Ashly Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers, Ashly, Midi Control

15

Schematic Diagram: VCM-88

DCN

DATE

SCH REV PCB REV

DESCRIPTION

635 8-27-03

E

5310-1

CHANGE VCA TO 2180LC - R69-70 FROM 220 TO 2K - R_10/_11/_23 FROM 2K TO 1K

R_19 FROM 68 TO 33 - R_20 FROM 2.4K TO 5.6K - REMOVE R_21 R_22 VR1

ASHLY

ASHLY AUDIO INC.

DRAWING NO. 10S5310E

REV.

E

REPLACE VR2 WITH 0 OHM JUMPER - ADD H30N01500 HEAT SINK TO U11

DATE:

WEBSTER, NY 14580-9103

DRAWN:

JRD

8-27-2003

847 HOLT ROAD

SCHEMATIC DIAGRAM

APPROVED:

DATE:

8 CHANNEL REMOTE VCA/LIMITER

VCX-80/VCM-88

SCALE:

SHEET

OF

+5

MIDI CONTROL

10P5312

EXAMPLE OF DC CONTROL OF CHANNEL 1:

CHANNELS 1-8

NOTES:

L3

R13

U1

VCM-88 ONLY

DC CONTROL

SUMMED OUTPUT

R15

10K LINEAR

UNLESS OTHERWISE MARKED, ALL RESISTORS 5% 1/4W, ALL CAP VALUES uF,

220

MIDI IN

BEAD

2

8

R17

RS232

CW

ALL DIODES 1N4003, ALL UNMARKED RESISTORS 10K

J4

C1 D27

7

9

8 11

10 R16

L4

L5

220

CARD

3

6

CONNECTOR FOR DC CTRL

5 2 4

.001

4148

R14

220

BEAD

BEAD

MASTER

9

10

1

2

3

4

5

6

7

8

12

11

C40

R85

R84

5

J12

U2D

U2E

C4

100

100

3

1

6N138

C3

5 2

4

C30

C29 C31

C32

C33

C34

C35

C36

C37

C38

C28

.001uF

L2

.001

.001

3

1

.01uF

BEAD

C2

RxD

J5

J13

HC11 - PIN20

MIDI THRU

x 11

+5V

U5

.001

J8

C13

26

VDD

E

5

+5V

11

9

14 4

2

7

1

6

3

5

13

10

J8-8

J8-12

34

+18

+

.1U

PA0/IC3

R45

HEAT SINK

10U

PA1/IC2

33

R47

.1U

X

C22

C12

32

R23 +18

1

7815 3+15

-4VDC

X

PA2/IC0

$FF=9.96V

LEVEL SHIFTER/SCALER

C43

C26

X

C27

1

PA3/OC5/OC1

31

R46

C21

R67

D26

R83 JUMP

VSS

30

$00=0V

Vo = (-0.727)Vi + 5.81

TP3

U11

2

C41

PA4/OC4/OC1

TP2

18K

6.8V

47UF

+

X

4.7K

R82

29

DAC

$CD=8V ON RESET

X

C42

PA5/OC3/OC1

8-BIT DAC

R64

Vo

754

RESET CIRCUIT

7

PA6/OC2/OC1

28

SYNC

TP4

R72

R71

$FF=-1.45V

C11

R80

R81

EXTAL

27

R37

10.0K

10.0K

Vi

R65

10.0K

-

+5

PA7/PAI/OC1

300K R48

$00=+5.81V

$FF=-3.75V=+20dB

SUMMING

+

10M

R21

42

1M

R68

16

10U

1M

47

4560

-

8

XTAL

PB0

41

470K

150K

6

U6B

10.0K

R66

6.34K

931

VCC

X0

13

+

$00=+15.1V=-75dB

C_2

BUS

+

4560

PB1

40

300K

20K

-

2 -

R73 18K

R69

2K

X1

14

R_4

4560

R_10

X

U10A

+

U10B

R9

R11

C10

+5V

PB2

7

1

13 -

HC4051

X2

15 C_1 +

15.8K

R12

18P

PB3

39

150K

10K

5

34184

34184

0dB SHIFT

14

3

X3

12

U_1B

R_11

1K

27K

18P

PB4

38

40.2K

40.2K

CW

3

U6A

VR2

34184

10 +

2K

U3

X4

1

-

R_5

1 OF 8 CHANNELS

1M

8MHz

C9

PB5

37

40.2K

JUMP

+

+

8

X5

5

X1

PB6

36

10.00K

10.00K

VR1

10K

12

34184

X6

2

5.33dB/VOLT SCALE

35

10.00K

JUMP

B10K

+

U6D

R_6 9.76K

1K

-75dB TO +20dB RANGE

PB7

CW

9

R70

6

/EN

X7

4

+

R25

6

R44

R55

C20

MASTER ATTENUATOR

-

U6C

R_19

STRB/RW

VEE

A

B

C

G

17

4

10.00K IS +/-.1%

.1U

-18

R_12

LM393

/RESET

STRA/AS

-18

7

11

10

9

8

C_7

27P

33

R_23

1K

PC0

9

19.6K

R_14

D21

-

U4B

MC68HC11A1FN

PC1

10

J_3 PATCH

C_3

10.0K

R_16

+18

R10

4148

52 PIN PLCC

PC2

11

R_15

C_6

CH.1

PC3

12

INPUT

47UF

U_2

27P

R24

13

-4VDC

P- SHUNT

