DBX 290 (rev A1) Schematic

ECN# DATE ECN# DATEDESCRIPTIONREVISIONREVISION DESCRIPTION

A0 6-28-96

A1

RELEASE FOR PRODUCTION EMI VERSION OF THE dbx 290

100ns DRAMS ARE TO SLOW AND CAUSE EXCESS DISTORTION
AND A ERROR IN 2.07 SOFTWARE WAS DISCOVERED. 1019 16 AUG 96

|LINK
|056038A1.001
|056038A1.002
|056038A1.003
|056038A1.004
|056038A1.005

dbx PROFESSIONAL PRODUCTS
8760 South Sandy Parkway

Sandy, Utah 84070
Title

dbx 290 (EMI) 80-6038

Size Document Number Rev

056038A1.000 A1

B

Monday, October 18, 1999

Date: Sheet of

0 5

Input Left/Mono

J1
J322110

3

Input Right

J2
J322110

3

+5V

R6

4.7K

DETECTOR

DETECTOR

THRSH

1
4
5
2
6

1
4
5
2
6

.22LLME1

C26

STEREO_IN

R30

20K

.047MA3

C23

25PJD1

100K

R50

+12V

6

U16B

5

4558

P3A
100K402011

R47 100K

8

C61
1NPME1

C47

25PJD1

R100

OMIT

7

1NPME1

R101

C59

C57

1NPME1

R93

OMIT

100K402011

P1A

2

13

3
2

U31A

-12V

R92

10.0K 1%

NE5532

4

R11
470

1

C14
470PMD1

2

13

Output Left

J3

J322110
1
4
5
2
6

R13

470

C22
470PMD1

3

C20
470PMD1

C12
470PMD1

R18

10.0K 1%

R38

20.0K 1%

R19

10.0K 1%

R39

20.0K 1%

2

U14A

3

-12V

P2A
100K402005

1 3

2

C49

10NPME1

1

4558

4

R96

2.00K 1%

4558

2

U32A

3

4

-12V

RET_L

1

R102

4.7K

DETECTOR

DETECTOR

R76

4.7K

1NPME1

51.1K 1%

C35

R98

R52

R51

2K

18K

C27
.0033J

SEND_L

OMIT

C42

R48

1NPME1

RET_R

51.1K 1%

D9
1N4148

P2B

100K402005

4 6

5

+12V

8

6

U32B

5

Q2

2N4124

C31

1NPME1

4558

+12V

7

+12V

R58

C45

OMIT

.022J

+12V

R44
10K

6

U15B

5

R27

3.3K

R22
100K

-12V

R41

20.0K 1%

C13
470PMD1

R20

10.0K 1%

C21
470PMD1

C43

200PMD1

D11
1N4148

D12
1N4148

R60
470K

R31
2K

+12V

8

6

U18B

5

4558

C7

R63

10K

R40

20.0K 1%

+12V

8

U14B

4558

C50

10NPME1

7

R59

15K

2
3

C29

240PMD1

D10
1N4148

U18A

4

-12V

R97

2.00K 1%

R29
220K

4558

1

6
5

R21

10.0K 1%

C51

7

.22LLME1

4558

3

1

U15A

2

4

-12V

R42
12K

2K

R99

8

R36
47K

7

4558

R43
150K

18K

C28
.0033J

SEND_R

R49

GATE

2
3

P3B
100K402011

C58
1NPME1

-12V

U16A

4558

4

1

C60

46

1NPME1

5

1NPME1

C56

P1B

100K402011

R95

OMIT

+12V

8

R12

NE5532

5

5

U31B

6

46

R94

10.0K 1%

C4

470PMD1

470

7

470PMD1

R14
470

Output Right

J4

J322110
1
4

C1

5
2
6

3

+5V

R7

4.7K

STEREO_OUT

VCC VDD +5V VSS

dbx PROFESSIONAL PRODUCTS
8760 South Sandy Parkway

Sandy, Utah 84070
Title

dbx 290 (EMI) - INPUT,OUTPUT,MIX 80-6038

Size Document Number Rev

056038A1.001 A1

B

Monday, October 18, 1999

Date: Sheet of

1 5

+12V

R69
10K

L_0DB_LED R_0DB_LED

L_0DB_LED R_0DB_LED

11

R68

R104

R105

SEND_L SEND_R

H3

HDR321076
PA3

PA5X2

SEND_R

SEND_L

10K

2N4124

R103
470K

-12V

1
2

L_18DB

L_18DB

3

L_12DB

L_12DB

4

L_0DB L_18DB_LED R_18DB_LED

L_0DB L_18DB_LED R_18DB_LED

5

L_6DB

L_6DB

6

R_18DB L_18DB R_18DB

R_18DB L_18DB R_18DB

7

R_12DB

R_12DB

8

R_0DB

R_0DB

9

R_6DB

R_6DB

10

1

-12V_LED

-12V_LED

2

L_18DB_LED LROW2 SWCOL0

L_18DB_LED LROW2 SWCOL0

3

L_12DB_LED DA0 SWCOL1

L_12DB_LED DA0 SWCOL1

4

L_0DB_LED DA1 LROW1 SWCOL2

L_0DB_LED DA1 LROW1 SWCOL2

5

