Crest-PRO7001-pwr-sch维修电路原理图.pdf

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1、8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA TURN ON DELAY/MUTE BALANCED INPUT/GAIN SERVO/HIGH PASSCURRENT LIMITER SIGNAL DETECTORLIMIT DETECTOR CLIP DETECTORAMPLIFIER FRONT END/IC POWER SUPPLY NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601/600 NOTE 2: 27K 2W ON MODELS 8001, 7001, CC601/600 3.3K 2W ON M

2、ODELS CV301/300, CC151/150 15K 2W ON MODELS CV301/300, CC151/150 20K 2W ON MODELS 6001, 4801, CC301/300 6.8K 2W ON MODELS 6001, 4801 5.6K 2W ON MODELS CC301/300 NOTE 3: 1K 10W ON MODELS CC151/150, CV301/300 820 10W ON ALL OTHER MODELS 2123001 PREAMP/FRONT END CREST AUDIO 150 Florence Ave. Hawthorne,

3、 NJ 07506 C 10Wednesday, May 17, 2000 Title SizeDocument NumberRev Date:Sheetof VCC+ VCC+ VCC+ VCC+ VCC+ VCC+ VCC+ VCC+ VCC+ VCC+ VCC- VCC- VCC- VCC- VCC- VCC- VCC- VCC- VCC- C11 0.001uF R69 NOTE 1 R21 10K R22 180K R81 NOTE 1 R87 NOTE 2 R24 1K + - IC3 A RC4559N 3 2 1 84 R88 NOTE 2 + - IC2 B RC4559N

4、5 6 7 + - IC4 A LM393N 3 2 1 84 + - IC4 B LM393N 5 6 7 Z11N5353 Z21N5353 + - IC3 B RC4559N 5 6 7 Z61N5938 D27 1N4148 Z41N5938 D7 1N4148 D26 1N4148 R18 4.7K Q15 2N5551 C17470uF C14470uF C22 0.47uF 250V C23 0.1uF C15470uF R90 4.7K C18470uF C6 0.1uF Q14 2N5401 Q7 2N5551 Q8 2N5551 Q5 2N5551 Q6 2N5551 Q1

5、3 2N5551 R71 100 Q10 2N5401 Q9 2N5401 Q11 2N5401 Q12 2N5401 D24 SF14 D28 1N4148 R89 2.7K R85 11K 1% 1W R86 549 1% D22 1N4148 D23 1N4148 R77 100 D25 SF14 C27 30pF R58 1K 0.1% R57 1K 0.1% R56 100K 0.1% R59 100K 0.1% R60 1K 0.1% R61 1K 0.1% R54 100K 0.1% R52 1K R23 10K R7 220K R35 680K R32 680K R25 150

6、K R9 D 10K 0.2% C3 30pF R3 330K R1 15K R2 10K R4 4.7K R6 22K R15 4.7K R65 NOTE 3 R66 NOTE 3 R74 100 R80 100 R83 47 R84 47 R47 1M R46 100K R50 2.2K D3 1N4148 R70 511 1% Q3 2N5401 R82 511 1% Q4 2N5551 R75 8.25K 1% C2 100uF 35V R78 68.1 1% D4 1N4148 R76 8.25K 1% R73 68.1 1% R20 10K R72 68.1 1% Q1 2N555

7、1 + - IC1 B LF353N 5 6 7 D21 1N4148 R9 B 10K 0.2% + - IC1 A LF353N 3 2 1 84 C19 0.1uF R9 A 10K 0.2% R16 200K 1% R9 C 10K 0.2% R10 20K 1% D5 1N4148 R264.7K D6 1N4148 C82.2uF 5% D9 1N4148 C4 30pF D8 1N4148 R17 100K 1% D10 1N4148 R63100K 0.1% D11 1N4148 C12 1/50V C13 1/50V + - IC2 A RC4559N 3 2 1 84 R4

