Biamp-CMA350-mix-sch 电路图 维修手册.pdf

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1、TM ? ?. ? ? ? ? ? ? RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 C16 R70 C18 C B E Q13 R71 D10 D11 R30 + C15 PR2 R69 R68 C19 C20 R67 PCBUTC22 R21 D25 D24 COMPONENT SIDE R54 R56 R65 D19 R61 R58 R59 T3T2 D17 R2 R43 Q18 R4 D2 R35 Q7 C B E R3 R5 R37 R36 C8 C3 R19 R11 D15 D12 R

2、25 D13R26 D14 T1 R52 C12 R44 R42 R41 IC1 R51 R47 R50 D18 K R53 Q19 R45 Q20 R49 R48 C B E Q2 R24 Q9 EB C R28 R29 R34 R10 PR1 C6 R12 R39 R20 C7 Q12 C B E R33 Q14 C B E Q16 CB E Q17 C B E C10 + R40 R38 E B C Q10 CBE Q15 R23 CON2 1 CON3 1 E B C -CL A5 -70V -DRV 0VP G O/P A4 +70V +CL +DRV X1 X2 CON1 1 R9

3、 R15 R16 R22 Q6 C B E R31 R32 C4 C5 Q8CB E R13 R8 Q11 E B C C B E Q4 R7 R6 C1 R1 C BE Q1 C11 R46 D21 R60 Q21 R57 Q22 KD23 IC2 R66 R64 R62 R63 R55 C B E Q5 D9 C B E Q3 9809035-2 C17 R14 R17 R18 R27 + C2 D1 D3 D4 D7 D5 D6 D8 D16 D20 D22 + C9 C14 + + C13 125.2mm REDUCE TO 84.5mm MATERIAL:-FR4-D/S-PTH P

4、CB SIZE:-125.2 x 84.5mm PCB NO- 9809035-2 DATE:19/05/99 ALL DIM ARE IN MM FILE NAME:C:PCB1UNICMA350DRIVER-2.PCB R71 N.F. R70 N.F. 50K PR2 R67 56K R69 220K R68 220K 1N4148 D24 1N4148 D25 0VA 10uF/50V C18 10uF/50V C19 CON2 1 2 3 4 5 6 7 DRN BY ENGG SIGN DESCRIPTIONDATEREV. N.F. PR1 R30 680R R37 330R R

5、36 47K R34 270R R29 1.5K,1% R28 1.5K,1% R32 6.8K,1% R31 6.8K,1% R24 # R27 N.F. R21 680R R9 680R R19 3K,1% R20 56K,1% R22 2K,1% R11 15K,1% R10 68R R3 1K,1% R13 470R R12 470R R18 10K R17 LINK R7 27K R8 15K,1% R5 1K,1% R6 27K R1 1.2K R2 100K R4 100K Drawn by:- Title:- Drg.Number:- Date:- Filename:- Rev

6、Size OfSheet PCBNO DES BY APPDBY MODEL 47n/200V C1 47n/100V C3 47n/200V C2 # C4 47n/200V C5 330pF C8 N.F. C6 D2 400mW,33V-5% 1N4148 D3 1N4148 D1 1N4148 D4 1N4148 D7 1N4148 D8 D9 400mW 1N4148 D12 1N4148 D15 1N4148 D10 D11 400mW,3V3 Q2 MPSA42 MPSA92 Q1 MPSA92 Q4 Q7 2SA970 Q8 2SA970 BC549 Q6 Q9 MPSA42

7、BC559 Q10 Q3 MPSA42 Q5 MPSA42 MPSA92 Q15 MPSA92 Q13 Q11 MPSA42 R40 2.2KR38 24K R39 470R R35 10K R33 10K 1nF C7 1000u/6.3V C10 + 10uF/63V C9 + Q14 BC550 Q17 BC550 BC560 Q16 BC560 Q12 CON1 1 2 3 4 5 6 7 R16 200R R23 200R D5 1N4148 D6 1N414833K R14 12K R15 15nF C16 D14 1N4148 D13 1N414833K R25 12K R26

8、15nF C17 22uF/50V C20 R13 & R23 VALUE CHANGED FROM 220R TO 200R 30/11/2001 9809035-2 REV-3 DT-17/02/2000 MARKED TRACK ARE HIGH VOLTAGE R18 VALUE CHANGED FROM 10K TO 5.6K C18 VALUE CHANGED FROM 22uF TO 10uF C19 VALUE CHANGED FROM 22uF TO 10uF SPS NP NP CON4 TO AMP PCB CON6 TO AMP PCB E B C -CL A4 -70

9、V -DRV 0VP G +CL O/P A4 +DRV +70V DRIVER.S01 DRIVER PCB Shrikant 3V3 SCHEMATIC FOR DRV PCB 9809034 12 CMA350 NP FUSIBLE R15 VALUE CHANGED FROM 6.2K TO 12K R26 VALUE CHANGED FROM 6.2K TO 12K SPS 48/6/00 ECO # 0006010 R54,R56,R58,R59,R63,R66 VALUE & TOLERANCE CHANGED 5 08/07/00 R18 AND R67 VALUE CHANG

