Crest-FCV220-pwr-sch维修电路原理图.pdf

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1、FCV 220 & FCV 440 Series power amplifiers Schematic set 1. Preamp driver 2. Preamp driver OTA 3. Power supply interconnects 4. Power supply and fan driver 5. Output stage 6. NexSys preamp driver 7. NexSys power supply 8. NexSys output stage RadioFans.CN 收音机爱 好者资料库 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD

2、CC BB AA NOTE 1: NOTE 2: NOTE 3: R3,R4 R21,R24,R25,R28 R29,R30 FCV440 = 13.75K/1% FCV220 = 15.1K/1% FCV440 = 27.18K/1% FCV220 = 19.6K/1% FCV440 = 680/10W FCV220 = 520/10W R7, R8 CHANGED FROM 4.7K TO 2.7K ON 4/8/92 21B1241 PREAMP/DRIVER FCV220/FCV440 CREST AUDIO INC. 150 Florence Avenue B 11Thursday,

3、 May 18, 2000 Hawthorne, NJ 07506 Title SizeDocument NumberRev Date:Sheetof CH A OUT CH B OUT CH A MODULE CH B MODULE SUPPLY GND SUPPLY GND R17100 C20 330pF C19 330pF R15 100 + - IC2B STK3152 15 14 13 12 1011 + - IC2A STK3152 1 2 8 7 3 4 9 65 C23 150pF R9470 + - IC1A NE5532 3 2 1 84 R10470 + - IC1B

4、NE5532 5 6 7 C13 0.47/250V R5 100K R1 90.9K/1% R14 100K/1W/2% R13100K/1W/2% R16100 R26 10K/1% R27 10K/1% Z3 1N5359 R6 100K R24 NOTE 2 R21 NOTE 2: R28 NOTE 2 R25 NOTE 2 R12 6.65K/1% R11 6.65K/1% BAR1 INPUT BARRIER 1 2 3 4 5 6 C7 0.1/100V C8 0.1/100V C12 0.47/250V C18 0.1/100V C17 0.1/100V R3 NOTE 1 R

5、4 NOTE 1 J4 CH B OCTAL 1 2 3 4 5 6 7 8 J3 CH A OCTAL 1 2 3 4 5 6 7 8 J7 CH B MODULE 1 2 3 4 5 6 7 8 J8 CH A MODULE 1 2 3 4 5 6 7 8 RLY1 T90N5D12-12 RLY2 T90N5D12-12 R29 NOTE 3 R30 NOTE 3 J9 RELAY 1 2 SW1 MSSA2350 C3 30pF D1 1N4148 C10.1/100V C2 0.1/100V C4 30pF C630pF C15 100/100V C16 100/100V Z1 1N

6、5930 R19 4.7/1W R20 4.7/1W D2 1N4148 D3 1N4148 D4 1N4148 D5 1N4148 D7 1N4148 D8 1N4148 R7 2.7K/2W C530pF R8 2.7K/2W D6 1N4148 Z2 1N5930 R23 10K/1% R22 10K/1% R2 90.9K/1% C1015pF C9 15pF C22 330pF VR1 5K C21 330pF VR2 5K C24 150pF R18100 RadioFans.CN 收音机爱 好者资料库 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC B

7、B AA NOTE 1: NOTE 2: ANALOG GND ANALOG GND ATTENUATE CH B ATTENUATE CH A +15 V DATA CH A DATA CH B FCV440 = 13.75K/1% FCV220 = 15.1K/1% FCV440 = 27.18K/1% FCV220 = 19.6K/1% DIGITAL GND DIGITAL GND +24V -24V CH B ATTNCH A ATTN 21C1383 00 OTA PREAMP/DRIVER FOR FCV SERIES CREST AUDIO INC. 100 Eisenhowe