10.0K

R_17

OUTPUT

D22

+5V

18

PC4

14

Q7 4125

-

U_3B

3

7

VCA

/XIRQ

PC5

+5

TO DSUB

2-JACK INSERT

+

19.6K

U_1A

47U

R_7

4148

R28

15

D244148

34184

1 2180LC 8

J_4

J_2

19

PC6

16

DATA

DATA IN

+78VDC

Q1

33

1-JACK INSERT

10.0K

-

+

100

/IRQ

PC7

20

CONFIGURATION

D23

R19

J_1

+

R_13

+

+18

4 5 2 6

4560

V

X R30

PD0/RxD

TP1

D6

2

4148 D25

21

R27

.001

C23

TIP29C

33

47UF

VR_1

R_22

+

C_5

T

PD1/TxD

22

D4

1

D1

5.1V

Q6

PATCH

C_4

R_8

DATA CONFIGURATION

PD2/MISO

23

J6 1

2

R26

20K

ON SINK

751

R20

R_18

None

None

R_1

PD3/MOSI

C14

R18

4125

CH.1

INPUT

R_3

SYM

R_20

O

R_9

R29

24

REM DIS

C25

R56

Q2

3

R62

10.0K

C_8

-18 R_21

0

CW

NULL

MIDI

2

MODB/VSTBY

PD4/SCK

25

DATA DIS

L1-8

+

35mA LIMIT

IN/IO

PINS

100K

ADJ

5.6K

100

JUMP

PD5/SS

3

4

4123

R63 REMOTE

100K

27P

100

None

ADJ

1

2

3

MODA/LIR

PE0/AN0

43

R31

65VAC FROM

.1uF

100uF

R61

X

-18

VR_2 None

45

X DISABLE

R_2

-18

100

52

PE1/AN1

47

R33

51P7106

100V

100V

22

OUT

FOR 1-JACK:

3

4

VRH

PE2/AN2

49

L1-7

D7

SW3R

R1

+27

PASS-THRU

PE3/AN3

44

R35

27V

R57

IN

TIP=INPUT

R_50 R_38

+18

PE4/AN4

D2

10

J1

C_52

R74

RS232

PE5/AN5

46

R36

D5

D3

971

RING=OUT

15K

10M

51

PE6/AN6

48

+5

-18

1K

C_51

2.4K

PATCH OUTPUT PIN

1

2

VRL

50

R_36

PE7/AN7

BANK SELECT

3

D_3

.1uF

.1uF

J7

4.7K

33mA I LIMIT

-18

1

2

1K

-.5VDC

+

D_6

4125

3 4

4 3 2 1 0

R4

C7

SIG PRES

4148+

LM393

Q_4

G

+5V

UNIVERSAL

10P

CRESTRON

R58

+18

+5

+5

+5

4800bps

VCM-88 ONLY

C_12

-

U_5B R_39 100K

1M

1.5uF

1M

SIG

1

2

330

R5

D20

R22

DATA INPUT

R3

7

R60

+5

R6

FEMALE XLR

SIG PRES

R_37

LED CIRCUITS

PRES

4003

100K

3.3K

R_51

IN SERIES

REMOTE

2K

D18

ON AT -18dBu

R76

3

4

REMOTE

40.2K

OFF AT -19dBu

1M

C_50

D29

R59

DATA

D30

4148

C5

U4A

48KHz LPF

2.4K

DISABLE

Q3

-

.1uF

ASHLY

RED

GREEN

R2

LM393

1 VOLT

-18

-18

4125

1

2

REM DIS

4123

THRESH. D19

FROM PD5

Q5

C6

RELEASE

+27

R8

1M

.1U

+

R_26

OUT

(PD4)

+

1N270

HC11 PIN 25

4123

.001U

BLACK

UNREG.

47U

Q4

R7

100K

WIRE

3

4

IN

SW3L

C8

27K

10.0K

+18

R75

(AMX)

DATA DISABLE

-23dBU TO +23dBu

+ 1.5uF

+18

2.4K

C_11 R_25

J2

D10

+18

D9

+5

LIMIT

1.5uF

68K

R_34

C_10

1M

S1

SW2

U8

D28

10P5312

THRESH

R_33

R_29 D_1

HOT

51P7106

+

+18

1 7818

G

1

7805

X

VR_3

ATTACK

R_24

4123

LIMIT

1/2AGC

120/240

5

10

D16

D17

3

C18

D11

3

20K

62K

4148

+

C16

1000

2

U9

2

D8

25K

CW

D_2

100

6.8K

34184

R_35

D_5

R

C15

.1U

+

+

POWER

C24

+

LOG

-

47K

4

100V

35V

1.5U

J14

15K

4148

R_27

-

U_4A

Q_3

YEL

GROUND

OUT

IN

11

1.5U

4003

-18

34184

Q_1

-

-18

120V

240V

3

6

7

8

9

Q_2

+

D_4

L

1000

1.5U

R_28

34184

U_3A 4123

7 LED’S

D14

D15

+

+

D13

1

2

3

4

5

4125

4148

NEUT

SW1

2

12

C17

35V

1

C19

+

U_4B

R_32

IN SERIES

2

3

R_31 1K

15K

-18

R77

L1

7918

RS-232

ACINLET

U7

R_30

2.4K

IEC 320

D12

-18

VCM-88 ONLY

RATIO

10:1

-18

Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers