Ashly DPX-100 manual COMPRESSOR/LIMITER Meters

19

1

2

3

4

5

6

7

8

OUTPUT LEVEL (db)

+18

GAIN REDUCTION (db)

R151

D38

D37

D36

D35

D34

D33

D32

D31

D30

D29

E

+18

1.5K

E

+18

D49

D48

D47

D46

D45

D44

D43

D42

D41

D40

-21(G)

-18(G)

-15(G)

-12(G)

-9(G)

-6(G)

-3(G)

0(Y)

+3(Y)

+6(Y)

R159

D28

15K

D39

Q7

2N4123

+20(R)

(Y)

-2(R)

-4(R)

-6(R)

-8(R)

-10(R)

-12(R)

-14(R)

-16(R) -18(R)

-20(R)

PEAK BUS 1

R149

R148

18 17 16 15 14 13 12 11 10

R158

C76

2.4K

390K

2N4125

D13

R161

Q8

U21

THRES

47U

LED4

560

Q3

1N4148

1.5K

C52

R150

2N4123

METER SELECT

LM3915

16 15

.1U

62K

3

+18

D14

18 17

14 13 12 11 10

U22

INPUT METER

J13/2A

SW4A 2

LED2

LM3915LED3

LED5

LED6

LED7

LED8

LED9

LED10

LED4

J13A

1N4148

Q9

LM3914

1

C84

2N4123

J13B

J13/2B

45P2600

R147

1.5U

R160

OUT

SW1B

1.5K

100K

J13C

J13/2C

45P2600

-18

-18

LED2

LM3914LED3

LED5

LED6

LED7

LED8

LED9

LED10

OUTPUT METER

J13/2D

LED1

RLO

SIG IN

RHI

REFOUT

REFADJ

MODE

V- V+

R157

R156

R155

J13D

J14A

J14/2A

-18

J13E

J13/2E

-18

GAIN METER

100K

100K

1K

5

J14/2B

LED1

RLO

SIG IN

REFOUT

REFADJ

MODE

D11

1 2 3 4 5 6 7 8 9

D26

J14B

RHI

D12

D

V-

V+

+18

J13F

J13/2F

+18

D

6

4

LIMITER(G)

+18 J14C

J14/2C

+18

1N4148

1N4148

R152

R162

1 2 3 4 5 6 7 8 9

J13G

J13/2G

4.7K

-18

-18 J14D

J14/2D

-18

4.7K

J13H

J13/2H

+18

OUT

R153

R154

J14E

J14/2E

4

C83

D27

U5A

D17

2

1.5U

2.4K

2.4K

POWER(Y)

J14F

J14/2F

D18

R163

R164

1

1N964

1N964

3

J14G

J14/2G

13V

4.7K

2K

8

4560

+18

J14/2H

J14H

-18

-18

+18-2

COMPRESSOR/LIMITER METERS

C

C

+18

+18

+18

C77

47U

Q4

PEAK BUS 1

VCC +

R165

R169

R173

R145

1.5K

63.4K

19.6K

2N4125

PEAK BUS 2

FOR IC 5

C78

10K

Q5

THRES

D50

47U

Q12

2N4125

Q2

SIG

SIG

2N4125

Q10

CLIP(R)

2N4123

R146

2N4123

+19 dBu

R170

R168

R167

3.3K

C50

+18-2

3.92K

GAIN METER

PEAK BUS 2

D51

390K

2.4K

R166

Q11

SIG(G)

INPUT METER

220P

C63

62K

2N4123

-20dBu

OUTPUT METER

D16

.1U

R171

R172

R174

1N754

D10

C51

68

1.58K

1.5K

1N270

.1U

B

-18

B

EQ METERS

D52

1N4003

+18

1

In

Out

3

U19

D19

D20

2 T1

11

7818

C81

C49

C53

C55

C57

C59

C61

1N4003

1N4003

C85

2

1.5u

D25

.1U

.1U

.1U

.1U

.1U

.1U

SW6

SW7

R144

1000u

1N4003

J10

F1

1.5K

L

out

3

10

D21

D22

C

$VKO\$XGLR￿,QF￿

C86

G

1/2 AGC

4

1

847 Holt Road

N

out

1N4003

1N4003

1000u

C82

45P1501

D24

C48

C54

C56

C58

C60

C62

45P1501

U20

1.5u

Webster, NY 14580-9103

47P1413

110VAC

220VAC

8

7918

1N4003

.1U

.1U

.1U

.1U

.1U

.1U

J21

J11

J12

5

51P7308

C47

2

In

Out

3

Phone:(716) 872-0010

Fax: (716) 872-0739

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Drawn By

Print Date 11:42:28

Rev.

A

.1U 100V

-18

Size

Sheet # 3

of

4

A

J15

J16

J17

J18

J19

D23

1N4003

B

A->B @ 157%

James B Franks

3-May-2002

C

KEYSTONE

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S:\Engineering\CLIENT98\1551\10s1551c-3.SCH

DPX-100 MINI-EQ + COMPRESSOR/LIMITER

APPROVED:

Dwg # 10S1551

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Operating Manual - DPX-100 Graphic Equalizer - Compressor/Limiter