L_6DB_LED DA2 LCOL0

L_6DB_LED DA2 LCOL0

6

R_18DB_LED DA3 LROW0 LCOL1

R_18DB_LED DA3 LROW0 LCOL1

7

R_12DB_LED DA3 DA4 SWROW3 LCOL2

R_12DB_LED DA3 DA4 SWROW3 LCOL2

8

R_0DB_LED SWCOL2 DA2 DA5 SWROW2 LROW3

R_0DB_LED SWCOL2 DA2 DA5 SWROW2 LROW3

9

R_6DB_LED SWCOL1 DA1 DA6 SWROW1 LROW2

R_6DB_LED SWCOL1 DA1 DA6 SWROW1 LROW2

10

+5VA

R145

4.7K
R144

1K
C37

.0047J

C71

4.7ME1

C40

.0047J

R142

1K
R143

4.7K

Q7

+5VPR

18K

OMIT

+12V

-12V

R53

10

1LLM50E1

C64

R56

R55

OMIT
R141

OMIT

R37 10K

C70

4.7ME1

1.2K

R108
2K

R109
2K

R131
2K

R107
1K

R106
330

R64

6.8

C25
47ME1

C46
47ME1

C48
47ME1

68PJD1

10K

OMIT

68PJD1

C30

OMIT

C66

C72

C65

13

L_0DB R_0DB

L_0DB R_0DB

U28D

10

LM339

L_6DB_LED R_6DB_LED DA4

L_6DB_LED R_6DB_LED DA4

9

14

L_6DB R_6DB DA6

L_6DB R_6DB DA6

U28C

8

LM339

12

-12V
+12V

3

L_12DB_LED R_12DB_LED

L_12DB_LED R_12DB_LED

5

2

L_12DB R_12DB

L_12DB R_12DB

U28A

4

LM339

7

1

U28B

6

LM339

.047MA3

C53

10

R23
200

+5VA

R62
200

.047MA3

R35 10

R45

10

C15
10KT

CLK_256

CLK_256

C73

25PJD1

C76

25PJD1

C69

C52
10KT

C74
.047MA3

C39
.047MA3

C75
.047MA3

R57
10K

R26 15K

R25

R32
10K

+5VA

10K

1LLM50E1

C62

XSYS2

SCK1
SCK0

SD0
SWS1
SWS0

DSEL

TSEL

WSEL

ODF2
ODF1

RST

CEN

HPEN

DCK0

DIOR

DIOL

FSEL
TEST1
TEST2

VDD

VSS

R74

1.2K

R114
2K

R115
2K

R118
2K

R113
1K

R112
330

C11
47ME1

R75

+12V

11

13

U29D

10

LM339

9

14

U29C

8

LM339

12

-12V
+12V

3

5

2

U29A

4

LM339

7

1

U29B

6

SWCOL0 DA0 DA7 SWROW0 LROW1

SWCOL0 DA0 DA7 SWROW0 LROW1

+5VA

*PROG

9
10
11
12
13
14

+5VA

15
39
40

41
42
43
44
38

16
17

.047MA3

C38

.047MA3

+5VA

18
1
2
3

5
4

LM339

C68

R28
100

2N4125
Q3

R15

10K

R46
10

C67
47ME1

+12V

+12V

R71
2K

R89

R88

10K

10K

*INEN0

Q6
2N4124

+5V

*UART_RST

*UART_RST

XLX_CLK

XLX_DATA

BUS_A

SYNC

CLK_256

D40
LEDR702113

0dB 0dB

D24
LEDG702114

-6dB

D20
LEDG702114

-12dB

D16

LEDG702114

-18dB

+12V

+12V

R65
2K

2N4125

Q4

U7
7805-V

1

3

I

O

G

2

R24
200

C36
47ME1

R54
200

C44
.047MA3

R67
20K

R66
47K

20
19

21
22
23
24
25
26

28
27
29

30
31
32
33
34
35

36
37

2N4124

R111
10K

R70
470K

U17

6

XIN

7

XOUT

8

XSYS1

VDDT
VSST

VREFR
BBOR
PINR
NINR
BAOR
BAIR

IREF
VDACN
VDACP

BAIL
BAOL
NINL
PINL
BBOL
VREFL

VDDA
VSSA

SAA7360/SM

Q8

R146
470

R110
OMIT

18K

+12V

-12V

-12V_LED

-12V_LED

D41
LEDR702113

D25
LEDG702114

-6dB

D21
LEDG702114

-12dB

D17
LEDG702114

-18dB

R73
20K

R72
47K

R90

10K

R77

4.7K

*OUTEN2

U21B

74HC244A
11
13
15
17

+5V

9
7
5
3

19

*OUTEN1

8
17
16
18

28
27
38
36

22

7

2
14

CLK_256

CLK_256

U34
PWRDWN

M0
M1
M2

PROG
RESET
CCLK
DIN/TEST

CBUS
CLK256
SYNC
DATA_IN

XILINX DBX1

DA0

DA0
DA1

DA1
DA2

DA2
DA3

DA3
DA5

DA5
DA7

DA7

+12V

11

1

DOUT

DA_DATA

DA_SCLK
DA_LRCLK
AD_LRCLK

AD_SCLK

U30
D02Q0

D13Q1
D24Q2
D35Q3
D46Q4
D57Q5
D68Q6
D79Q7

11

CLK

1

OE
74HC574

U20
D02Q0

D13Q1
D24Q2
D35Q3
D46Q4
D57Q5
D68Q6
D79Q7

CLK
OE

74HC574

HDC
LDC

S0
S1
S2
S3
S4
S5
S6
S7

100

R147

100

R132

19
20
37

5
6
4
10
40
44
34
32

30
15
25
35
11

DA[0..7]

DA[0..7]