8、r Drive C 11Thursday, May 18, 2000 Paramus, NJ 07652 Title SizeDocument NumberRev Date:Sheetof +24V +24V +24V +24V +24V +24V -24V -24V -24V -24V -24V -24V CH A OUT CH B OUT CH A MODULE CH B MODULE SUPPLY GND SUPPLY GND R17100 R37 1.5K R47 4.7K C20 330pF R46 4.7K R39 10K C19 330pF R40 10K R15 100 R42

9、 47K J6 26-48-1116 1 2 3 4 5 6 7 8 9 10 11 + - IC4B STK3152 15 14 13 12 1011 R43 47K JP? 26-48-1036 1 2 3 + - IC4A STK3152 1 2 8 7 3 4 9 65 R45 6.8K + - IC1A OPA2604 3 2 1 84 J9 HEADER 3 1 2 3 C23 150pF R38 6.8K + - IC1B OPA2604 5 6 7 R9470 R10470 C13 1/63V R35 750 R36 750 R5 220K R1 90.9K/1% R14 10

10、0K/1W/2% R13100K/1W/2% C26 4.7/35V R16100 C25 4.7/35V R26 10K/1% R32 100K R27 10K/1% R33 100K R6 220K R24 NOTE 2 R21 NOTE 2: R28 NOTE 2 R25 NOTE 2 R12 6.65K/1% C29 220pF R11 6.65K/1% C28 220pF BAR1 INPUT BARRIER 1 2 3 4 5 6 C7 0.1/100V C8 0.1/100V C12 1/63V C18 0.1/100V C17 0.1/100V R3 NOTE 1 R4 NOT

11、E 1 J4 CH B OCTAL 1 2 3 4 5 6 7 8 J3 CH A OCTAL 1 2 3 4 5 6 7 8 J7 CH B MODULE 1 2 3 4 5 6 7 8 J8 CH A MODULE 1 2 3 4 5 6 7 8 RLY1 T90N5D12-24 RLY2 T90N5D12-24 OC1 4N25 OC2 4N25 C14 10/16V/BP C11 10/16V/BP SW1 MSSA2350 C3 30pF D1 1N4148 C10.1/100V C2 0.1/100V C4 30pF C630pF C15 100/100V C16 100/100V

12、 C30 CP R19 4.7/1W C31 CP R20 4.7/1W D2 1N4148 D3 1N4148 J2 CH B D4 1N4148 J1 CH A D5 1N4148 VR1 5K D7 1N4148 VR2 5K R7 200/1W JP2D8 1N4148 Z1 1N5353 IC3 NE5517AN 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 JP1 R8 200/1W C530pF Z2 1N5353 D6 1N4148 R23 10K/1% R22 10K/1% R2 90.9K/1% C1015pF + - IC2A OPA2604

13、 3 2 1 84 C9 15pF + -IC2B OPA2604 5 6 7 R44 3.3K C22 330pF R? 27 R41 1.5K C21 330pF R? 27 C24 150pF R18100 R34 3.3K 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA OUTPUT AOUTPUT BPREAMP POWER SUPPLY 26A181601 CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 A 00Thursday, May 18, 2000 SizeDocument Num

14、berRev Date:Sheetof J5 26-03-4071 1 2 3 4 5 6 7 8 9 10 11 J6 26-03-4111 1 2 3 4 5 6 7 8 9 10 11 J9 26-03-4020 1 2 J4 26-03-4030 1 2 3 J2A 1 2 3 4 5 6 7 J3 1 2 3 4 5 6 7 J2 1 2 3 4 5 6 7 J2B 1 2 3 4 5 6 7 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA RELAY A RELAY B CH. ACH. B CH. ACH. B CH. A CH. B GR

15、OUND GROUND GROUND TEMP SENSOR POWER TEMP SENSOR OUTPUT TEMP SENSOR OUTPUT TEMP SENSOR POWER A CLIP- A CH. PROTECT+ B CLIP- B CH. PROTECT+ A CLIP- B CLIP- SPKR LEVEL B (DC PROT) SPKR LEVEL A (DC PROT) FAN DRIVE V+ GROUND GROUND R23,R24 C2,C3 SW1 T1 1.8K/5W3.9K/5W 15,000UF/50V 4.00 AMP6.00 AMP CREST

