Crest Audio 4801 Schematic

8

7

6

5

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
10K

SELECTED

1

9

R39

VCC-

VCC

R40

-

6

+

7

IC3C
LM339N

C8

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%

2
3
4
5
6
7
8 9

NE5517AN

VCC-

ATTENUATION/MUTE

R41
1K/0.1%

R42
1K/0.1%

VCC+

11

+

10

-

R51

1M

R52
100K

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%

N5551

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.

50 Florence Ave.

Hawthorne, NJ 07506

itle

PRO-LINE PREAMP/FRONT END

Size Document Number Rev

21C1124-02 02

C

3

Date Sheet of

2

1 0Friday May 19 2000

1

8

7

02 10 94

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 MLL4728 TO MLL4733

6

5

4

3

2

TEMP 'A'

R123

R11

5K/5W

MAC97A

10K

9

+

8

R12

10K

R125

10K

11

+

10

R126

10K

D107

1N 00

D108

1N 00

D109

1N 00

D110

1N 00

R7

100K

LED 3

SIGNAL

PMBT5551

D9

C1

1N 1 8

1/50V

R1

70/6.3V

C8
100/25V

R101

1

7K

C101C

LM339M

R109

13

.7K

IC101D

LM339

R9

2.7K

Q3

LED 1

CLIP

C3

MLL 7 2

IGM 'A'

D D

CLIP 'A'

R119

10K

R122

R118
100K

312

A/CLIP

5

+

2

IC101A

LM339M

220

2 V

R117

2.2K

R121

10K

C C

3 V. AC

3A/MINI

F1

BR1
RS202

C6

3 V. AC

70/50V

Z3

MLL 728

R 6

7K

C10

2.2/100V

R 7

M5

15

CLIP CH A
CONTROL V CH A

B B

LIMIT CH A
SPKR RAIL CH A
MUTE CH A
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND

TRANSFORMER TEMP GND

TRANSFORMER TEMP

1
13
12
11
10

9
8
7
6
5

3
2
1

26- 8-1155

10K/1W

3

R50

2

2.2K
R3

NOTE 2

10K

D3
1N 1 8

R120
100K

B/CLIP

7

+

1

6

IC101B

LM339M

0.1/50V

C105

0.1/50V

C10

CLIP 'B'

R 2

R5

10K

2.7K

8

+

1

IC2A
LM393M

D5
1N 1 8

D7
1N 1 8

Q1
PMBT5551

R13

10K

8

3

+

1

2

IC102A

LM358AM

R102

.7K

D102
1N 1 8

5

+

7

6

IC102B

LM358AM

R110

.7K

D105

1N 1 8

VDDA

VDDB

VEEA

VEEB

R 5

VR3
250

Z1

5.3/1%

99/1%

R

D11

1N 1 8

R105

100

C101
1/50V

R103

2.7K

R107

.7K

TEMP 'B'

C102

1/50V

R111

2.7K

R115

7K

Z101

R108

1K

MLL 733

R113

100

R116

1K

MLL 733

PROT 'A'

DATA 'A'

C103

0.1/50V

Z102

PROT 'B'

DATA 'B'

/D T

AUX GND

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

DATA & POWER CONN

26- 8-1075

1
2
3

5
6
7

J5

IGM 'B'