10、ED SPS 6 630/11/01 R70 & 71 NOT FITTED +15V -15V 0VA AMP IN 0VP CONTROL 0VREF 0VREF 0VREF 0VP +80V OUT -80V 0VP 0VREF 0VP +24V 0VP -70V +70V 0VP 0VP 0VREF ABCD 4 3 2 1 DCBA 1 2 3 4 DRN BY ENGG SIGN DESCRIPTIONDATEREV. N.F. R57 56K R60 BC549 Q21 1N4148 D21 8.1V D19 220R,1/2W R51 IC2:B 4560 8 4 7 - 6

11、+ 5 D20 1N4148 R63 150R,1% C14 33uF/35V(N.F.) + C13 33uF/35V + C15 10uF/63V + R66 500R,1% R64 1M R61 1K R58 39K,1% R59 14K,1% T2 T3 R55 4.7M R52 1M R56 390R,1% R54 10K,1% T1 15K R62 BC549 Q22 D23 R65 2K D22 1N4148 4560 IC2:A + 3 - 2 1 C12 470nF/63V MODEL APPDBY DES BY PCBNO SheetOf SizeRev Filename:

12、- Date:- Drg.Number:- Title:- Drawn by:- D16 1N4148 R42 15K R41 22K R44 3.3M R46 2.2MC11 470nF/63V IC1:B 4093 4 5 6 IC1:D 40931 4 11 12 13 7 4093 IC1:A 2 1 3 CON3 13 12 11 10 9 8 7 6 5 4 3 2 1 1K R43 27K R48 150K R49 4.7K R45 15K R47 1K R50 10K R53 D17 75V D18 RED Q18 MPSA92 BC549 Q20 BC549 Q19 SPS

13、30/11/016 30/11/2001 6 REV-4 DT-8/6/00 R66 VALUE WAS 470R,1/4W R63 VALUE WAS 150R,1/4W R59 VALUE WAS 14K,1/4W R58 VALUE WAS 39K,1/4W R56 VALUE WAS 1.2K,1/4W R54 VALUE WAS 33K,1/4W ECO NO # 0006010 SPS8/6/00 4 CMA350 THERMAL TEMP.CONTROL VREF VERF FAN CKT (TEMP.CONTROL) 2 2 SCHEMATIC FOR DRV PCB OVD

14、A3 9809034 SPS DRIVER.S02 TO AMP PCB FAULT PSU FAULT MARKED TRACK ARE HIGH VOLTAGE 9809035-2 507mV 564mV R18,R54,R56,R58,R59,R63,R66,R67 VALUE & TOLERANCE CHANGED R18 VALUE WAS 5.6K,1/4W R67 VALUE WAS 220K,1/4W REV-5 DT-8/7/00 4 R18 & R67 VALUE CHANGED 8/7/00SPS SEE ON PAGE 1 OF 1 CONTROL PROTECT +1

15、5V 0VD +8V 0VD +15V +15V -15V 0VD TEMP 0VD +15V +15V TH-FAN +15V 0VD 0VD 0VD 0VD +8V CONTROL 0VD +8V +8V -15V +15V TEMP TH-FAN PROTECT +80V -80V 0VD +24V 0VREF AMP IN OUT 0VA CONTROL 0VD 0VD -70V +15V +70V ABCD 4 3 2 1 DCBA 1 2 3 4 PCBUTC12 C11 R9 T6 CON2 1 R3 R2 C3 R7 R14 C30 + 1 CON6 F1 + C26 C29

16、+ WITH SAME TYPE AND RATING REG2 F7 CON7 CON8 CON10 COMPONENT SIDE Q4 T1A/250V UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPEATTENTION CAUTION: T1A/250V T800mA/250V T800mA/250V T5A/250V T5A/250V REPLACE FUSE Q8 B E E B Q11 E B Q3 Q12 B E E B Q2 Q7 B E CON9 1 R12 1 CON12 D2 C7 + C2 + D1 R13 R6 TX. COM

17、OUTPUT AC AC BR2 CHASSIS C22 C23 C28 + BR3 - C27 F6 C34 + T8 F4 R10 C20 F3 C10 - + T3 G 1 Q6 -70V 0VP OUTPUT +70V 1 CON3 R1 R5 C4 L1 R4 +DRV +CL +70V A4 O/P G 0VP B E B C Q5 E B C -CL A5 -70V -DRV CON4 1 C12 T4 C16 + C21 D4 F2 C13 - BR1 + C9 C19 C18 F5 C15 T7T5 9810007-2 1 CON5 H/S2 H/S1 H/S3 R8 FAN

18、1 FAN2 T1A250V C5 1 CON1 C31 C6 C1 C32 - BR4 + C24 + Q10 CON11 1 REG1 + C25 T9 D3 C8 + C33 + REG3R11 ZX4 ZX3 ZX5 ECB Q1 Q9 B C E slot 8.5x1.5 C17 + + C14 slot 8.5x1.5 REDUCE TO 237 mm 187.5mm FILE NAME:C:PCB1UNICMA350MAINAMP5.PCB ALL DIM ARE IN MMDATE:24/07/00 PCB NO-9810007-2 MATERIAL:-FR4-D/S-PTH