16、#22B1297CREST #22B1295 REFFCV220FCV440 (SEE CHART) 10,000UF/75V 21C1230 01 FCV220/FCV440 POWER SUPPLY/FAN DRIVER PCB CREST AUDIO INC. 150 Florence Ave. C 11Thursday, May 18, 2000 Hawthorne, NJ 07506 Title SizeDocument NumberRev Date:Sheetof GND GND TO C2+ TO C2-/C3+ TO C2-/C3+ TO C3- Q5 MPSA13 T1 SE

17、E CHART + - IC1B LM614 6 5 7 + - IC1A LM614 2 3 1 413 R12 1K R11 1K C11 1000/25V R5 499/1% R6 499/1% J2 26-48-1055 1 2 3 4 5 J3 26-48-1055 1 2 3 4 5 R30 1K/1% D5 1N4148 P1 PLUG AC MALE R33 23.7K/1% R31 1K/1% R32 23.7K/1% R4 2.2K R8 1K/1% R10 10K R7 1K/1% R9 10K Q2 2N5551 BR1 BR354W R25 100/2W Q1 2N5

18、551 R36 2.2K IC1E LM614 8 13 9 R35 2.2K R37 47/1W Z2 1N960 R39 1.5K Z1 1N960 R38 47/1W R40 1.5K Z3 1N5355A R42 1.5K D11N4148 R41 1.5K Q4 2N5401 Q3 2N5401 J1 22-02-2085 1 2 3 4 5 6 7 8 J4 26-48-1025 1 2 D4 1N4148 R21 2.2K D3 1N4148 R22 2.2K + - IC1C LM614 11 12 10 + - IC1D LM614 15 14 16 D21N4148 TR2

19、 MAC97 D7 1N4004 D8 1N4148 IC2 LM317 1 23 R24 SEE CHART C15 470/25V R26 442/1% C14 470/25V R34 2.2K TR1 MAC97 R23 SEE CHART J5 26-48-1025 1 2 R44 1K R1610K R43 1K R1510K C18 100/25V SW1 SEE CHART C19 100/25V R18 22K R17 22K R2 10K R1 10K Z5 1N5920 Z4 1N5920 F1 3A/MINI C1 0.15/400V BR2 RS202 C17 10/5

20、0V R13 330K R14 330K R27 100K R28 1K R29 1K D6 1N4148 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA NOTE 1FCV220 = OMIT Q20,Q21 FCV220 = OMIT R42,43,44,45 TEMP SENSOR POWER TEMP SENSOR OUTPUT CLIP (-) SPEAKER RAIL SPEAKER RAIL SPEAKER RAIL TEMP SENSOR GROUND + DRIVE + DRIVE - DRIVE - DRIVE + 65 VNL -

21、65 VNL 21B1294 (REF. PCB # 26B1100) FCV220/FCV440 OUTPUT STAGE CREST AUDIO INC. 150 Florence Ave. B 11Thursday, May 18, 2000 Hawthorne, NJ 07506 Title SizeDocument NumberRev Date:Sheetof OUT GROUND +65VNL -65VNL C6 1n/50V C8 10n/50V IC2 LM35DP 1 32 R1 NOT USED Z1 1N4735A Z2 1N4749A R46 10K R47 20K R

22、3 470 Z4 1N4735A Z3 1N4749A R49 10K R48 20K R2 NOT USED R4 470 D11N4004 D21N4004 C5 0.047/630V J1 INPUT 1 2 3 4 5 6 7 8 R7 100/1W R12 2.2/1W R14 51/2W R13 2.2/1W R19 2.2/1W R20 2.2/1W Q14 2N5401 Q15 2N5401 Q6 2SC3281 Q8 2SC3281 Q10 2SC3281 Q11 2SA1302 Q12 2N5551 Q13 2N5551 R17 0.33/5W R18 0.33/5W R1