8、5 2.2K C5 0.1uF R27 10K C9 2.2uF 5% R28 549 1% R79 68.1 1% OC1 CLM5010 21 5 46 R3410K R62 SELECTED R3110K R55 SELECTED D131N4148 J2-M 1 2 3 4 5 6 7 8 9 10 11 12 13 D121N4148 J3-M 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 R33100K J1-F 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 R19 1K C26 0.47uF 250V RadioFa

9、ns.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 BB AA DATA & POWER CONN. VR JUMPER STEP 1 STEP 2 STEP 3 STEP 4 ANALOG GND CHANNEL B SAME AS ABOVE B/OUTPUT A/TEMP B/TEMP B/PROTECT B/CLIP B/IGM A/PROTECT A/CLIP A/IGM +20V 21B1646 NEXSYS DATA ENCODER CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ

10、07652 B 00Wednesday, May 17, 2000 Title SizeDocument NumberRev Date:Sheetof A/OUTPUT +24V ANALOG GND A/+16V B/+16V A/-16V B/-16V J2 09-48-2131 1 2 3 4 5 6 7 8 9 10 11 12 13 D10 1N4004 D9 1N4004 D7 1N4004 J1 09-48-2101 1 2 3 4 5 6 7 8 9 10 D8 1N4004 C4 0.1/50V J3 26-48-1075 1 2 3 4 5 6 7 C5 0.1/50V +

11、 - IC5A LM339D 312 4 5 2 + - IC5B LM339D 6 7 1 + - IC5C LM339D 8 9 14 + - IC5D LM339D 10 11 13 OPTO1A PC3Q17 OPTO1B PC3Q17 OPTO1C PC3Q17 OPTO1D PC3Q17 + - IC2B NJM5532M 5 6 7 + - IC2A NJM5532M 3 2 1 84 R2 150K R3 10K R4 10K R6 1.78K/1% R7 2.2K R8 549/1% R9 243/1% R10 121/1% R11 10/1% R12 330K R13 2.

12、7K R14 2.7K R15 2.7K R16 2.7K R18 7.5K R17 15K R19 1.8K R20 2K/1% D2 1N4148 D1 1N4148 D3 DL103A D4 DL103A C1 0.1/50V C2 0.1/50V C3 10/25V C4 .22/50V R1 100K J2 26-48-1035 1 2 3 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 BB AA BALANCED INPUT/GAIN SERVO/HIGH PASSI.G.M. DETECTOR SIGN

13、AL DETECTORCLIP DETECTORAMPLIFIER FRONT END/IC POWER SUPPLY 6.8K 2W ON MODELS 6001, 4801 5.6K 2W ON MODELS CC301/300 TURN ON DELAY ATTENUATION/MUTE ATTENUATOR DRIVER NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601 NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601 20K 2W ON MODELS 6001, 4801, CC301 560 10W ON M

14、ODELS CC301 NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY SIGNAL CLIP CONTROL SPEAKER SPEAKER LIMIT MUTE 4.3K 2W ON MODEL 4601 16K 2W ON MODEL 4601 1.1K 10W ON MODEL 4601 3.3K 2W ON MODELS CV301, CC151, 3301 15K 2W ON MODELS CV301, CC151, 3301 1K 10W ON MODELS CV301, CC151, 3301 560 10W O

15、N MODELS CC301 620 10W ON MODEL 6001 560 10W ON MODELS 4801, MA5850 680 10W ON MODEL 7001 1.1K 10W ON MODEL 4601 NOTE 3: 750 10W ON MODELS 8001, CV601 1K 10W ON MODELS CV301, 3301 360 10W ON MODEL CC151 PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5: REV NOTES 7/15/93 (1) DELETE R12 (NEW

16、) (NEW) (NEW) (NEW) (NEW) NOTE 4: R82, D20, VR1 ARE USED ON MODEL MA5850 ONLY 21C1124-0202 PRO-LINE PREAMP/FRONT END CREST AUDIO INC. 150 Florence Ave. Hawthorne, NJ 07506 C 11Wednesday, May 17, 2000 Title SizeDocument NumberRev Date:Sheetof VCC+ VCC+ VCC+ VCC+ VCC+ VCC+ VCC+ VCC+ VCC-VCC- VCC- VCC-