.047MA3

C63

P4

123

5K402071

+5V

R81
R82 200
R83

R84

R85

10K

R86

10K

R87

10K

U22

1

SDATAI

2

SCLK

3

LRCK

4

MCLK

CS4330/SM

DELAY

R125

20.0K 1%
R123

20.0K 1%

R122

20.0K 1%

R119

20.0K 1%

R127

20.0K 1%

R128

20.0K 1%

200

200
200

Q9
2N5088

AOUTL

AOUTR

AGND

dbx PROFESSIONAL PRODUCTS
8760 South Sandy Parkway

Sandy, Utah 84070
Title

Size Document Number Rev

B

Date: Sheet of

19
18
17
16
15
14
13
12

19
18
17
16
15
14
13
12

3

U37

2

LM311

1

4

R124

10.0K 1%

R121

10.0K 1%

R120

10.0K 1%

R126

10.0K 1%

R129

10.0K 1%

R130

20.0K 1%
*UART_RST

*UART_RST

LROW3

LROW3

LROW0

LROW0

LCOL2 SWROW0

LCOL2 SWROW0

SWROW1

SWROW1
SWROW2

SWROW2
SWROW3

SWROW3

LCOL1

LCOL1

Q10
2N5088

LCOL0

LCOL0

Q11
2N5088

7

VA+

8
5
6

dbx 290 (EMI) - A/D/A,BAR GRAPH 80-6038

056038A1.002 A1

Monday, October 18, 1999

658

R135

7

1M

C16
.047MA3

DA[0..7]

+5V

R133
1K

*UART_RST

H2
1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20

HDR321055

RET_L

RET_R

+5VA

C17
10KT

2 5

LAST REF. NOT USED
BP43
BR2
BT1
C77
D29
H7
J7
P3
Q10
R151
SS3
TP7
U42
X1
SW13
L6

J320099

H1

HDR322111

J7

1 4

6 5

R1
U33
U8
R137
R138
R139
R140
R148
TP1
TP4
TP5
TP6
C24
C32
BP4

1
2
3
4
5
6
7
8
9
10

C77

.047MA3

L6

FB260221

2 3

*WR

*RD

BUS_A

TP2

TESTP

TP7

TESTP

*RESET

*SDISC_EN

A[0..4]

DA[0..7]

470M25E

470M25E

+12V

-12V
+5V

C3

1N4001

1N4001

C6

R34
1M

X1

20.00MHZ-V

C33

25PJD1

A[0..5]

A[0..5]

DA[0..7]

DA[0..7]

D3

1N4001

C41
4700ME4

D5

1N4001

D6

470M25E

470M25E

D7

D8

1N4001

+5VPR

C19

C18

25PJD1

C34

+5V

U3
7805-H

1

I

U2
7812-H

1

I

2

I

U1
7912-H

U26

78

XTAL

77

EXTAL

73

CLK_OUT

72

CLK_IN

67

CLK_BUF_OUT

65

CLK_BUF_IN

76

SYNC

79

MASTER

71

BUS_A

70

BUS_B

69

BUS_C

68

BUS_D

80

RESET

6

SAT

5

UP_XRD

4

UP_XWR

3

UP_XCS

2

A0 DD6 DADR1 DADR1

A0 DD6 DADR1 DADR1

UP_A0

1

A1 DD7 DADR3 DADR3

A1 DD7 DADR3 DADR3

UP_A1

84

A2 DD8 DADR5 DADR5

A2 DD8 DADR5 DADR5

UP_A2

83

A3 DD9 DADR0 DADR0

A3 DD9 DADR0 DADR0

UP_A3

82

A4 DD10

A4 DD10

UP_A4

56

DA0 DD12

DA0 DD12

UP_D0

57

DA1 DD13

DA1 DD13

UP_D1

58

DA2 DD14

DA2 DD14

UP_D2

59

DA3 DD15

DA3 DD15

UP_D3

60

DA4 DD16

DA4 DD16

UP_D4

61

DA5 DD17

DA5 DD17

UP_D5

62

DA6 DD18

DA6 DD18

UP_D6

63

DA7 DD19

DA7 DD19

UP_D7

9

TEST0

8

TEST1

7

TEST2
SDISCII_84

3

O

G

2

O

G

2

1

G

O

+5V

C10
10ME1

3

3

C9
10ME1

C8
10ME1

+12V

-12V

DWR

DRAM_A0
DRAM_A1
DRAM_A2
DRAM_A3
DRAM_A4
DRAM_A5
DRAM_A6
DRAM_A7
DRAM_A8

DRAM_D0
DRAM_D1
DRAM_D2
DRAM_D3
DRAM_D4
DRAM_D5
DRAM_D6
DRAM_D7
DRAM_D8

DRAM_D9
DRAM_D10
DRAM_D11
DRAM_D12
DRAM_D13
DRAM_D14
DRAM_D15
DRAM_D16
DRAM_D17
DRAM_D18
DRAM_D19
DRAM_D20
DRAM_D21
DRAM_D22
DRAM_D23

CLK_256

RAS
CAS

L3

FB260217

SYNC

31
33
29

52

DADR0 DADR3 DADR3

DADR0 DADR3 DADR3

51

DADR1 DADR5 DADR5

DADR1 DADR5 DADR5

50

DADR2 DADR0 DADR0

DADR2 DADR0 DADR0

49

DADR3

DADR3

48

DADR4 *RAS

DADR4 *RAS

47

DADR5 *CAS

DADR5 *CAS

46

DADR6 *DWR

DADR6 *DWR

45

DADR7

DADR7

44

10
14
15
16
17

DD4 DADR4 DD18 DADR4 DD6

DD4 DADR4 DD18 DADR4 DD6

18

DD5 DADR2 DD19 DADR2 DD7

DD5 DADR2 DD19 DADR2 DD7
19
20
21
22
23
24

DD11

DD11
25
26
27
28
35
36
37
38
39

DD20 DADR7 DD12

DD20 DADR7 DD12
40

DD21 DADR6 DD13

DD21 DADR6 DD13
41

DD22 DADR4 DD14

DD22 DADR4 DD14
42

DD23 DADR2 DD15

DD23 DADR2 DD15

SR2
SR280058
SR3
SR280058
SR4
SR280059
SR1
SR280059

L5

FB260217

S13
DIP18S
S19
DIP18S
S24
DIP18S

L4

FB260217

R149

*RAS

*RAS

100

R150

*CAS

*CAS

100

R151

*DWR

*DWR

100

U36

DADR7 DD20 DADR7 DD8

DADR7 DD20 DADR7 DD8
DADR6 DD21 DADR6 DD9

DADR6 DD21 DADR6 DD9
DADR4 DD22 DADR4 DD10

DADR4 DD22 DADR4 DD10
DADR2 DD23 DADR2 DD11

DADR2 DD23 DADR2 DD11
DADR1 DADR1

DADR1 DADR1

DADR7 DD16 DADR7 DD4

DADR7 DD16 DADR7 DD4
DADR6 DD17 DADR6 DD5

DADR6 DD17 DADR6 DD5

DADR1

DADR1
DADR3

DADR3
DADR5

DADR5
DADR0

DADR0

S27
DIP18S
S36
DIP18S
S23
DIP28S

14
13
12
11

8
7
6

10

5

16

4
1

14
13
12
11

8
7
6

10

5

16

4
1

14
13
12
11

8
7
6

10

5

16

4
1

DAD[0..8]

DAD[0..8]
DD[4..23]

DD[4..23]

HS3
HS704204
I1
INS704209
PCB1
80-6038-A

A0
A1
A2
A3
A4
A5
A6
A7

RAS
CAS
WE
OE

4464-80

U27
A0

A1
A2
A3
A4
A5
A6
A7

RAS
CAS
WE
OE

4464-80

U24
A0

A1
A2
A3
A4
A5
A6
A7

RAS
CAS
WE
OE

4464-80

2

D1

3

D2

15

D3

17

D4

2

D1

3

D2

15

D3

17

D4

2

D1

3

D2

15

D3

17

D4

SS1
SS281092

1

1
2
3
4

HS2

HS704205

U19

14

A0

13

A1

12

A2

11

A3

8

A4

7

A5

6

A6

10

A7

5

RAS

16

CAS

4

WE

1

OE
4464-80

U13

14

A0

13

A1

12

A2

11

A3

8

A4

7

A5

6

A6

10

A7

5

RAS

16

CAS

4

WE

1

OE
4464-80

WA3
WA283449

1

2

WA1
WA283449

1

2

D1
D2
D3
D4

D1
D2
D3
D4

2
3
15
17

2
3
15
17

WA5
WA283449

1

2

WA2
WA283449

1

2

WA4
WA283449

1

2

+12V +12V +12V +12V +12V

.047MA3

-12V -12V -12V -12V -12V

.047MA3

+5V +5V +5V +5V +5V

.047MA3

BP16

BP20

.047MA3

BP9

BP13

.047MA3

+5V +5V

BP7

BP12

.047MA3

BP38

.047MA3

BP22

.047MA3

BP18

.047MA3

+5V

BP17

.047MA3

BP10

.047MA3

BP1

.047MA3

BP33

.047MA3

BP26

.047MA3

BP19

.047MA3

+12V +12V

BP34

.047MA3

-12V

BP27

.047MA3

BP31

.047MA3

BP36

.047MA3

BP8

.047MA3

BP30

.047MA3

+12V

-12V

+5V

BP15

.047MA3

+5V-12V

BP23

.047MA3

+5V +5V +5V +5V +5V

BP32

.047MA3

BP21

.047MA3

BP11

.047MA3

BP2

.047MA3

+5V

+5V

BP6

.047MA3

BP5

.047MA3

BP25

.047MA3

+5V +5V

BP37

.047MA3

.047MA3

BP29

.047MA3

BP42

BP3

.047MA3

BP43

.047MA3

BP24

.047MA3

+5V +5V+5V +5V

BP39

.047MA3

BP40

.047MA3

BP14

.047MA3

+5V+5V

+5V

BP35

.047MA3

BP41

.047MA3

BP28

.047MA3

VCC VDD +5V VSS

dbx PROFESSIONAL PRODUCTS
8760 South Sandy Parkway

Sandy, Utah 84070
Title

dbx 290 (EMI) - S-DISC, POWER 80-6038

Size Document Number Rev

056038A1.004 A1

B

Monday, October 18, 1999

Date: Sheet of

4 5

+5V

GATE

CLK_256

CLK_256

2

J5
J322110

3

J320116

5

U39
MC34064P

I

G

MIDI IN

J6

L1
FB260217

DA[0..7]

DA[0..7]
A[0..17]

