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R8 VCC+ D1 1N4148 Q1 2N5401 R3 R2 330K 10K 2N5551 C1 100/35V Q2 MPSA75 Q3 R36 C2 47/35V D3 1N4148 D2 1N4148 D13 R32 1.5K/1% R31 3.3K 4.7K R10 100K R4 VCC22K R5 4.7K TURN ON DELAY R7 10K R11 22K 1 2 3 4 5 6 7 8 IC4 NE5517AN 16 15 14 13 12 11 10 9 R37 47K C16 470uF C14 470uF R6 10K 10K R9 1K R34 499/1% R35 750/1% Z1 VCC+ 1N5353

VCC+

R1 15K

R65 NOTE 3
D

D

C18 0.47/250V C20 0.1uF R59 511/1% R69 NOTE 1 Q14 2N5551

1N4148 R13 13 12 11 10 9 8 7 6 5 4 3 2 1 J2-M 26-48-1135 220K R30 VCC+ C3 0.1/50V C6 SIP1A 10K/0.2% D4 1N4148 D6 1N4148 6 5 D7 1N4148 D5 1N4148 C5 470pF 30pF SIP1B 10K/0.2% 7 + IC1B NE5532AN 8 3 2 R83 47K NOTE 4 C13 10/35V

R33 22K

Z3 VCC-

1N5938 Q6 2N5551 Q10 2N5551 R73 0 R74

ATTENUATION/MUTE

R57 100

Q8 2N5551

2N5551 Q12

47

+ 4

1 IC1A NE5532AN 14 R15 10K/1% IC3C LM339N 9 + R71 100 R41 1K/0.1% VCCR43 1K/0.1% R47 100K/0.1% R63 8.25K/1% R64 8.25K/1% R76 NOTE 2 R78 2.7K 8 R45 100K/0.1% R61 68.1/1% R67 68.1/1%

D18 SF14

SIP1C 10K/0.2%

SIP1D 10K/0.2%

C4 30pF

C7 0.1/50V

VCC-

R14 10K/1% C8 2.2/5%/100V

R39 SELECTED

C

BALANCED INPUT/GAIN

R19 C9 2.2/5%/100V R38 VCC+ R17 4.7K 10K 10K R20 549/1% 1 IC2A RC4559 R18 2.2K C10 1 IC3B LM339N R40 SELECTED

R16 2 150K SPEAKER SIGNAL CLIP CONTROL 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J3-M 26-48-1155 D8 1N4148 D9 1N4148 3 + 4

8

VCC-

0.001/50V SERVO/HIGH PASS CURRENT LIMITER

SPEAKER

LIMIT MUTE

R27 2.2K D21 1N4148

C11
B

VCC+ R24

1/50V VCC+ D20 NOTE 4 3 R29 2.2K 5 4

R81 10K R49 2.2K R50 10K 13 IC3D LM339N + 11 10 R51 1M

R22 R21 100K R82 NOTE 4 NOTE 4 VR1 D11 R23 C12

10K 5

680K

R26 1K 7 IC2B RC4559

D10

1N4148 6 1N4148 10K 1/50V

+ R25 680K

+ 12

2 IC3A LM339N

VCC-

VCCR28 10K D12 2N5551 Q4 1N4148 R56 2.2K

SIGNAL DETECTOR

ATTENUATOR DRIVER

NOTE 3: 750 10W ON MODELS 8001, CV601 NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601 680 10W ON MODEL 7001 6.8K 2W ON MODELS 6001, 4801 620 10W ON MODEL 6001 4.3K 2W ON MODEL 4601 560 10W ON MODELS 4801, MA5850 5.6K 2W ON MODELS CC301/300 1.1K 10W ON MODEL 4601 3.3K 2W ON MODELS CV301, CC151, 3301 560 10W ON MODELS CC301 NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601
A

1K 10W ON MODELS CV301, 3301 20K 2W ON MODELS 6001, 4801, CC301 360 10W ON MODEL CC151 16K 2W ON MODEL 4601 NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY 15K 2W ON MODELS CV301, CC151, 3301 NOTE 5: PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 CREST AUDIO INC. 150 Florence Ave. Hawthorne, NJ 07506 1.1K 10W ON MODEL 4601 Title 560 10W ON MODELS CC301 1K 10W ON MODELS CV301, CC151, 3301 NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY Date:
8 7 6 5 4 3 2

+

C22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J1-F 09-52-3172 D19 SF14

30pF

D16 1N4148

R79 11K/1%/1W

C

VCC D17 1N4148 R44 1K/0.1%

R80 549/1%

R42 1K/0.1% 6 7

R48 100K/0.1%

R72 100

R77 NOTE 2

R46

100K/0.1% R58 100

R62 68.1/1%

R68 68.1/1%

Q9 2N5401

2N5401 Q13 R75 47

2N5401 R55 2.2K VCC+ 2N5401 Q5 R53 100K D14 1N4148 D15 1N4148 R54 1M C15 VCCZ2 1N5353 470uF VCCC17 470uF R66 NOTE 3 Z4 1N5938 C21 0.1uF C19 R60 511/1% R70 NOTE 1 Q7

Q11 2N5401

Q15 2N5401

B

0.47/250V

R52 100K

CLIP DETECTOR

AMPLIFIER FRONT END/IC POWER SUPPLY

REV NOTES 7/15/93 (1) DELETE R12

A

PRO-LINE PREAMP/FRONT END Size C Document Number 21C1124-02 Wednesday, May 17, 2000 Sheet
1

Rev 02 1 of 0