17、 VCC- VCC- VCC- VCC- VCC- C10 0.001/50V R50 10K R33 22K R42 100K R69 NOTE 1 C1 100/35V C23 1nF R70 NOTE 1 R76 NOTE 2 R27 2.2K R77 NOTE 2 Z11N5353 Z21N5353 Z41N5938 C5 470pF R9 1K Z31N5938 D14 1N4148 R7 10K D12 1N4148 R10 100K D15 1N4148 R4 22K Q4 2N5551 D3 1N4148 C14470uF C2 47/35V C16470uF C18 0.47

18、/250V R8 10K C21 0.1uF C17470uF C15470uF C7 0.1/50V Q15 2N5401 IC4 NE5517AN 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 Q1A MPQ6700 + - IC1A NE5532AN 3 2 1 84 Q1B MPQ6700 + - IC1B NE5532AN 5 6 7 Q6 2N5551 Q10 2N5551 R31 4.7K Q14 2N5551 R57 100 Q1D MPQ6700 Q1C MPQ6700 Q7 2N5401 Q11 2N5401 R37 47K D18 SF14

19、R36 2.7K R78 2.7K R32 1.5K/1% R82 NOTE 4 R79 11K/1%/1W R35 750/1% R34 499/1% D20 NOTE 4 R80 576/1% D16 1N4148 D17 1N4148 R58 100 D19 SF14 C22 30pF + - IC2B RC4559 5 6 7 D21 1N4148 R11 22K Q3 2N5401 D2 1N4148 R49 2.2K R28 10K R81 10K R29 2.7K D13 1N4148 R24 680K R30 47K R25 680K C13 10/35V R16 150K S

20、IP1D 10K/0.2% C4 30pF R2 330K R1 15K R3 10K R5 4.7K R6 10K R14 10K/1% R65 NOTE 3 R15 10K/1% R66 NOTE 3 + - IC2A RC4559 3 2 1 84 R71 100 R72 100 R74 47 R75 47 R51 1M R52 100K R56 2.2K Q5 2N5401 R59 511/1% R53 100K D1 1N4148 Q1 2N5401 R60 511/1% R54 1M Q2 2N5551 R63 8.25K/1% R55 2.2K R62 68.1/1% R64 8

21、.25K/1% R67 68.1/1% R61 68.1/1% Q12 2N5551 SIP1B 10K/0.2% Q8 2N5551 C20 0.1uF R45 100/1% SIP1A 10K/0.2% R43 100/1% SIP1C 10K/0.2% R44 SELECT D4 1N4148 R17 4.7K D6 1N4148 C9 2.2/5%/100V C630pF D5 1N4148 D23 1N4004 D7 1N4148 D22 1N4004 R13 220K R47 SELECT D8 1N4148 R46 SELECT C11 1/50V D9 1N4148 Z5 SE

22、LECT C121/50V Z6 SELECT R18 2.2K C30.1/50V Q9 2N5401 R19 10K C8 2.2/5%/100V R40 47K R68 68.1/1% R20 576/1% R41 100K VR1 NOTE 4 R39 100K R2210K R2310K R38 47K J2-M 26-48-1135 1 2 3 4 5 6 7 8 9 10 11 12 13 D111N4148 J3-M 26-48-1155 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D101N4148 R21 100K J1-F 09-52-3172

23、 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 + - 1C3A LM393 3 2 1 84 C19 0.47/250V R26 1K + - IC3B LM393 5 6 7 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA BLACK BLACK BLACK RED WHITE ORANGE/WHITE RED/WHITE ORANGE GREEN RED/BLACK BLACK RED WHITE ORANGE/WHITE RED/WHITE ORANGE GREEN BROWN GREY GREY RED/B

