Crest Audio PRO-4601 Schematic

8

7

6

5

4

3

2

1

R8

10K

R7

10K

R13

220K

C6 30pF

SIP1B

10K/0.2%

-

6

+

5

VCC+

C5
470pF

IC1B
NE5532AN

R9
1K

(NEW)

2N5401
Q3

R11
22K

100K

C2

D2
1N4148

47/35V

D3
1N4148

D13

R10

1N4148

R31

4.7K

R32

1.5K/1%

R33
22K

R30

C13

10/35V

47K

84

3

+

1

R14

10K/1%

2

-

IC1A
NE5532AN

R15

10K/1%

2.2/5%/100V

2N5401

Q9

C8

7

VCC-

Q2

R5

4.7K

VCC+

R6
10K

C1

100/35V

TURN ON DELAY

D5

1N4148

D6

1N4148

C4

30pF

BALANCED INPUT/GAIN

D7

1N4148

C7

0.1/50V

D1

1N4148

R1

15K

R2
330K

D D

VCC-

13
12
11
10

9
8
7
6
5
4
3
2
1

J2-M
26-48-1135

C3 0.1/50V

SIP1A

10K/0.2%

SIP1C

Q1
2N5401

R4
22K

R3

2N5551

10K

D4

1N4148

10K/0.2%

SIP1D
10K/0.2%

C C

2N5551

2.2K

Q8

R49

C9

2.2/5%/100V

R16

150K

SPEAKER
SIGNAL
CLIP
CONTROL

SPEAKER

LIMIT
MUTE

B B

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

J3-M
26-48-1155

R21

100K

R82

NOTE 4

VR1

NOTE 4

D8

1N4148

C11
1/50V

R22 10K

D10 1N4148

D11 1N4148

R23 10K

D9

1N4148

R24

680K

5

+

6

-

R25

680K

C12 1/50V

VCC+

2
3

VCC-

VCC+

R26

1K

7

IC2B

RC4559

VCC- VCC-

SIGNAL DETECTOR CLIP DETECTOR AMPLIFIER FRONT END/IC POWER SUPPLY

R17

4.7K

84

1

+-IC2A

RC4559

SERVO/HIGH PASS I.G.M. DETECTOR

R18

2.2K

R19
10K

C10

0.001/50V

576/1%

(NEW)

R20

R27

2.2K

D21

NOTE 4

1N4148

D20

VCC+

R29

2.7K

84

(NEW)

3

+

1

2

-

1C3A

LM393

R28
10K

R81
10K

D12

1N4148

ATTENUATOR DRIVER

VCC-

ATTENUATION/MUTE

R39
100K

R38
47K

VCC-

R50

10K

7

IC3B
LM393

R34

499/1%

1
2
3
4
5
6
7
8 9

IC4

NE5517AN

R40
47K

R41

100K

VCC+

5

+

6

-

2N5551

R51

1M

R52
100K

2N5551
Q4

16
15
14
13
12
11
10

1nF

R42

100K

Q12

C23

VCC-

R53
100K

R54
1M

2N5401
Q5

R37
47K

R35

750/1%

2.7K

(NEW)

Z5

SELECT

D23

1N4004

R44
SELECT

D22

1N4004

Z6

SELECT

2.2K

2.2K

R36

R47

SELECT

R45

100/1%

R43

100/1%

R46

SELECT

R55

D14
1N4148
D15
1N4148

R56

VCC+

Z1 1N5353

C14 470uF

C16 470uF

0.47/250V

Z3 1N5938

Z4 1N5938

0.47/250V

C17 470uF

C15 470uF

Z2 1N5353

C18

0.1uF

R57

100

R58
100

C20

C21

0.1uF
C19

2N5401

VCC+

R65

NOTE 3

2N5551
Q6

R69
NOTE 1

Q10
2N5551

Q14
2N5551

R59
511/1%

R74

R76
NOTE 2

R78

2.7K

R79

11K/1%/1W

R80

576/1%

(NEW)