*RESET

+5V

R136
1K

1

R

3

2

C55

10ME1

D13

1N4148

+5V

1
4
5
2
6

3
1
4

+5V

67
13
4

L2
FB260217

R10
100

D4
1N4148

R5
100

C2
.047MA3

C5
.047MA3

U6A
D2Q

CLK
CL
PR

74HC74

+5V

Q

2
3

*INT A9 A8 DA2

*INT A9 A8 DA2

R116
10K

C54
10ME1

R9

10K

R8

10K

U21A
74HC244A

5

6

U9

VCC

AN

OB

CAT

OUT
GND

6N138

U12

6

CLK

26

RESET

17

+5V

NMI

16

INT

25

+5V

BUSREQ

23

BUSACK

18

HALT

24

+5V

WAIT

28

RFSH

27

M1

84C00-10

2

18

4

16

6

14

8

12

INEN1

INEN1

1

*RESET

*UART_RST

+5V

+5V

8
7
6
5

R16

3.3K

R17
330

14

DA0 A0 DA0

DA0 A0 DA0

D0

15

DA1 A1 DA1 A0 DA0

DA1 A1 DA1 A0 DA0

D1

12

DA2 A2 DA2 A1 DA1

DA2 A2 DA2 A1 DA1

D2

8

DA3 A3 DA3 A2 DA2

DA3 A3 DA3 A2 DA2

D3

7

DA4 A4 DA4 A3 DA3

DA4 A4 DA4 A3 DA3

D4

9

DA5 A5 DA5 A4 DA4

DA5 A5 DA5 A4 DA4

D5

10

DA6 A6 DA6 A5 DA5

DA6 A6 DA6 A5 DA5

D6

13

DA7 A7 DA7 A6 DA6 DA0

DA7 A7 DA7 A6 DA6 DA0

D7

30

A0 A10 A9 DA3

A0 A10 A9 DA3

A0

31

A1 A11 A10 DA4

A1 A11 A10 DA4

A1

32

A2 A12 A13 A11 DA5

A2 A12 A13 A11 DA5

A2

33

A3 A13 A12 DA6

A3 A13 A12 DA6

A3

34

A4 A14 DA7

A4 A14 DA7

A4

35

A5

A5

A5

36

A6

A6

A6

37

A7 *RD

A7 *RD

A7

38

A8 *WR

A8 *WR

A8

39

A9

A9

A9

40

A10

A10

A10

1

A11

A11

A11

2

A12

A12

A12

3

A13

A13

A13

4

A14

A14

A14

5

A15

A15

A15

20

IORQ

19

MREQ

22

WR

21

RD

DA3

DA3
DA2

DA2
DA1

DA1
DA0

DA0

4
5

A8 A7 DA7 DA1

A8 A7 DA7 DA1

R61

OMIT

0

+5V

A15

A15

A14

A14
A15

A15

1

A12

A12

2

A13

A13

3

A14

A14

6
4
5

A15

A15

A0

A0
A1

A1
A2

A2

DA0

DA0
DA1

DA1
DA2

DA2
DA3

DA3
DA4

DA4
DA5

DA5
DA6

DA6
DA7

DA7

*RD

*RD
*WR

*WR

A14

A14
A15

A15
A13

A13

6

U10B

74HC00

10

25
24
21
23

26
27

20
22

R33
0

OMIT R33 FOR 32K
OMIT R61 FOR 64K

12

U10D

13

74HC00

U11
A

Y0

B

Y1

C

Y2
Y3
Y4

G1

Y5

G2A

Y6

G2B

Y7

74HC138

U4

25

ADS

28

A0

27

A1

26

A2

1

D0

2

D1

3

D2

4

D3

5

D4

6

D5

7

D6

8

D7

21

DISTR

22

DISTR

18

DOSTR

19

DOSTR

12

CS0

13

CS1

14

CS2

24

CSOUT

23

DDIS

35

MR
CM16C450

U23
A0

9

A1

8

A2

7

A3

6

A4

5

A5

4

A6

3

A7
A8
A9
A10
A11

2

A12
A13
A14

1

A15
CE

OE
72-3070-01 V2.08

*WR

*WR

*RD *INT

*RD *INT

9

11

10

15
14
13
12
11
10
9
7

XTAL1
XTAL2

BAUDOUT

RCLK

INTRPT

DTR

RTS
OUT1
OUT2

RI
DCD
DSR

CTS

SIN

SOUT

MIDI_DATA

MIDI_DATA

11

D0

12

D1

13

D2

15

D3

16

D4

17

D5

18

D6

19

D7

1

3

*INEN0
*OUTEN0

*OUTEN1
*OUTEN2

STEREO_OUT

*A13

UART_INT

STEREO_IN

16
17

15
9

30

33
32
34
31
39
38
37
36

10
11

U10C

74HC00

2

8

U10A

74HC00

*WR
*RD

*SDISC_EN

+5V

R134
20K

U35

10

A0

9

A1

8

A2

7

A3

6

A4

5

A5

4

A6

3

A7

25

A8

24

A9

21

A10

23

A11

2

A12

20

CE1

26

CE2

22

OE

27

WE

28

VCC
6264A

+5V

+5V

UART_INT

SYNC

1

2

3

O0
O1
O2
O3
O4
O5
O6
O7

PA1A

PA3

PA1B

PA3

PA1C

PA3

11
12
13
15
16
17
18
19

*OUTEN0

1
2

11
13

+5V

10

U38

5

SDA

6

SCL

7

TEST
24C01

+5V

1

A0

2

A1

3

A2

VCC VDD +5V VSSDGND

U5
CLK

CLR

74HC4024

U6B
D12Q

CLK
CL
PR

74HC74

U25
D02Q0

D13Q1
D24Q2
D35Q3
D46Q4
D57Q5
D68Q6
D79Q7

11

CLK

1

OE
74HC574

12

QA

11

QB

9

QC

6

QD

5

QE

4

QF

3

QG

1N4148

9

8

Q

dbx PROFESSIONAL PRODUCTS
8760 South Sandy Parkway

Sandy, Utah 84070
Title

Size Document Number Rev

Date: Sheet of

A[0..17]