23、0 150/1W R11 150/1W Q2 2N5401 D3 1N4148 R8 10/1W R23 100K R35 15K R39 100K Q17 2N5551 R24 15K R31 15K R32 100K D8 1N4004 R26 220 D7 1N4004 Q21 2SA1302 D5 FR204 Q20 2SC3281 R43 0.33/5W D6 FR204 R44 0.33/5W C3 0.1/100V C4 0.1/100V R45 2.2/1W L12uH R42 2.2/1W R28 2.2/2W J2 CLIP/TEMP 1 2 3 4 5 R29 1K R2

24、1 0.33/5W R22 0.33/5W Q16 2N5401 Q19 2N5401 Q18 2N5551 R41 100/1% R40 100/1% R30 100K R9 10/1W R6 390 Q9 2SA1302 Q7 2SA1302 Q4 2SC2336 Q5 2SA1006 R25 100K VR1 PTC15LB/250 R1001/2W R34 15K R38 100K C2 0.1/100V R5 1.2K Q3 TIP110 R16 4.7/2W R15 4.7/2W R36 274/1% R37 274/1% C1 100/6.3V Q1 2N5551 D4 1N41

25、48 C9 10n/50V C7 1n/50V D9 1N4148 D10 1N4148 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA +15V A GND D GND A OPTO B OPTO A GND -24V +24V DATA A DATA B D GND CH A CH B -RET D GND B DATA -24V +15V +RET +IN -IN -RET A GND A DATA +24V +15V +RET +IN -IN A +IN B +IN B -IN B GND A -IN A GND R21,R24,R25,R28

26、FCV440FCV220 38.3K/0.1%53.6K/0.1% NOTE 1: REFERENCE DES 30pF30pFC3,C4,C5,C6 R82.2/1W2.2/1W C12,C130.47UF/250V0.47UF/250V 21B1703 02 PREAMP/DRIVER FOR NEXSYS COMPATIBLE FCV CREST AUDIO INC. 100 EISENHOWER DR. B 11Thursday, May 18, 2000 PARAMUS, NJ 07652 Title SizeDocument NumberRev Date:Sheetof CH A

27、OUT CH B OUT CH A MODULE CH B MODULE SUPPLY GND SUPPLY GND R17100C20 330pF C2 10/35V/T C19 330pF C1 10/35V/T R15 100 C12 NOTE 1 + - IC2B STK3152 15 14 13 12 1011 C13 NOTE 1 + - IC2A STK3152 1 2 8 7 3 4 9 65 C23 150pF R9 470 C11 10/16V/BP + - IC1A OPA2604 3 2 1 84 + - IC1B OPA2604 5 6 7 R10 470 C14 1

28、0/16V/BP R5 100K R1 90.9K/1% R14 100K/1/2W/1% R13100K/1/2W/1% R16100 R26 19.6K/0.1% R27 19.6K/0.1% R6 100K R24 NOTE 1 R21 NOTE 1 J11 26-48-1075 1 2 3 4 5 6 7 R28 NOTE 1 R25 NOTE 1 R12 6.65K/1% R11 6.65K/1% BAR1 IN BARRIER 1 2 3 4 5 6 C7 0.1/100V C8 0.1/100V C18 0.1/100V C17 0.1/100V J4 CH B OCTAL 1

29、2 3 4 5 6 7 8 J3 CH A OCTAL 1 2 3 4 5 6 7 8 J7 CH B MODULE 1 2 3 4 5 6 7 8 J8 CH A MODULE 1 2 3 4 5 6 7 8 RLY1 T90N5D12-12 RLY2 T90N5D12-12 J9 RELAY 1 2 SW1 MSSA2350 C3 30pF D1 1N4148 C4 30pF C630pF C15 100/100V C16 100/100V R19 4.7/1W R20 4.7/1W D9 1N4004 0C1 VTL5C6 0C2 VTL5C6 D11 1N4004 R8 NOTE 1