R77
NOTE 2

47

D18

SF14

C22

09-52-3172

J1-F

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

30pF

D19

SF14

R75

D16

1N4148

D17

1N4148

Q1A
MPQ6700

R61

68.1/1%

R63

8.25K/1%

R62

68.1/1%

Q1C
MPQ6700

MPQ6700

MPQ6700

Q1B

R67

68.1/1%

R71

R64

8.25K/1%

R68

68.1/1%

100

R72
100

Q1D

47

Q11

R70

NOTE 1

2N5401

Q15
2N5401

Q7

R60
511/1%

R66

NOTE 3

VCC-

NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601

6.8K 2W ON MODELS 6001, 4801

4.3K 2W ON MODEL 4601

5.6K 2W ON MODELS CC301/300

3.3K 2W ON MODELS CV301, CC151, 3301

A A

NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601

20K 2W ON MODELS 6001, 4801, CC301

16K 2W ON MODEL 4601

15K 2W ON MODELS CV301, CC151, 3301

8

7

NOTE 3: 750 10W ON MODELS 8001, CV601

680 10W ON MODEL 7001

620 10W ON MODEL 6001

560 10W ON MODELS 4801, MA5850

1.1K 10W ON MODEL 4601

560 10W ON MODELS CC301

1K 10W ON MODELS CV301, 3301

360 10W ON MODEL CC151

NOTE 4: R82, D20, VR1 ARE USED ON MODEL MA5850 ONLY

PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5:

6

1.1K 10W ON MODEL 4601

560 10W ON MODELS CC301

1K 10W ON MODELS CV301, CC151, 3301

NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY

5

REV NOTES 7/15/93

(1) DELETE R12

CREST AUDIO INC.

150 Florence Ave.
Hawthorne, NJ 07506

Title

PRO-LINE PREAMP/FRONT END

Size Document Number Rev

21C1124-02 02

C

4

3

Date: Sheet of

2

1 1Wednesday, May 17, 2000

1

8

7

6

5

4

3

2

1

C3

R7

2.2K

549/1%

243/1%

121/1%

10/1%

R10

R11

R6

R9

R8

11
10

5
4

7
6

9
8

R12

330K

312

+

-

+

-

+

-

+

-

10/25V

IC5A

LM339D

IC5B

LM339D

IC5C

LM339D

IC5D

LM339D

STEP 4

2

R13

2.7K

OPTO1A

PC3Q17

STEP 3

1

R14

2.7K

OPTO1B
PC3Q17

STEP 2

14

R15

2.7K

OPTO1C
PC3Q17

STEP 1

13

R16

2.7K

OPTO1D
PC3Q17

R17

15K

7.5K

R19

1.8K

R20

2K/1%

R18

26-48-1035

A/OUTPUT

A/IGM

A/CLIP

A/PROTECT

B/OUTPUT

B/IGM

B/CLIP

B/PROTECT

A/TEMP
B/TEMP

+20V

+24V

13
12
11
10
9
8
7
6
5
4
3
2
1

J2

1
2
3

J2

09-48-2131

C5

0.1/50V

1N4004

1N4004

1N4004

1N4004

C4

0.1/50V

D10

D8

D9

D7

ANALOG GND

ANALOG GND

A/+16V
B/+16V
A/-16V
B/-16V

26-48-1075

DATA & POWER CONN.