24、LACK RED/BLACK WHITE/RED BROWN BLACK BLACK BLACK RED RED YELLOW GREEN/BLACK GREEN/BLACK WHITE/RED RED/BLACK WHITE/RED WHITE/RED BROWN/WHITE BROWN/WHITE PURPLE/WHITE RED/BLACK GREEN/BLACK BLACK 18 GA BLACK 18 GA WHITE/RED BLACK BLACK RED BLACK RED WHITE WHITE GREEN ORANGE RED/WHITE ORANGE/WHITE GREEN

25、 ORANGE RED/WHITE ORANGE/WHITE PURPLE/WHITE BROWN/WHITE (X2) PURPLE/WHITE (X2) POWER SUPPLY GROUND LUG WHITE WHITE (X2) YELLOW (X2) YELLOW/WHITE (X2) BLACK/WHITE YELLOW/WHITE BLACK SHIELD WHITE SHIELD BLACK SHIELD BLACK SHIELD BLACK SHIELD WHITE SHIELD WHITE SHIELD WHITE SHIELD BLUE/WHITE BLUE BLUE/

26、WHITE BLUE YELLOW YELLOW/WHITE BLACK/WHITE BLACK/WHITE BLACK/WHITE BLACK SHIELDED WHITE SHIELDED 14 1/2 16 30 3/4 12 3/4 13 1/8 13 1/8 12 1/8 7 1/2 7 19 1/2 2 1/8 2 1/8 2 18 18 18 18 13 7/8 13 3/4 13 5/8 13 1/2 14 1/8 14 13/16 14 15 1/4 15 1/4 15 1/4 1218 1/8 8 1/2 8 7/16 18 7/8 14 5/8 11 7/8 7 1/2

27、7 1/2 18 7/1620 1/2 10 7/8 11 3/4 11 9/16 11 7/16 8 11/16 10 3/8 8 13/16 8 1/2 8 3/16 17 3/16 BLACK 7 1/4 + BLACK SHIELD BLACK 5 1/2 + WHITE SHIELD YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED BLUE SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YE

28、LLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED BLUE SHIELDED 21B0961 7001 HARNESS CREST AUDIO INC. 150 Florence Ave. B 00Wednesday, May 17, 2000 Hawthorne, NJ 07506 Title SizeDocument

29、 NumberRev Date:Sheetof - LO RAIL + LO RAIL FAN A + FAN B + FAN B - FAN A - .25 PUSH ON LUG .25 PUSH ON LUG M5 TEMP CH.B 1 2 3 J1 RELAY 1 2 3 4 J3 CH.A PREAMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J3 CH.B PREAMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J1 FAN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J2 CH.B 1 2

30、 3 4 5 6 7 8 9 10 11 12 13 M8 DISPLAY 1 2 3 J3 INPUT 1 2 3 4 5 6 7 8 J2 CH.A 1 2 3 4 5 6 7 8 9 10 11 12 13 M7 DISPLAY 1 2 3 CH.B OCTAL 1 2 3 4 5 6 7 8 CH.A OCTAL 1 2 3 4 5 6 7 8 M5DISPLAY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 M6 DISPLAY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 M5 TEMP CH.A 1 2 3 8 8 7 7 6

31、6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA BLACK BLACK RED GREEN RED/WHITE WHITE WHITE ORANGE/WHITE RED/BLACK RED/BLACK WHITE/RED WHITE BLACK BLACK RED RED YELLOW GREEN/BLACK GREEN/BLACK WHITE/RED RED/WHITE WHITE/RED WHITE/RED PURPLE/WHITE RED/BLACK GREEN/BLACK BLACK 18 GA BLACK 18 GA WHITE/RED BLACK BLACK R

32、ED GREEN ORANGE/WHITE PURPLE/WHITE POWER SUPPLY GROUND LUG WHITE WHITE (X2) YELLOW (X2) YELLOW/WHITE (X2) YELLOW/WHITE BLACK SHIELD WHITE SHIELD BLACK SHIELD BLACK SHIELD BLACK SHIELD WHITE SHIELD WHITE SHIELD WHITE SHIELD BLUE/WHITE BLUE BLUE/WHITE BLUE YELLOW YELLOW/WHITE BLACK/WHITE BLACK/WHITE B