30、D2 1N4148 D3 1N4148 R31 220 D4 1N4148 R32 220 D5 1N4148 R34 750 D7 1N4148 R33 750 D8 1N4148 D10 1N4004 C530pF D12 1N4004 D6 1N4148 R23 19.6K/0.1% R22 19.6K/0.1% R2 90.9K/1% C1015pF C9 15pF VR1 5K C22 330pF C21 330pF VR2 5K C24 150pF R18100 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA TEMP SENSOR POWE

31、R TEMP SENSOR POWER TEMP SENSOR OUTPUT TEMP SENSOR OUTPUT SPKR LEVEL A SPKR LEVEL B CLIP A IGM A CLIP B IGM B TEMP SENSOR GND ANALOG GND TEMP SENSOR GND ANALOG GND AUX GND CH A TEMPCH B TEMP CH B INOUT ADJ CH A 6.2V6.2V FAN V+ RELAY CH A RELAY CH B RELAY GND ANALOG GND ANALOG GND ATTENUATE CH B ATTE

32、NUATE CH A +15 V DATA CH A DATA CH B DIGITAL GND DIGITAL GND +24 V -24 V CH A CLIP LED + CH A CLIP LED - CH B CLIP LED - CH B CLIP LED + CH A STATUS - CH A STATUS + CH B STATUS - CH B STATUS + C2,C3 SW1 T1 15,000UF/50V 4.00 AMP6.00 AMP CREST #22B1297CREST #22B1295 REFFCV220FCV440 (SEE CHART) 10,000U

33、F/75V CH ACH B D17, D18 ARE R43, R44 ON 7/29/93 SILKSCREEN 21C1666 02 FCVNXS.PWR CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 C 00Thursday, May 18, 2000 Title SizeDocument NumberRev Date:Sheetof GND GND TO C2+ TO C2-/C3+ TO C2-/C3+ TO C3- R25 18K D5 1N4001 D8 1N4001 R26 18K C2 10/50V J1 52011-

34、0810 1 2 3 4 5 6 7 8 R30 1K R35 499R0 J4 26-48-1036 1 2 3 R36 499R0 + - IC2A LM358 3 2 1 84 R12 47K + - IC4A LM358 3 2 1 84 R11 47K + - IC1A LM614 2 3 1 413 R13 2K2 + - IC1B LM614 6 5 7 R15 22K + - IC1C LM614 11 12 10 R18 2K2 + - IC1D LM614 15 14 16 R19 2K2 IC1E LM614 8 13 9 R47 50R/10W R45 1K/1/2W

35、R46 1K/1/2W R42 1K/1/2W R27 330K R41 1K/1/2W R28 330K Z11 1N5920 Z12 1N5920 Z2 1N5920 R16 22K R14 2K2 Z1 1N5920 C8 470/25V R51 0 Q1 MPSA13 R40 2K210 R8 442R0 R50 470R/10W R49 470R/10W Z7 1N5348 Z8 1N5348 Z9 1N5348 J3 26-48-1075 CH B 1 2 3 4 5 6 7 Z10 1N5348 J2 26-48-1075 CH A 1 2 3 4 5 6 7 TR1 MAC97

36、A R48 100R TR2 MAC97A R1 1K R2 1K R3 19K60 R4 19K60 D1 1N4148 R5 1K0 R6 1K0 D4 1N4001 R7 100K D6 1N4148 R17 2K2 F1 3A/MINI R20 2K2 D3 1N4148 C1 0.15/400V C10 1000/25V Q2 MJD127 + - IC4B LM358 6 5 7 D18 1N4001 P1 PLUG AC MALE R53 100R D17 1N4001 R55 10K BR2 RS202 C9 470/25V BR1 BR352W T1 SEE CHART C7

37、 470/25V D15 1N4148 Q3 MJD127 SW1 SEE CHART D16 1N4148 R21 20/1W D14 1N4148 R59 2K2 D9 1N4148 R33 1K0 Z5 1N5920 R34 1K0 R37 2K2 R23 5.1K/2W + - IC2B LM358 5 6 7 D10 1N4148 D11 1N4148 IC3 LM317T 1 23 C3 0.1/25V C4 10/25V C5 10/25V D7 1N4148 J7 26-48-1045 1 2 3 4 C6 470/25V R31 10K R52 100R R61 390R R