09-48-2101

1
2
3
4
5
6
7

J3

1
2
3
4
5
6
7
8
9
10

J1

R1

100K

IC2B
NJM5532M

5

D D

D1

1N4148

D2

1N4148

+

6

-

R2

7

D3

DL103A

150K

R3

10K

1.78K/1%

R4

10K

D4

DL103A

84

2

-

3

+

IC2A

C C

NJM5532M

C1

0.1/50V

1

0.1/50V
C2

C4

.22/50V

VR JUMPER

B B

CHANNEL B SAME AS ABOVE

A A

8

7

6

5

4

3

CREST AUDIO
100 EISENHOWER DRIVE

PARAMUS, NJ 07652
Title

NEXSYS DATA ENCODER

Size Document Number Rev

21B1646

B

Date: Sheet of

2

0 0Wednesday, May 17, 2000

1

8

7

6

5

4

3

2

1

23

D D

PRIOR TO 6-3-92 R14/R15 WERE 680/10W ON MODEL 6001

R1

LM317T

IC3

R17

1

221/1%

D5

1N4004

390/2W

D1

1N4148C3

10/50V

R6

2.2K

C C

R5

2.2K

Z1

1N5363A

D4

1N4004

23

R16

4.7K

C1

0.1/100V

R15
NOTE 1

Q1

IC2B

LM393N

7

D3

1N4148

+

-

39.2K/1%

5
6

R10

R8
1K

R12

1K/1%

R11

1K/1%

R7
1K

MPSA13

84

2

-

3

+

1

IC2A

LM393N

D2

1N4148

R4

100K

R3

2.2K

R9

39.2K/1%

IC1

1

LM317T

221/1%

R2

15
14
13
12
11
10
9
8
7
6
5
4
3
2

B B

1

M1

26-48-1155
R14

NOTE 1

NOTE 1:

680/10W ON 7001

CREST AUDIO INC.