33、LACK,BLACK SHIELD BLACK,WHITE SHIELD BLUE SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELD

34、ED YELLOW SHIELDED YELLOW SHIELDED YELLOW SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED PURPLE (X2) WHITE/BLACK ORANGE GREY BROWN BLACK/RED BLUE/WHITE GREY/BLACK WHITE/GREY BLUE/WHITE RED/WHITE GREY/WHITE BROWN/WHITE GREEN/WHITE BLACK/RED PURPLE ORANGE GREY BROWN WHITE/BLACK BLACK/WHITE RED

35、/WHITE GREY/WHITE BROWN/WHITE GREEN/WHITE WHITE/BLACK (X2) BLACK/WHITE PURPLE CHANGE OCTAL SOCKET PHASING BLACK PURPLE/WHITE RED GREEN RED/WHITE GREEN/WHITE RED GREEN RED/WHITE GREEN/WHITE REV. 03 - MODIFY HARNESS TO ACCEPT REV. 02 - EFFECTIVE S/N# 8908P84 CREST COMPUTER CONTROL SYSTEM PURPLE/WHITE

36、21B0961 03 7001 HARNESS SCHEMATIC CREST AUDIO INC. 150 Florence Ave. B 11Wednesday, May 17, 2000 Hawthorne, NJ 07506 Title SizeDocument NumberRev Date:Sheetof - LO RAIL + LO RAIL FAN A + FAN B + FAN B - FAN A - .25 PUSH-ON LUG .25 PUSH-ON LUG J1 FAN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J2 CH.B 1 2 3

37、4 5 6 7 8 9 10 11 12 13 M8 DISPLAY 1 2 3 J3 INPUT 1 2 3 4 5 6 7 8 J2 CH.A 1 2 3 4 5 6 7 8 9 10 11 12 13 M7 DISPLAY 1 2 3 J12 03-09-1022 1 2 J13 03-09-1042 1 2 3 4 M5 TEMP CH.A 1 2 3 CH.B OCTAL 1 2 3 4 5 6 7 8 CH.A OCTAL 1 2 3 4 5 6 7 8 M5 TEMP CH.B 1 2 3 J1 RELAY 1 2 3 4 M6 DISPLAY 1 2 3 4 5 6 7 8 9

38、 10 11 12 13 14 15 J3 CH.A PREAMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J3 CH.B PREAMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 M5 DISPLAY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA BLACK BLACK RED GREEN RED/WHITE WHITE WHITE ORANGE/WHITE RED/BLACK RED/BLACK WHITE/RED W

39、HITE BLACK BLACK RED RED YELLOW GREEN/BLACK GREEN/BLACK WHITE/RED RED/WHITE WHITE/RED WHITE/RED PURPLE/WHITE RED/BLACK GREEN/BLACK BLACK 18 GA BLACK 18 GA WHITE/RED BLACK BLACK RED GREEN ORANGE/WHITE PURPLE/WHITE PURPLE/WHITE (X2) POWER SUPPLY GROUND LUG WHITE WHITE (X2) YELLOW (X2) YELLOW/WHITE (X2

40、) YELLOW/WHITE BLACK SHIELD WHITE SHIELD BLACK SHIELD BLACK SHIELD BLACK SHIELD WHITE SHIELD WHITE SHIELD WHITE SHIELD BLUE/WHITE BLUE BLUE/WHITE BLUE YELLOW YELLOW/WHITE BLACK/WHITE BLACK/WHITE BLACK,BLACK SHIELD BLACK,WHITE SHIELD BLUE SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED BLUE SHIE

41、LDED BLUE SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLUE SHIELDED YELLOW SHIELDED YELLOW SHIELDED YELLOW SHIELDED YELLOW SHIELDED YELLOW SHIELDED BLUE SHIELDED BLACK 1