R91
10K

R117

19

10K

18
17
16
15
14
13
12

D1

D2

1N4148

dbx 290 (EMI)-CPU,DECODE,EPROM,SRAM 80-6038

056038A1.003 A1

B

R79

R80

R3

3.3K

R2
10K

Monday, October 18, 1999

47K

33K

Q5
2N4124

DA[0..7]
A[0..17]

*PROG

XLX_DATA

XLX_CLK

THRSH

R78
15K

+5V

R4
10K

Q1
2N4124

3 5

SMALL LARGE

SW7

SW440163

DARK BRIGHT

SW10

SW440163

ROOM HALL CHAMBER

SW1

SW440163

PLATE CATHEDRAL GATED

SW4
SW440163

MEDIUM

SW8
SW440163

MEDIUM

SW11

SW440163

SW2
SW440163

SW5
SW440163

SW3
SW440163

SW6
SW440163

SW9
SW440163

SW12
SW440163

DSWROW0

DSWROW0

DSWROW1

DSWROW1

DSWROW2

DSWROW2

DSWROW3

DSWROW3
DSWCOL0

DSWCOL0
DSWCOL1

DSWCOL1
DSWCOL2

DSWCOL2

DSWCOL0

DSWCOL0
DSWCOL1

DSWCOL1
DSWCOL2

DSWCOL2
DLCOL0

DLCOL0
DLCOL1

DLCOL1
DLCOL2

DLCOL2
DLROW3

DLROW3
DLROW2

DLROW2
DLROW1

DLROW1
DLROW0

DLROW0
DSWROW0

DSWROW0
DSWROW1

DSWROW1
DSWROW2

DSWROW2
DSWROW3

DSWROW3

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20

H4

HDR321055

SMALL LARGE

D32
LEDR702061

DARK BRIGHT

D35

LEDR702061

ROOM HALL CHAMBER

D26

LEDR702061

PLATE CATHEDRAL GATED

D29

LEDR702061

MEDIUM

D33
LEDR702061

MEDIUM

D36

LEDR702061

D27

LEDR702061

D30

LEDR702061

D34
LEDR702061

D37

LEDR702061

D28

LEDR702061

D31

LEDR702061

DLROW0

DLROW0

DLROW1

DLROW1

DLROW2

DLROW2

DLROW3

DLROW3
DLCOL0

DLCOL0
DLCOL1

DLCOL1
DLCOL2

DLCOL2

dbx PROFESSIONAL PRODUCTS
8760 South Sandy Parkway

Sandy, Utah 84070
Title

dbx 290(EMI)-SWITCH & LED FRNT BOARD 80-6038

Size Document Number Rev

056038A1.005 A1

B

Monday, October 18, 1999

Date: Sheet of

5 5

&l0(s0P(s15H(s8V(s0S&l6D&l66P&l3E&a7L&a120M&l61FDOD Software

056038a1

Page 1
dbx 290 (EMI) 80-6038 Revised: August 16, 1996
056038A1.000 Revision: A1
Bill Of Materials August 16, 1996 10:51:08
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________