620/10W ON 6001

A A

1K/10W ON 3301

150 Florence Ave.
Hawthorne, NJ 07506

1.1K/10W ON 4601

Title

7001/6001/4601/3301 FAN DRIVER

Size Document Number Rev

21A0952

A

8

7

6

5

4

3

2

Date: Sheet of

1 1Wednesday, May 17, 2000

1

8

D D

7

NOTE 2

SW1

6

5

4

3

2

1

0.15/400V

C1

BR1
BR352W

RED +VCC

RED +VCC

P1
PLUG AC MALE

C C

C2
NOTE 1

C4
NOTE 1

C6
NOTE 1

BLACK GND
BLACK GND

BLACK GND
26V AC
26V AC

T1

C3
NOTE 1

C5
NOTE 1

C7
NOTE 1

BLACK GND

22C1033

GREEN -VCC

120 VOLT VERSION

B B

NOTE 1

NOTE 2

3301 = 4-7300UF/80VDC
4601 = 6-6800UF/90VDC

3301 = 11A BREAKER 120V
3301 = 6A BREAKER 240V
4601 = 18A BREAKER 120V
4601 = 11A BREAKER 240V

NOTE 3 OMIT C6,C7 ON 3301

.25 LUG

J1

1
2

26-48-1025

GREEN -VCC

A A

8

7

6

5

4

3

CREST AUDIO

150 FLORENCE AVE.
HAWTHORNE, NJ 07506
Title

3301/4601 POWER SUPPLY PCB SCHEMATIC

Size Document Number Rev

21A1342

B

Date: Sheet of

2

1 1Wednesday, May 17, 2000

1

8

7

6

5

4

3

2

1

R94

R14

22

TIP117

4.7/1W
R139

10/1W

Q22

330PF

SF14

1K/2W

330PF

D29

R101

2SC2336BQ

R147

10/1W

C39

1K/1W

C38

R146

10/1W

Q21
2SA1006BQ

R138

10/1W

R103

R102
1K/1W

Q24
2SC3281

2.2/1W

R104
51/2W

2.2/1W

Q23
2SA1302

R125

R111

R107
30/2W

R106
30/2W

Q28
2SC3281

R124

0.33/5W

R112

0.33/5W

Q27
2SA1302

R127

2.2/1W

R113

2.2/1W

Q30
2SC3281

R126

0.33/5W

R114

0.33/5W

Q29
2SA1302

R129

2.2/1W

R115

2.2/1W

Q32
2SC3281

R128

0.33/5W

R116

0.33/5W

Q31
2SA1302

R131

2.2/1W

R117

2.2/1W

Q34
2SC3281

R130

0.33/5W

R118

0.33/5W

Q33
2SA1302

R133

2.2/1W

R119

2.2/1W

0.33/5W

0.33/5W

R132

R120

R143

C29

0.1/100V

100/16V

51/0.5W

C30

MBS4991

SBS2

R95
1K

SBS1

Q17

MBS4991

R142

51/0.5W

R89

4.7/1W

Q36
2SC3281

Q35
2SA1302

D35

FR204

0.047/630V

D34

FR204

1/10W

2uH

L1

R3

10/10W

22/160V

C1

22/160V

C43

RL1

K10P-11D55-24

R1

C44

D36

1N4004

R93

51.1/1W/1%

D D

17
16
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

M4

GOLD

METHODE

C C

10/1W

PTC15LB/250

R100

51.1/1W/1%

1200pF

Q16
2SA1006BQ

R91

220

C31

330PF

VR2

C28

R90
510

Q15
2SC2336BQ

R92

RED

BLK

WHT

GRN

J2

1
2
3
4
5

(HARD-WIRE)

IC5

32

1

LM35DP

R165

2.2K

CC151,CV301 - OMIT R117,R118,R130,R131 Q33,Q34

B B

A A

CREST AUDIO INC.

150 Florence Ave.
Hawthorne, NJ 07506
Title

CV301, 4601, 3301 OUTPUT PCB

Size Document Number Rev

21B1027

C

8

7

6

5

4

3

Date: Sheet of

2

1 1Wednesday, May 17, 2000

1

01

8

7

6

5

4

3

2

1

1
2
3

D D

4
5
6
7
8

9
10
11
12
13
14
15

M6 DISPLAY

15
14
13
12
11

C C

10

9

8

7

6

5

4

3

2

1

J1 FAN

1

2

3

4

5

B B

6

7

8

9
10
11
12
13
14
15

M5 DISPLAY

J12

2

1

03-09-1022

J13

4

A A

3

2

1

03-09-1042

8

BLUE/WHITE
BLUE
BLACK/WHITE
BLACK
BLACK/WHITE
BLACK
YELLOW (X2)
RED
PURPLE (X2)
WHITE/BLACK
ORANGE
GREY
BROWN
GREEN
RED/WHITE

RED/BLACK
RED/BLACK
WHITE/RED
RED/WHITE
BLACK/RED
WHITE
BLUE/WHITE
BLACK 18 GA

RED
RED
YELLOW/WHITE
YELLOW
GREEN/BLACK
GREEN/BLACK

GREY/BLACK
WHITE/GREY
BLACK
BLACK
BLUE/WHITE
WHITE
YELLOW/WHITE (X2)
RED/WHITE
PURPLE/WHITE
WHITE
ORANGE/WHITE
GREY/WHITE
BROWN/WHITE
GREEN/WHITE
BLACK/RED

BLACK
PURPLE/WHITE

GREEN/WHITE
GREEN
RED/WHITE
RED

M5 TEMP/RELAY CH.B

BLUE
BLACK

RED

YELLOW

BLACK

J3 CH.B PREAMP

PURPLE
ORANGE

BLUE SHIELDED

1
2
1

F1

1
2

F3

RED/BLACK

GREEN/BLACK

2

3

4

5

6

7

8

CH.B OCTAL

1

2

3

4

5

6

7

8

CH.A OCTAL

BLACK,BLACK SHIELD
PURPLE
GREEN/BLACK
WHITE/RED
YELLOW SHIELDED
YELLOW SHIELDED
BLUE SHIELDED

BLUE SHIELDED
BLACK,WHITE SHIELD
PURPLE/WHITE
RED/BLACK
WHITE/RED
YELLOW SHIELDED
YELLOW SHIELDED
BLUE SHIELDED

(X2)

(X2)

J1

1

P.S. BOARD

2

.25 PUSH-ON LUG
.25 PUSH-ON LUG

GREEN/WHITE

WHITE/BLACK (X2)