42、8 GA. PURPLE (X2) WHITE/BLACK ORANGE GREY BROWN BLACK/RED BLUE/WHITE GREY/BLACK WHITE/GREY BLUE/WHITE RED/WHITE GREY/WHITE BROWN/WHITE GREEN/WHITE BLACK/RED PURPLE ORANGE GREY BROWN WHITE/BLACK BLACK/WHITE RED/WHITE GREY/WHITE BROWN/WHITE GREEN/WHITE WHITE/BLACK (X2) BLACK/WHITE PURPLE REV-2 EFFECTI

43、VE S/N# 8908P84 CHANGE OCTAL SOCKET PHASING 21B0961-02 02 7001 HARNESS SCHEMATIC CREST AUDIO INC. 150 Florence Ave. B 11Wednesday, May 17, 2000 Hawthorne, NJ 07506 Title SizeDocument NumberRev Date:Sheetof #10 RING LUG - LO RAIL + LO RAIL FAN A + FAN B + FAN B - FAN A - 2-PIN BARRIER STRIP .25 PUSH-

44、ON LUG .25 PUSH-ON LUG J1 FAN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J2 CH.B 1 2 3 4 5 6 7 8 9 10 11 12 13 M8 DISPLAY 1 2 3 J3 INPUT 1 2 3 4 5 6 7 8 J2 CH.A 1 2 3 4 5 6 7 8 9 10 11 12 13 M7 DISPLAY 1 2 3 M5 TEMP CH.A 1 2 3 CH.B OCTAL 1 2 3 4 5 6 7 8 CH.A OCTAL 1 2 3 4 5 6 7 8 M5 TEMP CH.B 1 2 3 J1 RELA

45、Y 1 2 3 4 M6 DISPLAY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J3 CH.A PREAMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J3 CH.B PREAMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 M5 DISPLAY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA TEMP SENSOR + TEMP SENSOR OUT TEMP SENSOR GND. REL

46、AY GROUND RELAY GROUND RELAY 2,4 RELAY 1,3 GROUND SPKR. RAIL CH. B MUTE CH. B LIMIT CH. B CONTROL V. CH. B CLIP CH. B SIGNAL CH. B SIGNAL CH. A CLIP CH. A LIMIT CH. A CONTROL V. CH. A SPKR. RAIL CH. A MUTE CH. A TEMP SENSOR + TEMP SENSOR OUT GROUND GROUND GROUND TRANSFORMER TEMP TEMP SENSOR GND IGM

47、A TEMP A CLIP A PROT A TEMP B CLIP B PROT B DATA B DATA A A/CLIP B/CLIP DATA & POWER CONN. (5.1V) (5.1V) 44 V. OUT TRANSFORMER TEMP GND IGM B 27 V. IN 12-14-93 CHANGE R101,R109 FROM 10K TO 4.7K. CHANGE R103,R111 FROM 2.2K TO 2.7K. CHANGE R107,R115 FROM 3.3K TO 4.7K. CHANGE R108,R116 FROM 2.2K TO 1K.

48、 CHANGE Z101,Z102 FROM 1N5913 TO 1N5918. NOTE 1 R23,R24 WILL CHANGE TO 1K/1% WITH UL APPROVAL. 21D1977-xx CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 D 00Wednesday, May 17, 2000 SizeDocument NumberRev Date:Sheetof A/DATA AUX GND B/DATA A/+16V B/+16V A/-16V B/-16V +24V 34 V. AC 34 V. AC R15 2.

49、7K J3 26-48-1075 1 2 3 4 5 6 7 R17 2.7K M5 26-48-1155 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 R16 2.7K LED 8 ACTIVE Z1 1N5927A R11 5K/5W Z2 1N5927A R12 5K/5W + - IC1C LM614 11 12 10 LED 5 TEMP/DC + - IC1D LM614 15 14 16 C3 470/6.3V IC1E LM614 8 13 9 + - IC1B LM614 6 5 7 Q4 2N5551 + - IC1A LM614 2 3 1 413 LED 1 CLIP R29 10K + - IC102A LM358A 3 2 1 84 R27 390 + - IC101C LM339 8 9 14 R25 4.7K + -IC101A LM339 312 4 5 2 Q6 MPSA75 + - IC101B LM339 6 7 1 D