5A FUSE R601 120K R602 120K R603 120K R604 120K R605 6K2 R606 6K2 C602 4.7/25 C601 4.7/25SW601-1 LED601 LED602 LED603 LED604 C701 1/50 C702 1/50 C703 1000/25 C704 1000/25 D701-705 IN4002x5 C706 223 C707 223 7815 7915 C705 220/16 R7

31、01 6K2 C708 472/500V SW701 110V/220V SW LED701 IN OUT 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 CROSSF ADER BOOTH CUE SELECT LB1412 LB1413 0 +1 +3 +5 +6 -1 -20 -15 -10 -7 -5 -3 G IN AD DI DET RST VCC IST OSC VZ -20 -15 -10 -7 -5 -3 -1 0 +1 +3 +5 +8 0 +1 +3 +5 +8 -20 -15 -10 -7

32、-5 -3 -1 G IN AD DI DEF RST VCC IST OSC VZ -20 -15 -10 -7 -5 -3 -1 0 +1 +3 +5 +8 220V 50HZ POWER TRANSFORMER IC701 IC702 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 CUE PGM SW402-1 SW402-2 SW403-1 SW403-2 CH2 PUNCH CH3 PUNCH SW601-2 SW601-2 SW601-2 SW601-2 SW601-2 AC IN PUT JACK 110V 60HZ IC601 IC602 R908 100K R909 100K IN CH2 BIT R910 100K R911 100K BIT IN CH3 +15V +15V +15V +15V +15V +15V +15V +15V +15V +15V +15V LAMP 12V +15V -15V 7805 +5V +5V D910 1N4002 C912 1/16 C913 2200/16 BPM-250 C1 472/400V CHASIS GROUND SW01 GROUND LIFT PCB BPM250-7BPM250-8 PCB +5V Schematic RadioFans.CN 收音机爱 好者资料库