RED/WHITE

WHITE/BLACK

POWER SUPPLY

M5 TEMP/RELAY CH.A

BLUE/WH

BLACH/WH

YELLOW/WH

BLACK/WH

GREY
BROWN
GREEN

GROUND LUG

RED/WH

1
2
3
4
5

YELLOW SHIELDED

YELLOW SHIELDED

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

YELLOW SHIELDED

YELLOW SHIELDED

YELLOW SHIELDED

YELLOW SHIELDED

1
2
3
4
5

YELLOW SHIELDED

WHITE/RED

BLACK SHIELD

BLUE SHIELDED
BLACK SHIELD
BLUE SHIELDED

BLACK SHIELD

BLUE SHIELDED

BLACK SHIELD
BLUE SHIELDED

BLACK 18 GA
BLACK 18 GA

BLUE SHIELDED

WHITE SHIELD

WHITE/RED

WHITE SHIELD

BLUE SHIELDED

WHITE SHIELD

BLUE SHIELDED

13
12
11
10
9
8
7
6
5
4
3
2
1

J2 CH.B

3
2
1

M8 DISPLAY

8
7
6
5
4
3
2
1

J3 INPUT

13
12
11
10
9
8
7
6
5
4
3
2
1

J2 CH.A

PURPLE/WHITE
ORANGE/WHITE

GREEN

WHITE (X2)

GREY/WHITE
BROWN/WHITE
GREEN/WHITE

RED

WHITE

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

WHITE SHIELD

YELLOW SHIELDED

BLUE SHIELDED

3
2
1

M7 DISPLAY

J3 CH.A PREAMP

CREST AUDIO INC.

CHANGES MADE TO A 7001 HARNESS TO PRODUCE A 4601 HARNESS

1 - ADD 18 GA BLACK WIRE FROM PIN 08 ON J1 FAN TO POWER SUPPLY GND LUG

2 - DELETE J1 RELAY AND COMBINE ITS WIRES A,B RESPECTIVLY WITH M5 OF CH.A AND CH.B AS SHOWN

3 - BOTH CH.A AND CH.B M5 HEADERS CHANGE FROM 3 PIN TO 5 PIN HEADERS TO HOUSE EXTRA RELAY WIRES

7

6

5

4

3

150 Florence Ave.
Hawthorne, NJ 07506
Title

4601 HARNESS SCHEMATIC

Size Document Number Rev

21B1312

B

Date: Sheet of

2

1 1Wednesday, May 17, 2000

1

8

7

6

5

4

3

2

1

CENTER TAP

D1

1N4004

D D

34 V. AC

F1

3A/MINI

34 V. AC

26-48-1155

M5

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

44 V. OUT
SIGNAL CH. A
CLIP CH. A
CONTROL V. CH. A
LIMIT CH. A

C C

SPKR. RAIL CH. A
MUTE CH. A
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND
TRANSFORMER TEMP
TRANSFORMER TEMP

RS202

D3

1N4148

R42

33/2W/5%

C9
470/25V

C6

470/50V

LED 3

SIGNAL

100K

R7

BR1

R3

10K

R5

2.7K

Q1
2N5551

2N5551

D5
1N4148D71N4148

C1
1/50V

D9
1N4148

R11

5K/5W

TR1

R13

10K

MAC97A

C8

100/25V

470/6.3V

R9

2.7K

R40

SELECTED

Q3

LED 1

CLIP

C3

Z1

1N5927

D11

1N4148

26-48-1136

C5

0.1/100V

M12

12345678910111213

1N5927

R41

SELECTED

R12

5K/5W

TR2
MAC97A

C2
1/50V

2N5551

2.7K

R6

R4

D6
1N4148

10K

D4
1N4148

D2
1N4148

M6

15
14
13
12
11
10
9
8
7
6
5
4
3
2
1

26-48-1155

27 V. IN
SIGNAL CH. B
CLIP CH. B
CONTROL V. CH. B
LIMIT CH. B
SPKR. RAIL CH. B
MUTE CH. B
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND.
GROUND
RELAY GROUND
RELAY GROUND
RELAY 1,3
RELAY 2,4

