Ashly Operating Manual - DLM-821 Stereo Ducking Line/Microphone Mixer, Dwg # 10S8210, Mic/Line

11

12. DLM-821 SCHEMATIC DIAGRAMS

1

2

3

4

5

6

7

8

Channels 1-2

10S8210-2.sch

RPeakBus

Right Output Mute

LPeakBus

(Shown Out)

RBus

7

LBus

R17

Right Output

+18

SW2C

8

E

E

9

100

Channels 3-6

C35

10S8210-3.sch

.1U

RPeakBus

C11

LPeakBus

C36

10pf

RBus

.1U

C29

27p

LBus

R9

-18

C13

RSum

C6

RMeter

R10

VR1A

68k

CH 7 & 8 + Power Supply

10pf

R32

1.5U

C100K

R12

-18

C15

R30

10S8210-4.sch

R52

R40

22k

none

68k

4.7k

RMeter

-18

100k

4

33k

R27

2

RPeakBus

B20K

2k

4

15k

1

R6

J5

LMeter

VR2C

C18

U5A

Headphone Output

2

3

68

6

LPeakBus

R25

R24

47U

J9

U4A

1

6

2043

5

RBus

6

C19

R46

3

5.6k

5.6k

U4B

7

8

4

Meter Cards and Indicators

4560

U7B

7

5

3

10s8210-5.Sch

8

D14

5

10k

4560

+18

2

2043

47U

1N4148

D13

C10

10pf

1

D16

+18

1N4148

VR1B

SlimJack

EUROBLOCK 6

1N4148

RPeak

Master Level

Pan

C100K

R11

R7

D

RPeak

D

Revision Sheet

RPeak

(+3dB Mid, +18dB Max)

VR2B

VR2A

4.7k

68k

10s8210RV.sch

C28 27p

B20K

B20K

6

R15

R14

C12

LSum

(+0.4dB At Center)

C5

LMeter

7

R5

100

100

R31

R8

U5B

10pf

1.5U

5

68

C14 none

R29

22k

2043

R51

R39

68k

-18

100k

R26

33k

B20K

2k

-18

VR2D

4

15k

2

C16

R23

R22

47U

4

U3A

1

6

SW2D

C17

LBus

2

3

5.6k

5.6k

U3B

7

10

1

R45

4560

5

R16

Left Output

U7A

11

8

D12

3

10k

4560

12

100

2043

D15

47U

1N4148

D11

8

1N4148

+18

1N4148

LPeak

Left Output Mute

+18

LPeak

LPeak

(Shown Out)

C

C

C32

68p

Mic/Line

Mono Output

C25

(Line = Out)

J4

R28

R4

R49

R20

14 SW1A

3

2

R33

R38

15k

1k

10k

100

25

1

-18

VR1C

47U

36

VCA-DC

RSum

R50

EUROBLOCK 3

47K

C23

22k

B10k

(Shown Out)

4

6

10k

R35

R37

2.7K

.1U

Right Ducking VCA

LSum

2

C24

R13

U6B

7

R2

R21

Left Ducking VCA

22k

1

5

100

3

4.7k

4560

100

U6A

4560

47U

Mono Level

+18

J8

J15 3

8

D17

D18

J2

J14 3

Enable

1N4148

1N4148

Enable

8

2

5

+18

2

3

R64

1

U10B

7

LPeak RPeak

1

U10A

1

HDRM 1X3

6

4560

HDRM 1X3

R34

2

0

4560

R66

33K

4

None

R19

R63

B

C22

33K

0

B

-18

+18 C26

C9

R65

10P

None

+18

10P

-18 C42

.1U

C37

4

.1U

3

+

.1U

LDuckBus

2

R55

7

3

+

U1A

1

1

U12

8

LBus

RDuckBus

6

7

R47

3

2043

33K

5

- 2180LC

U1B

7

1

U11

8

RBus

6

5

33K

8

4

2

2043

6

5

- 2180LC

C40

D3

4

2

R18

D1

1N4148

.1U+18

4.7K

1N4148

C

$VKO\￿$XGLR￿,QF

LPeak

C21

R3

RPeak

4.7K

847 Holt Road

C41

Webster, NY 14580-9103

-18

.1U

Phone:(716) 872-0010Fax: (716) 872-0739

A

-18

.1U

Size

Sheet # 1 of 6

A->B @ 157%

Drawn By

Print Date 11:47:56

Rev. A

B

James B Franks

22-Jan-2004

D

10s8210-1.Sch

DLM-821 (Outputs and Duckers)

APPROVED:

Dwg # 10S8210

1

2

3

4

5

6

7

8

Operating Manual - DLM-821 Stereo Ducking Line/Microphone Mixer