38、29 1K R32 10K R54 100R D2 1N4148 R56 10K R9 4K7 R60 2K2 R10 4K7 R22 20/1W J5 26-48-1025 1 2 R62 390R J6 26-48-1115 1 2 3 4 5 6 7 8 9 10 11 R24 5.1K/2W Z6 1N5920 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA TEMP SENSOR POWER TEMP SENSOR OUTPUT SPEAKER RAIL SPEAKER RAIL SPEAKER RAIL TEMP SENSOR GROUND

39、+ DRIVE + DRIVE - DRIVE - DRIVE + 65 VNL - 65 VNL CURRENT LIMITER CLIP DETECTOR EMITTER NPN OUTPUT EMITTER PNP + HIGH RAIL - HIGH RAIL CLIP IGM GND 3/28/94 CHANGED 33.2K/1W TO 33.2K/0.5W R50,R51,R52,R53FCV220 = OMIT Q20, Q21, 5-4-94 CHANGED C6,C7 FROM .001UF/50V TO R55,R56 AT 1.2K. FCV220/FCV440 NEX

40、SYS OUTPUT STAGE CREST AUDIO INC. 100 EISENHOWER DR. C 11Thursday, May 18, 2000 PARAMUS, NJ Title SizeDocument NumberRev Date:Sheetof -16V -16V +16V -16V OUT GROUND +65VNL -65VNL C8 10n/50V R1 NOT USED Z1 1N4742A R46 7.5K R47 10K R3 470 Z4 1N4742A Z3 1N4749A R49 7.5K R48 10K R2 NOT USED R4 470 R23 1

41、K J2 CLIP/TEMP 1 2 3 4 5 6 7 + - IC1C LM339N 8 9 14 + - IC1D LM339N 10 11 13 + - IC1B LM339N 6 7 1 Q2 2N5401 R42 2.4K/2W R43 1.5K/5W IC2 LM35DP 1 32 D1 1N4004 Q3 TIP 110 Z5 1N5930 D2 1N4004 C5 0.047/630V Z6 1N5930 J1 INPUT 1 2 3 4 5 6 7 8 + - IC1A LM339N 312 4 5 2 R7 100/1W R2410K R12 2.2/1W R25 10K

42、 R14 51/2W D12 1N4148 R13 2.2/1W R45 750K/1% R19 2.2/1W R36 3.83K R20 2.2/1W R44 750K/1% R29 3.74K R28 3.74K D11 1N4148 Q6 2SC3281 R37 3.83K Q8 2SC3281 R32 33.2K/0.5W Q10 2SC3281 R40 33.2K/0.5W Q11 2SA1302 R41 33.2K/0.5W R33 33.2K/0.5W R38 33.2K/0.5W R17 0.33/5W R30 33.2K/0.5W R18 0.33/5W R39 33.2K/

43、0.5W R31 33.2K/0.5W R10 150/1W R26 3.32K R11 150/1W R27 3.32K R34 2.87K D3 1N4148 R8 10/1W R35 2.87K Q1 2N5551 Q21 2SA1302 D5 FR204 Q20 2SC3281 D6 FR204 R52 0.33/5W C3 0.1/100V R53 0.33/5W C4 0.1/100V R50 2.2/1W L12uH R51 2.2/1W R54 2.2/2W R21 0.33/5W R22 0.33/5W R9 10/1W R6 390 Q9 2SA1302 Q7 2SA1302 Q4 2SC2336 Q5 2SA1006 Z2 1N4749A VR1 PTC15LB/250 R1001/2W R55 1.2K R56 1.2K C2 0.1/100V R5 1.2K R16 4.7/2W R15 4.7/2W C1 100/6.3V D4 1N4148 C9 10n/50VD9 1N4148 D10 1N4148