Q2

R14

10K

R8

100K

LED 4

SIGNAL

D8
1N4148

LED 2

CLIP

R10

2.7K

2N5551
Q4

C4

470/6.3V

Z2

C7

100/25V

D10

1N4148

R19

5.1K

1N4148

D17

1N4148

D15

-

2

+

3

4 13

R29
10K

4.7K

LED 5

TEMP/DC

R17

2.7K

1

IC1A
LM614

R38

R25

100K

D13

1N4148

B B

LED 7

ACTIVE

R15

2.7K

MPSA75

Q5

R27
390

7

R21

IC1B
LM614

R34

4.7K

R24
750/1%

D18

1N4148

R32

390K

1K

R23

750/1%

8

499/1%

13

IC1E

LM614

9

R35

R36

499/1%

R37

2.2K

D19

1N4148

-

6

+

5

R31

390K

R33

4.7K

R22
1K

LM614

IC1D

D14

16

1N4148

D16

1N4148

-

15

+

14

M9

53.6K 1/4W/1%

60.4K 1/4W/1%

73.2K 1/4W/1%

123456789

M7

3
2
1

26-48-1035

A A

VR1
5KB

10

26-48-1102

R40, R41 RESISTOR VALUES

MODEL VALUE
3301 41.2K 1/4W/1%
4601
4801
6001
7001 84.5K 1/4W/1%

R20

5.1K

12
11

R39 100K

R30
10K

LED 6

TEMP/DC

R18

2.7K

+

10

-

IC1C

LM614

R26

4.7K

R28
390

LED 8

ACTIVE

R16

2.7K

Q6
MPSA75

D12

1N4148

M8

3

26-48-1035

2
1

VR2
5KB

CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506

Title

7-6-48-46-3301 DISPLAY W/NEXSYS CONTROL

Size Document Number Rev

21C1095

C

8

7

6

5

4

3

Date: Sheet of

2

1 0Wednesday, May 17, 2000

1

02

8

7

6

5

4

3

2

1

R8

10K

VCC+

R9
1K

MPSA75

Q3

R10

R7

10K

100K

R11
22K

R13

220K

C5
470pF

D2

1N4148

R83

NOTE 4

C2

47/35V

D3
1N4148

D13

1N4148

R31

4.7K

R32

1.5K/1%

R33
22K

R30

C13

10/35V

47K

C6 30pF

SIP1B

10K/0.2%

-

6

7

+

5

IC1B
NE5532AN

VCC-

R17 4.7K

84

1

+-IC2A

RC4559

SERVO/HIGH PASS CURRENT LIMITER

R18

2.2K

3
2

R14

10K/1%

84

+

-

0.001/50V

1

IC1A
NE5532AN

R15

10K/1%

2.2/5%/100V

R19
10K

C10

549/1%

-

8

14

+

SELECTED

R38

SELECTED

1

9

R39

VCC-

VCC

R40

-

6

+

7

IC3C

LM339N

C8

10K

R20

IC3B

LM339N

R27

2.2K

D21

NOTE 4

1N4148

D20

VCC+

R29

2.2K

312

5

+

2

4

IC3A

-

LM339N

R28
10K

R81
10K

1N4148

2.2K

R49

R50

10K

13

IC3D
LM339N

D12

ATTENUATOR DRIVER

Q2

R5

4.7K

VCC+

C9

R6
10K

TURN ON DELAY

D5

1N4148

D6

1N4148

C4

30pF

BALANCED INPUT/GAIN

2.2/5%/100V

D9

1N4148

R24

680K

5

+

6

-

RC4559

R25

680K

C1

100/35V

D7

1N4148

C7

0.1/50V

VCC+

2
3

VCC-

VCC+

R26

1K

7

IC2B

VCC- VCC-

D1

1N4148

R1

15K

R2
330K

D D

VCC-

13
12
11
10

9
8
7
6
5
4
3
2
1

J2-M
26-48-1135

C3 0.1/50V

SIP1A

10K/0.2%

SIP1C

Q1
2N5401

R4

22K

R3

2N5551

10K

D4

1N4148

10K/0.2%

SIP1D
10K/0.2%

C C

R16

150K

SPEAKER
SIGNAL
CLIP
CONTROL

SPEAKER

LIMIT
MUTE

B B

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

J3-M
26-48-1155

R21

100K

R82

NOTE 4

VR1

NOTE 4

D8

1N4148

C11
1/50V

R22 10K

D10 1N4148

D11 1N4148

R23 10K

C12 1/50V

SIGNAL DETECTOR CLIP DETECTOR AMPLIFIER FRONT END/IC POWER SUPPLY

R34

499/1%