56 BP1,BP2,C2,BP3,BP5,C5, .047MA3 62-0067 0.047 uF Cap 50V 20% Axial Monolithic
BP6,BP7,C7,BP8,BP9,BP10,
BP11,BP12,BP13,BP14,BP15,
BP16,C16,BP17,BP18,BP19,
BP20,BP21,BP22,BP23,BP24,
BP25,BP26,BP27,BP28,BP29,
BP30,BP31,BP32,BP33,BP34,
BP35,BP36,BP37,BP38,C38,
BP39,C39,BP40,BP41,BP42,
BP43,C44,C53,C63,C68,C74,
C75,C76,C77
8 C1,C4,C12,C13,C14,C20, 470PMD1 62-0003 470 pF Cap 50V 20% Ceramic Disc T&R
C21,C22
4 C3,C6,C18,C19 470M25E 60-0058 470 uF Cap 25V -20/+20% Elect
5 C8,C9,C10,C54,C55 10ME1 60-0049-01 10 uF Cap 16V -20/+20% Elect.,-D T&R
6 C11,C25,C36,C46,C48,C67 47ME1 60-0054-01 47 uF Cap 16V -20/+20% Elect., T&R, 5X8mm body
3 C15,C17,C52 10KT 62-0163 10 uF Cap 16V 10% Tantalum T&R
6 C23,C33,C34,C47,C69,C73 25PJD1 62-0001 25 pF Cap 50V 5% Ceramic Disc T&R
2 C26,C51 .22LLME1 60-0039-01 .22 uF Cap 16V -20/+20% Elect, LL-D T&R
2 C27,C28 .0033J 56-0003 .0033 uF Cap 50V 5% Poly Film 332J ammo
1 C29 240PMD1 62-0010 240 pF Cap 50V 20% Ceramic Disc T&R
12 C30,R55,R58,R61,C66,R93, OMIT 00-0000 This part has been omitted
R95,R100,R101,R104,R110,
R141
9 C31,C35,C42,C56,C57,C58, 1NPME1 60-0046-01 1.0 uF Cap 16V -20/+20% Elect., N.P. T&R
C59,C60,C61
2 C37,C40 .0047J 56-0004 .0047 uF Cap 50V 5% Poly Film 472J ammo
1 C41 4700ME4 60-0062 4700 uF Cap 16V -20/+20% Elect-L
1 C43 200PMD1 62-0009 200 pF Cap 50V 20% Ceramic Disc T&R
1 C45 .022J 56-0008 .022 uF Cap 50V 5% Poly Film 223J ammo
2 C49,C50 10NPME1 60-0051-01 10 uF Cap 16V -20/+20% Elect., NP T&R
2 C62,C64 1LLM50E1 60-0045-01 1.0 uF Cap 50V 20% Elect., LL T&R
2 C65,C72 68PJD1 62-0018 68 pF Cap 50V 5% Ceramic Disc T&R
2 C70,C71 4.7ME1 60-0048-01 4.7 uF Cap 16V -20/+20% Elect., T&R
8 D1,D2,D4,D9,D10,D11,D12, 1N4148 70-0002 1N4148 Diode Silicon Switching, 75 Volts PIV
D13
5 D3,D5,D6,D7,D8 1N4001 70-0001 1N4001 Silicon Rectifier, 1 Amp, 50 Volts PIV
6 D16,D17,D20,D21,D24,D25 LEDG702114 70-2114 Green Light Emitting Diode, T1 (AUTO INSERT)
12 D26,D27,D28,D29,D30,D31, LEDR702061 70-2061 LED Red, T1 Case (HAND STUFF ONLY)
D32,D33,D34,D35,D36,D37
2 D40,D41 LEDR702113 70-2113 Red Light Emitting Diode, T1 (AUTO INSERT)
1 H1 HDR322111 32-2111 10 Pin Hdr, 5X2, Straight, .23", 0.1" spacing
2 H2,H4 HDR321055 32-1055 20 Pin Hdr, 10X2, 0.1" spacing, 0.025 pins
1 H3 HDR321076 32-1076 10 Pin Hdr, 5X2, 0.1" spacing, 0.0? pins Right Angle
1 HS2 HS704205 70-4205 Heatsink, L-Shape Base
1 HS3 HS704204 70-4204 Heatsink, 3 Regulator, Top
1 I1 INS704209 70-4209 Insulator, 3 Regulator Heatsink
5 J1,J2,J3,J4,J5 J322110 32-2110 Jack, 1/4" Phone, PC Mount, Hor., Cliff S2
1 J6 J320116 32-0116 JACK, Shielded 5 pin DIN, PCB mount
1 J7 J320099 32-0099 4 Pin Din JACK, Female PCB Mount, R/A Shielded U/M
5 L1,L2,L3,L4,L5 FB260217 26-0217 Ferrite Bead, 2.5Kohms @70Mhz, SMT 0805
1 L6 FB260221 26-0221 Ferrite Bead w/axial lead
DOD Software Page
dbx 290 (EMI) 80-6038 Revised: August 16, 1996
056038A1.000 Revision: A1
Bill Of Materials August 16, 1996 10:51:08

Quan Reference Part SYMAN Description

056038a1

_______________________________________________________________________________________________________________

2 P1,P3 100K402011 40-2011 100 K "W" 16mm, Rot Pot x2, Rack Leads
1 P2 100K402005 40-2005 100 K "C" 16mm, Rot Pot X2, 15mm Knurled Shaft
1 P4 5K402071 40-2071 5 K "B" 16mm, Rot Pot, 15mm K Shaft, H. Mount
1 PA1 PA3 00-0000 3 Pin Pad Pattern, Not a part
1 PA3 PA5X2 00-0000 5X2 Pin Pad Pattern, Not a part
1 PCB1 80-6038-A 80-6038-A dbx 290 EMI MAIN BOARD RAW
6 Q1,Q2,Q5,Q6,Q7,Q8 2N4124 70-1009 2N4124 NPN, Gen. Purp. Amplifier/Switching Xstr T&R
2 Q3,Q4 2N4125 70-1008 2N4125 PNP, Gen. Purp. Amplifier/Switching Xstr
3 Q9,Q10,Q11 2N5088 70-1007 2N5088 NPN, Transistor, T&R
24 R2,R4,R8,R9,R15,R32,R37, 10K 50-0020 10 KOhm Resistor 5% 1/4 Watt Carbon Film
R44,R56,R57,R63,R69,R75,
R85,R86,R87,R88,R89,R90,
R91,R105,R111,R116,R117
3 R3,R16,R27 3.3K 50-0014 3.3 KOhm Resistor 5% 1/4 Watt Carbon Film
8 R5,R10,R28,R132,R147, 100 50-0003 100 Ohm Resistor 5% 1/4 Watt Carbon Film
R149,R150,R151
7 R6,R7,R76,R77,R102,R143, 4.7K 50-0015 4.7 KOhm Resistor 5% 1/4 Watt Carbon Film
R145
5 R11,R12,R13,R14,R146 470 50-0006 470 Ohm Resistor 5% 1/4 Watt Carbon Film
3 R17,R106,R112 330 50-0005 330 Ohm Resistor 5% 1/4 Watt Carbon Film
11 R18,R19,R20,R21,R92,R94, 10.0K 1% 52-0107 10.0 KOhm Resistor 1% 1/4 Watt Metal Film
R120,R121,R124,R126,R129
3 R22,R47,R50 100K 50-0036 100 KOhm Resistor 5% 1/4 Watt Carbon Film
8 R23,R24,R54,R62,R81,R82, 200 50-0004 200 Ohm Resistor 5% 1/4 Watt Carbon Film
R83,R84
5 R25,R35,R45,R46,R53 10 50-0001 10 Ohm Resistor 5% 1/4 Watt Carbon Film
3 R26,R59,R78 15K 50-0019 15 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R29 220K 50-0040 220 KOhm Resistor 5% 1/4 Watt Carbon Film
4 R30,R67,R73,R134 20K 50-0023 20 KOhm Resistor 5% 1/4 Watt Carbon Film
11 R31,R48,R51,R65,R71,R108, 2K 50-0013 2 KOhm Resistor 5% 1/4 Watt Carbon Film
R109,R114,R115,R118,R131
1 R33 0 50-0050 0 Ohm Resistor 5% 1/4 Watt Carbon Film
2 R34,R135 1M 50-0045 1 MOhm Resistor 5% 1/4 Watt Carbon Film
4 R36,R66,R72,R79 47K 50-0030 47 KOhm Resistor 5% 1/4 Watt Carbon Film
11 R38,R39,R40,R41,R119, 20.0K 1% 52-0091 20.0 KOhm Resistor 1% 1/4 Watt Metal Film
R122,R123,R125,R127,R128,
R130
1 R42 12K 50-0021 12 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R43 150K 50-0038 150 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R49,R52 18K 50-0022 18 KOhm Resistor 5% 1/4 Watt Carbon Film
3 R60,R70,R103 470K 50-0042 470 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R64 6.8 50-0145 6.8 Ohm Resistor 5% 1/4 Watt Carbon Film
2 R68,R74 1.2K 50-0202 1.2 KOhm Resistor 5% 1/4 Watt Carbon Film
1 R80 33K 50-0028 33 KOhm Resistor 5% 1/4 Watt Carbon Film
2 R96,R97 2.00K 1% 52-0186 2.00 KOhm Resistor 1% 1/4 Watt Metal Film
2 R98,R99 51.1K 1% 52-0019 51.1 KOhm Resistor 1% 1/4 Watt Metal Film
6 R107,R113,R133,R136,R142, 1K 50-0012 1 KOhm Resistor 5% 1/4 Watt Carbon Film
R144
5 S13,S19,S24,S27,S36 DIP18S 70-3160 18 Pin Dip Socket
1 S23 DIP28S 70-3161 28 Pin Dip Socket, .600 wide
2 SR1,SR4 SR280059 28-0059 Screw, 6-32 x 1/4", Pozi, Pan, Black
2 SR2,SR3 SR280058 28-0058 Screw, 6-32 x 3/8", Pozi, Pan, Black
DOD Software Page
dbx 290 (EMI) 80-6038 Revised: August 16, 1996
056038A1.000 Revision: A1
Bill Of Materials August 16, 1996 10:51:08
Quan Reference Part SYMAN Description
_______________________________________________________________________________________________________________