19、PCB SIZE:- 237 x 187.5 mm CON1 5 4 3 2 1 470pF C32 CON5 1 2 3 4 5 6 7 8 9 10 11 12 13 CON6 1 2 3 4 CON3 7 6 5 4 3 2 1 CON4 7 6 5 4 3 2 1 MODEL APPDBY DES BY PCBNO SheetOf SizeRev Filename:- Date:- Drg.Number:- Title:- Drawn by:- R3 0R33,7W R2 0R33,7W R8 0R33,7W R6 10R,1W R7 0R33,7W R1 10R,1W N.F. C3

20、 N.F. C5 REV.DATEDESCRIPTION SIGN ENGG DRN BY Q4 2SD1763 Q1 ME15030 Q2 MJ21194 Q3 MJ21194 MJE15031 Q9 MJ21193 Q7 MJ21193 Q8 Q5 BC549 CON2 3 2 1 BTB24-400 Q6 1 G 2 T3 L1 3uH R4 10R,1W D2 1N4004 D1 1N4004 100nF C6 100nF C4 100nF C1 C2 22uF/100V + 22uF/100V C7 + 4.7R,3W R5 Q11 MJ21194 R13 0R33,7W R14 0

21、R33,7W MJ21193 Q12 470pF C31 30/11/01 SPS SPS Q7,Q8 & Q12 TRANSISTOR TYPE CHANGE FROM MJ15023 TO MJ21193 Q2,Q3 & Q11 TRANSISTOR TYPE CHANGE FROM MJ15022 TO MJ21194 30/11/013 3 CMA-350 9810007 NC TO BARGRAPH PCB FROM DRV FROM DRV 2 9810008 SCHEMATIC FOR AMP PCB POWER AMPLIFIER (VT) (VT) (VT) (VT) Shr

22、ikant 1AMP.S01 TO MAIN LOOM TO MIX AMP PCB J7 TO DRV PCB TO O/P SEL SW MARKED TRACK ARE HIGH VOLTAGE 217/02/2000 Q1 CHANGED FROM 2SC4793 TO MJ15030 AND Q9 FROM 2SA1837 TO MJE15031 -70V +70V 0VA OUT AMP IN 0VREF +24V +24V PROTECT OUT 0VD TEMP 0VD 0VP 0V 0VD -80V +80V PROTECT TH-FAN TEMP +15V -15V +15

23、V -15V 0VP OUTPUT 0VP 0VP 0VP OUT 0V +24V -15V +15V ABCD 4 3 2 1 DCBA 1 2 3 4 CON10 2 1 C17 10000uF/100V + C14 10000uF/100V + R11 33E,5W C16 330nF,250V T4 T9 C10 330nF,250V C15 330nF,250V C12 330nF,250V KBPC3504W BR2 CON8 3 2 1 T1A/250V F7 PB206 BR4 - + A C A C 2200uF/50V C33 + REG3 LM7824 GND VINVO

24、UT C30 100uF/25V + C25 100uF/25V + C29 3300uF/35V + C26 3300uF/35V + 100nF/250V C19 100nF/250V C18 100nF/250V C13 100nF/250V C9 MODEL APPDBY DES BY PCBNO SheetOf SizeRev Filename:- Date:- Drg.Number:- Title:- Drawn by:- BR1 PB206 A C A C + - BR3 PB206 A C A C + - F3 T1A/250V F5 T800mA/250V F6 T800mA

25、/250V F2 T1A/250V LM7815 REG1 VOUTVIN GND LM7915 REG2 VOUTVIN GND CON7 1 2 3 CON9 2 1 Q10 2SD1763 12K R12 C8 1000uF/25V + 10K,1W R10 10K,1W R9D3 1N4004 T6 C21 1000uF/25V + F1 T5A/250V C11 100nF C20 100nF D4 1N4004 F4 T5A/250V T8 T7 T5 100nF/100V C23 100nF/100V C22 100nF/100V C27 100nF/100V C28 C34 1

26、00uF/63V + C24 100uF/63V + CON11 2 1 CON12 2 1 MARKED TRACK ARE HIGH VOLTAGE 9810007 TO TX.56V TO TX. 56V 19V AC 19V AC 64V AC 64V AC 9810008 FROM MIX AMP J4 2 2AMP.S02 SCHEMATIC FOR AMP PCB 0V 24VAC Shrikant + - CHASSIS TO AMP TO AMP TO O/P SEL SW TO O/P TX. + - AC AC FROM TFR COM TO FAN 1 TO FAN 2 N.F. CMA350 3 30/11/01 +80V +30V +24V +15V 0VP -15V 0V FAN +30V TH-FAN 0V FAN +70V -70V 0VA 0VREF 0VD 0V 0V FAN 0VP -80V AMP IN 0VA ABCD 4 3 2 1 DCBA 1 2 3 4