1
2
3
4
5
6
7
8 9

NE5517AN

VCC-

ATTENUATION/MUTE

R41
1K/0.1%

R42
1K/0.1%

VCC+

11

+

10

-

1M

100K

R51

R52

IC4

R43
1K/0.1%

R44
1K/0.1%

2N5551
Q4

16
15
14
13
12
11
10

R45 100K/0.1%

R46 100K/0.1%

R47

100K/0.1%

R48

100K/0.1%

R53
100K

R54
1M

VCC-

2N5401
Q5

R35
750/1%

VCC+

R36

Z1 1N5353

C14 470uF

3.3K
C16 470uF

0.47/250V

R37
47K

Z3 1N5938

R55

2.2K

D14

1N4148

D15

1N4148

Z4 1N5938

0.47/250V

C17 470uF

C15 470uF

Z2 1N5353

R56

2.2K

C18

0.1uF

R57

100

R58
100

C20

C21

0.1uF
C19

2N5401

VCC+

R65

NOTE 3

R59
511/1%

2N5551

R69
NOTE 1

Q14
2N5551

Q10

Q6

2N5551

R73
0

R74

R76
NOTE 2

R78

2.7K

R79

11K/1%/1W

R80

549/1%

R77
NOTE 2

47

D18

SF14

C22

09-52-3172

J1-F

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

30pF

D19

SF14

R75

D16

1N4148

D17

1N4148

Q8
2N5551

R61

68.1/1%

R63

8.25K/1%

R62

68.1/1%

Q9
2N5401

2N5551
Q12

R67

68.1/1%

R64

8.25K/1%

R68

68.1/1%

2N5401
Q13

R71
100

R72

100

47

Q11

R70
NOTE 1

2N5401

Q15
2N5401

Q7

R60
511/1%

R66

NOTE 3

VCC-

NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601

6.8K 2W ON MODELS 6001, 4801

4.3K 2W ON MODEL 4601

5.6K 2W ON MODELS CC301/300

3.3K 2W ON MODELS CV301, CC151, 3301

A A

NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601

20K 2W ON MODELS 6001, 4801, CC301

16K 2W ON MODEL 4601

15K 2W ON MODELS CV301, CC151, 3301

8

7

NOTE 3: 750 10W ON MODELS 8001, CV601

680 10W ON MODEL 7001

620 10W ON MODEL 6001

560 10W ON MODELS 4801, MA5850

1.1K 10W ON MODEL 4601

560 10W ON MODELS CC301

1K 10W ON MODELS CV301, 3301

360 10W ON MODEL CC151

NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY

PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5:

6

1.1K 10W ON MODEL 4601

560 10W ON MODELS CC301

1K 10W ON MODELS CV301, CC151, 3301

NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY

5

REV NOTES 7/15/93

(1) DELETE R12

CREST AUDIO INC.

150 Florence Ave.
Hawthorne, NJ 07506

Title

PRO-LINE PREAMP/FRONT END

Size Document Number Rev

21C1124-02 02

C

4

3

Date: Sheet of

2

1 0Wednesday, May 17, 2000

1

8

7

6

5

4

3

2

1

TEMP 'A'

R123

IGM 'A'

D D

R119

CLIP 'A'

10K

R122

R118

100K

312

A/CLIP

5

+

2

4

-

IC101A

LM339

220

+24V

R117

2.2K

R121
10K

C C

0.1/50V

R120

100K

B/CLIP

7

+

1

6

-

IC101B

LM339

C105

0.1/50V

C104

10K

9

+

8

-

R124
10K

R125

10K

11

+

10

-

R126

10K

D107

1N4001

D108

1N4001

D109

1N4001

D110

1N4001

LM339

LM339

IC101C

IC101D

R101

14

4.7K

R109

13

4.7K

3
2

5
6

1N4148

84

+

1

-

IC102A
LM358A

R102

4.7K

D102

1N4148

+

7

-

IC102B

LM358A

R110

4.7K

D105

VDDA

VDDB

VEEA

VEEB

R105

100

C101
1/50V

R103

2.7K

R107

4.7K

TEMP 'B'