1 SS1 SS281092 28-1092 Swage Standoff, 0.250" Round x 0.250" H, 6-32
12 SW1,SW2,SW3,SW4,SW5,SW6, SW440163 44-0163 SPST Pushbutton Switch

SW7,SW8,SW9,SW10,SW11,

056038a1

SW12
2 TP2,TP7 TESTP 00-0000 Test point, Standard
1 U1 7912-H 70-4017 7912 -12 Volt 1 Amp Voltage Regulator TO-220 HORIZ
1 U2 7812-H 70-4013 7812 +12 Volt 1 Amp Voltage Regulator TO-220 HORIZ
1 U3 7805-H 70-4014 7805 +5 Volt 1 Amp Voltage Regulator TO-220 HORIZ
1 U4 CM16C450 72-5408 UART
1 U5 74HC4024 72-1097 Asynchronous 7 Bit Binary Counter
1 U6 74HC74 72-1092 74HC74 Dual D-Type Pos Edge Trig Flip-Flop
1 U7 7805-V 70-4014 7805 +5 Volt 1 Amp Voltage Regulator TO-220 VERT
1 U9 6N138 70-2139 6N138 Opto-Isolator
1 U10 74HC00 72-1090 Quadruple 2-Input Positive-Nand Gate
1 U11 74HC138 72-1108 3 Line to 8 Line Decoder/Demultiplexer
1 U12 84C00-10 72-5410 CPU Z84C00 Microprocessor 10MHz CMOS
5 U13,U19,U24,U27,U36 4464-80 72-3149-08 4464, 64K X 4 Dynamic RAM -80ns LH2464
5 U14,U15,U16,U18,U32 4558 72-4024 4558 Wide Bandwidth Dual Op-Amp
1 U17 SAA7360/SM 72-3086 A/D Sigma, Delta, 18 bit 44-QFP
3 U20,U25,U30 74HC574 72-1112 Octal D-Type Pos. Edge Triggered Flip-Flops
1 U21 74HC244A 72-1107 Octal Buffer-Line Driver W/3-State Outputs
1 U22 CS4330/SM 72-5412 CS4330, Stereo D/A Converter
1 U23 72-3070-01 72-3070-01 27C512 (dbx290) V2.08
1 U26 SDISCII_84 72-3177 SDISCII,ASIC, Digitech Custom DSP, 84 PIN PLCC
2 U28,U29 LM339 72-4053 Quad Comparator
1 U31 NE5532 72-4316 5532 Low Noise Dual Op-Amp
1 U34 XILINX DBX 72-3131 FPGA,AD-DA Interface 44-PLCC
1 U35 6264A 72-3147-10 6264, 8K X 8 CMOS Static RAM
1 U37 LM311 72-4027 LM311 Analog Voltage Comparator
1 U38 24C01 72-3075 256 X 8 Serial EEProm
1 U39 MC34064P 70-5004 MC34064 Undervoltage Sensing Circuit
5 WA1,WA2,WA3,WA4,WA5 WA283449 28-3449 Washer, Ground, Int tooth, for Cliff S2 Jack
1 X1 20.00MHZ-V 76-0321 20.00 MHZ Crystal, Horiz