0.1/50V

MLL 7 2

NOTE 3

R8

PMB 555
Q

100K

D8
1N 1 8

C

C5

R10

2.7K

LED 2

CLIP

R52

70/6 3V

Z2

100/25V

D10

R6

2.7K

PMBT5551

Q2

LED
S GNAL

C2
1/50V

R12

5K/5W

R2

MAC97A

C7

R 3

10K

NOTE 2

D2
1N 1 8

Z

MLL 728

R 8

7K

C11

2 2/100V

R 9

10K/1W

R

10K

26- 8-1155

M6

15
1
13
12
11
10
9
8
7
6
5

3
2
1

44 V OUT 24 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

IC2B
LM393M

5

+

7

R53

6

2.2K

D6

D
1N 1 8

1N 1 8

R1

10K

1N 1 8

LED 7

26- 8-1035

D13

ACTIVE

1N 1 8

M7

3
2
1

VR1
5KB

R15

2.7K

LED 5

TEMP/DC

R17

2.7K

1

IC1A

LM61 WM

R38

100K

R25
7K

MPSA75

Q5

R27

A A

8

7

390

R19

5.1K

13

2

+

3

1N 1 8

R29
10K

1N 1 8

R21

D15

7

IC1B
LM61 WM

D17

R23

1K

750/1%

8

LM61 WM

R35

99/1%

R33

.7K

13

IC1E

9

R37

2.2K

D19

1N 1 8

6

+

5

R31

390K

6

99/1%

R2
750 1%

D18

1N 1 8

R36

R3

.7K

R22
1K

+

LM61 WM

D1

10

C1C

1N 1 8

11
12

R32

390K

D16

1N 1 8

5

R20

5.1K

1
15

R39 100K

R30
10K

+

IC1D

LM61 WM

26- 8-1035

M8

3
2
1

LED 6

TEMP/DC

R18

2.7K

ACTIVE

R16

2.7K

LED 8

1N 1 8

D12

VR2
5KB

16

R26

.7K

Q6

MPSA75
R28
390

4

NOTE 1 R3 R4 NOT INSTALLED

RESERVED FOR FUTURE USE

NOTE 3 R52 USED FOR FIXED SIGNAL PRESENSE THRESHOLD

3

CREST AUDIO

00 EISENHOWER DRIVE

PARAMUS, NJ 07652

ite

MA5850 DISPLAY WITH NEXSYS

Size Document Number Rev

21D1777

D

2

Date: Sheet of

0 0Fr day, May 19, 2000

8

7

6

5

4

3

2

TEMP 'A'

R123

IGM 'A'

D D

R119

CLIP 'A'

10K

R122

220

R118

100K

312

A/CLIP

5

+

2

IC101A

LM339

2 V

R117

2.2K

R121
10K

C C

0.1/50V

R120

100K

B/CLIP

7

+

1

6

IC101B

LM339

C105

C10

0.1/50V

10K

9

+

8

R12

10K

R125

10K

11

+

10

R126

10K

D107

1N 001

D108

1N 001

D109

1N 001

D110

1N 001

LM339

LM339

IC101C

IC101D

R101

1

.7K

R109

13

.7K

3
2

5
6

1N 1 8

8

+

1

IC102A
LM358A

R102

.7K

D102

1N 1 8

+

7

IC102B

LM358A

R110

.7K

D105

VDDA

VDDB

VEEA

VEEB

R105

100

C101
1/50V

R103

2.7K

R107

7K

TEMP 'B'

R111

2.7K

R115

.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- 8-1075

1
2
3

5
6
7

J3

IGM 'B'

CLIP 'B'

3 V. AC

2N5551
Q

70 6.3V

1N 1 8

R8
100K

D8
1N 1 8

C

100/25V

D10

R6

2.7K

D6
1N 1 8

10K

D
1N 1 8

R

D2

1N 1 8

M6

15
1
13
12
11
10
9
8
7
6
5

3
2
1

26- 8 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
SIGNAL

C2
1/50V

R12

5K/5W

TR2
MAC97A

C7

R1

10K

R5

44 V OUT

3A/MINI

F1

BR1
RS202

M5

15
1
13
12
11
10

9
8
7
6
5

3
2
1

26- 8-1155

C6

70/50V

D3

1N 1 8

R3

10K

D5
1N 1 8

3 V. AC

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

D7
1N 1 8

2.7K

Q1
2N5551

R13

10K

R11

5K/5W

MAC97A

R7

100K

LED 3

SIGNAL

D9

C1

1N 1 8

1/50V

TR1

70/6.3V

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

1N 1 8

LED 5

TEMP/DC

R17

2.7K

1

IC1A

LM61

R38

R25

100K

.7K

26- 8-1035

LED 7

D13

ACTIVE

1N 1 8

R15

M7

3
2
1

VR1
5KB

2.7K

MPSA75

Q5

R27
390

A A

8

7

R19

5.1K

13

2

+

3

1N 1 8

R29
10K

1N 1 8

R21

D15

7

IC1B
LM61

D17

12 14 93

NOTE 1

6

R23

750/1%

1K

D19

1N 1 8

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

99/1%

R33

C1E

LM61

R35

.7K

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

8

13

9

R37

2.2K

99/1%

R2
750/1%

D18

1N 1 8

R36

R3

.7K

R22
1K

15
1

D1

16

+

C1D

1N 1 8

LM61

R32

390K

D16

1N 1 8

5

R20

5.1K

12
11

R39 100K

R30
10K

3

26- 8-1035

M8

3
2
1

CREST AUD O
100 EISENHOWER DRIVE

PARAMUS, NJ 07652
Size Document Number Rev

21D1977-xx

D

2

Date: Sheet of

0 0Wednesday, May 17, 2000

LED 6

LED 8

D12

ACTIVE

TEMP/DC

R18
2 7K

+

10

C1C

LM61

R26

.7K

R28
390

R16
2 7K

Q6
MPSA75

1N 1 8

4

VR2
5KB

8

7

6

5

4

3

2

1

J1 RELAY

M5 TEMP CH.B

RED

J3 CH.B PREAMP

POWER SUPPLY

GROUND LUG

1
2
3
4

YELLOW SHIELDED

YELLOW SHIELDED

3
2
1

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

YELLOW SHIELDED

YELLOW SHIELDED

25 LUG

YELLOW SHIELDED

BLACK

BLACK

YELLOW

ORANGE

GREY
BROWN
GREEN

BLUE

BLUE/WHITE

BLUE/WHITE

1

D D

10
11
12
13
14
15

BLUE

2

BLACK/WHITE

3

BLACK

4

BLACK/WHITE

5

BLACK

6

YELLOW (X2)

7

RED

8

PURPLE

9

WHITE/BLACK
ORANGE
GREY
BROWN
GREEN
RED/WHITE

M6 DISPLAY

1

2

1

1

BLACK
RED

TO FAN
TO FAN

BLACK/WHITE

PURPLE (X2)

GREEN/WHITE

WHITE/BLACK (X2)

RED/WHITE

J2B RELAY

C C

10

BLACK 18 GA
BLACK 18 GA

9

BLACK 18 GA

8

YELLOW

7

YELLOW/WHITE

6

GREEN/BLACK

5

RED/BLACK

4

BLACK/RED

3

WHITE/RED

2

RED/WHITE

1

WHITE/BLACK

WHITE/RED

BLACK SHIELD

BLUE SHIELDED
BLACK SHIELD
BLUE SHIELDED

BLACK SHIELD

BLUE SHIELDED

WHITE/RED (X2)

RED/BLACK
GREEN/BLACK
BLACK 18 GA
BLACK 18 GA

BLACK SHIELD

BLUE SHIELDED
WHITE SHIELD

BLUE SHIELDED

PURPLE/WHITE

PURPLE

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

J2 CH.B

3
2
1

M8 DISPLAY

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

J5 INPUT

J2A RELAY

J12

BLACK

2

PURPLE/WHITE

1

03-09-1022

J13

GREEN/WHITE

4

B B

03-09-1042

10
11
12
13
14
15

A A

M5 DISPLAY

RED/WHITE

3

GREEN

2

RED

1

BLACK/WHITE

YELLOW/WHITE

RED/WHITE

3
2
1

M5 TEMP CH.A

GREY/BLACK

1

WHITE/GREY

2

BLACK 18 GA

3

BLACK 18 GA

4

BLACK 18 GA

5
6

YELLOW/WHITE (X2)

7

RED/WHITE

8

PURPLE/WHITE

9

WHITE
ORANGE/WHITE
GREY/WHITE
BROWN/WHITE
GREEN/WHITE
BLACK/RED

.25 LUG
.25 LUG

PURPLE/WHITE
ORANGE/WHITE

WHITE (X2)

GREY/WHITE
BROWN/WHITE
GREEN/WHITE

WHITE

GREEN

RED

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

J3 CH.A PREAMP

REV. 02 - MODIFY HARNESS TO ACCEPT

CREST COMPUTER CONTROL SYSTEM

REV. 01 EFFECTIVE S/N# 9004Q20

CHANGE RELAY BOARD

8

7

6

5

4

3

WHITE/RED (X2)

WHITE SHIELD

YELLOW SHIELDED

BLUE SHIELDED

WHITE SHIELD

BLUE SHIELDED

YELLOW SHIELDED

WHITE SHIELD

YELLOW SHIELDED

BLUE SHIELDED

CREST AUDIO INC.