R111

2.7K

R115

4.7K

C102
1/50V

Z101

R108

1K

1N5918A

(5.1V)

R113

100

R116

1K

1N5918A

(5.1V)

PROT 'A'

DATA 'A'

C103

0.1/50V

Z102

PROT 'B'

DATA 'B'

A/DATA

AUX GND

B/DATA
A/+16V
B/+16V
A/-16V
B/-16V

DATA & POWER CONN.

26-48-1075

1
2
3
4
5
6
7

J3

IGM 'B'

CLIP 'B'

34 V. AC

2N5551
Q4

470/6.3V

1N4148

R8
100K

D8
1N4148

C4

100/25V

D10

R6

2.7K

D6
1N4148

10K

D4
1N4148

R4

D2
1N4148

M6

15
14
13
12
11
10
9
8
7
6
5
4
3
2
1

26-48-1155

27 V. IN
SIGNAL CH. B SIGNAL CH. A
CLIP CH. B
CONTROL V. CH. B
LIMIT CH. B
SPKR. RAIL CH. B
MUTE CH. B
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND.
GROUND
RELAY GROUND
RELAY GROUND
RELAY 1,3
RELAY 2,4

2N5551

Q2

LED 4
SIGNAL

C2
1/50V

R12

5K/5W

TR2
MAC97A

C7

R14

10K

R5

D7
1N4148

2.7K

Q1
2N5551

R13

10K

F1

34 V. AC

3A/MINI

44 V. OUT

CLIP CH. A
CONTROL V. CH. A
LIMIT CH. A
SPKR. RAIL CH. A

B B

MUTE CH. A
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND

TRANSFORMER TEMP GND

TRANSFORMER TEMP

M5

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

26-48-1155

BR1
RS202

C6
470/50V

D3
1N4148

R3

10K

D5
1N4148

R11

5K/5W

MAC97A

R7

100K

LED 3

SIGNAL

D9

C1

1N4148

1/50V

TR1

470/6.3V

C8

100/25V

2N5551

C3

R9

2.7K

Q3

LED 1

CLIP

Z1

1N5927A

0.1/50V

C5

1N5927A

R10

2.7K

LED 2
CLIP

Z2

D11

1N4148

LED 5

TEMP/DC

R17

2.7K

1

IC1A

LM614

R38

R25

100K

4.7K

26-48-1035

LED 7

D13

ACTIVE

1N4148

R15

M7

3
2
1

VR1
5KB

2.7K

MPSA75

Q5

R27
390

A A

8

7

R19

5.1K

-

2

+

3

4 13

1N4148

R29
10K

1N4148

R21

D15

7

IC1B
LM614

D17

12-14-93

NOTE 1

R23

750/1%

1K

D19

1N4148

-

6

+

5

R31

390K

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.
CHANGE Z101,Z102 FROM 1N5913 TO 1N5918.

499/1%

R33

4.7K

IC1E

LM614

R35

R23,R24 WILL CHANGE TO 1K/1% WITH UL APPROVAL.

6

8

13

9

R37

2.2K

499/1%

R24
750/1%

D18

1N4148

R36

R34

4.7K

R22
1K

D14

-

15

16

+

14

IC1D

1N4148

LM614

R32

390K

D16

1N4148

5

R20

5.1K

12
11

R39 100K

R30
10K

3

26-48-1035

M8

3
2
1

CREST AUDIO
100 EISENHOWER DRIVE

PARAMUS, NJ 07652
Size Document Number Rev

21D1977-xx

D

2

Date: Sheet of

1

0 0Wednesday, May 17, 2000

LED 6

LED 8

D12

ACTIVE

TEMP/DC

R18

2.7K

+

10

-

IC1C

LM614

R26

4.7K

R28
390

R16

2.7K

Q6
MPSA75

1N4148

4

VR2
5KB