150 Florence Ave.
Hawthorne, NJ 07506
Title

Size Document Number Rev

B

Date: Sheet of

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

J2 CH.A

3
2
1

M7 DISPLAY

4801 HARNESS SCHEMATIC

21B1010

2

02

1 1Wednesday, May 17, 2000

1

8

D D

7

6

5

3

2

1

C37

R135
390

R134
390

150pF

C42
2200pF

R162

D43
SF14

D42
SF14

1K

C41

1.5/250V

R159

2.2K/0.5W

C44

22/160V

R141
390/5W

D45

MR2406R

R133

3.9K

3.9K
R132

220/80V

220/80V

C48

C47

C50

2.2/100V

C49

2.2/100V

D44

MR2406R

R140

R158

2.2K/0.5W

390/5W

C46

0.047/250V

R93

51.1/1W/1%

Q16
2SA1006BQ

C C

J1

1
2
3
4
5
6
7
8

GOLD

METHODE

9
10
11
12
13
14
15
16
17

10/1W

R100

PTC15LB/250

51.1/1W/1%

1200pF

R91

R14

220

330pF

22

C31

VR2

C28

R90
510

TIP117

Q15
2SC2336BQ

R92

R94

4.7/1W

C29

0.1/100V

100/16V

R143
51/0.5W

C30

330pF

150/1W

150/1W

C39

R103

R102

D30
SF14

D29
SF14

Q17

C38

330pF

R142
51/0.5W

D28

4.7/1W

R89

SF14

R139

10/1W

Q22
2SC2336BQ

10/1W

R97 13K

C33

0.0047/100V

R101
200/2W

C32

0.0047/100V

R96 13K

10/1W

Q21
2SA1006BQ

R138
10/1W

R147

R146

1N4148

1N4148

R99
24K

R163
10/1W

Q24
2SC3281

2.2/1W

R104
51/2W

R125

R107
30/2W

Q28
2SC3281

R124

0.33/5W

R127

2.2/1W

D37

D36

R106
30/2W

R111

2.2/1W

Q23
2SA1302

R98
24K

R164

10/1W

R112

0.33/5W

Q27
2SA1302

R113

2.2/1W

Q42

R155

0.2/5W

Q30
2SC3281

R126

0.33/5W

R114

0.33/5W

R115

2.2/1W

Q29
2SA1302

R154

0.2/5W

R129

2.2/1W

2SC3281

2SC3281
Q40

R153

0.2/5W

Q32
2SC3281

R128

0.33/5W

R116

0.33/5W

Q31
2SA1302

R152

0.2/5W

R131

2.2/1W

R117

2.2/1W

2SC3281
Q38

R151

0.2/5W

Q34
2SC3281

R130

0.33/5W

R118

0.33/5W

Q33
2SA1302

R150

0.2/5W

D33
FR204

D35
FR204

D34
FR204

D32
FR204

R145

51/0.5W

2SC3281
Q36

R149
10/1W

R148
10/1W

D40
SF14

Z9

1N5927B

Z8

1N5927B

D41
SF14

R120
20K/1W

R119
20K/1W

2SA1006BQ
Q20

R137
100/0.5W

D39

1N4004

C35

47/16V

C34

47/16V

D38

1N4004

R136
100/0.5W

RED

RED/BLK

BLK

WHT

GRN/BLK

B B

1

2

3

J7
03-09-1032

IC5

32

1

LM35DP

2.2K

R165

C45

0.047/250V
2SA1302

Q41

2SA1302
Q39

NOTE: Q30, Q31, NOT USED ON MODELS 4801, CC151

2SA1302
Q37

2SA1302
Q35

2SC2336BQ
Q19

C36
150pF

R161

C43

1K

22/160V

C40

1.5/250V
GRN

R98, R99 ARE 39K ON MODEL CV601

A A

CREST AUDIO INC.

150 Florence Ave.
Hawthorne NJ 07506
Title

OUTPUT 4801/6001/7001/CC151/CC301/CV601

Size Document Number Rev

21CO951

C

8

7

6

5

3

Date Sheet of

2

1 1Wednesday, May 17, 2000

1

8

7

6

5

4

3

2

1

23

R17

1N4148

R2

221/1%

221/1%

D1

23

1N4004

R16

4.7K

TO DSP

GRND

680/10W

R14

D5

R15
680/10W

J2

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

26-48-1125

L1

3uH

R22

1/10W

10/10W

0.047/630V

L2

3uH

R23

1/10W

10/10W

0 047/630V

R20

C1

R21

C2

RL1
FRL-24

RL2
FRL-24

1N4004

1N4004

D6

D7

R19

33/2W

R18

33/2W

IN A

OUT A

IN B

OUT B

J1

1
2
3
4

26-48-1045

IC3

1

LM317T

R1

390/2W

D D

C12

10/50V

R6

2.2K

2.2K

R5

Z1

1N5363A

D4

1N4004

D3

Q1

IC2B

LM393N

7

5

+

6

-

R10

C C

39.2K/1%

R8
1K

R12

1K/1%

39.2K/1%
R9

1K/1%

R11

-

2
3

R7

1K

+

8 4

1

IC2A

LM393N

1N4148

D2

1N4148

R4

100K

MPSA13

2.2K

R3

1

IC1

LM317T

+104 CH A

B B

0.15/400V
C8

C3

17,000/55V

SW1 18 AMP

P1
PLUG AC MALE

BR1
MP14020W

C4

17,000/55V

+104 CH B

+52 CH A

+52 CH B

BR2
MP14020W

C5

-52 CH A

17,000/55V

C9

-52 CH B

0.15/400V
C6

17,000/55V

-104 CH A

-104 CH B

REV. 01 EFFECTIVE S/N# 9004Q20

120 VOLT VERSION

A A

32 VAC

CREST AUDIO INC.

32 VAC

T1

8

7

6

5

4

3

150 Florence Avenue
Hawthorne, NJ 07506
Title

4801 POWER SUPPLY/FAN DRIVER

Size Document Number Rev

21B1008

B

Date: Sheet of

2

1 1Wednesday, May 17, 2000

1

01