Alto Maxidrive3_4 Service manual

Service Manual

Model: MAXIDRIVE3.4

3-WAY STEREO DIGITAL CROSSOVER

www.altoproaudio.com

Version: 1.1

CONTENTS

1. Specification…………………………………………. 2

2. Block Diagram………………………….…………… 1

3. Schematic Diagram..………………….,……..……. 9

4. Printed Circuit Board………………………………. 8

5. Wiring Diagram…………………………………..…. 1

6. Test Procedure………………………………….…… 0

7. Electrical Parts List………………………………… 18

8. Exploded Views & Mechanical Parts List………… 1

9. Troubleshooting………………………………..……. 0

10. Notes…………………………………………….…… 0

 

General specifications:

I NPUT section
Connectors 2 x COMBO
Nominal input sensitivity 0dB(0.775v)
Input I mpedance 30KOhm
Max.Input level + 20dBu
Input Gain –30/+ 6 dB step 0.5dB
Digital input AES/ EBU, XLR-F
Digital input sample rate 32kHz/48kHz
Output section
Connectors 6 x XLR-M
Output Impedance 600Ohm
Nominal Output level 0dBu
Maximum Output level +20dBu
Output Gain –30/+ 6dB step 0.5dB
DSP Section

A/D converters 20bit
D/A converters 20bit
Internal dynamics 40bit
Sampling fequency 48kHz

Features

Configuration 2-WAY STEREO, 3-WAY STEREO,

2,3,4,5,6-WAY MONO
Crossover Filters Type Bessel , Butter worth or Linkwitz-Riley
Crossover Filters Slope 6, 12, 18, 24, or 48dB per octave
Delay Step 21 microseconds minimum
Max Delay time 2621 ms (inputs), 291 ms(output)
EQ filters Up to 40 maximum (depending on the

crossover slope)
EQ Type Peak, 6dB Lo-Shelf, 12dB Lo-Shelf, 6dB Hi-Shelf,

12dB Hi-Shelf, Notch + / -15dB, variable in 0.05

steps
EQ Gain + / -15dB, variable in 0.5dB steps
EQ Bandwidth 0.05 to 3.00 octaves, variable in 0.05 steps
EQ freq 15.6Hz to 16kHz
Dynamics Digital limiter on all the output
Memories FACTORY PRESETS are 10+ 128 USER PRESETS

+ 128 CARD PRESETs

Communications 9-pin RS232, XLR-F RS485 IN, XLR-M RS485 OUT

General Performance(with filters out)

Frequency Response 20Hz-20KHz, 0.25dB

Dynamic range > 117dB 20Hz to 20KHz
> 120dB 20Hz to 20KHz on AES/EBU input
Channel Separation > 100dB 20Hz to 20KHz
Distortion(THD) 0.05% , 20Hz to 20KHz

Input Meter -24dB, -18dB, -12dB, -6dB, CLIP relative to Clip

point(+ 20dBu)
Outpur Meter -24dB, -12dB, -6dB, LIMIT relative to limiter

threshold setting, CLIP

General

Dimensions 483 x 44 x 300mm
Weight 4.0kg

IN A

IN A

IN B

IN A

AD C

AD C

AD C

AD C

R

O

U

T

I

N

G

4321

+5VD

SD_OUT

QS'

10

QS

9

11

R22

R20

1K2

DELAY

DL42 RED

+5VD +5VD

AR1

4K7*4

78
56
34
12
78
56
34
12

AR4

4K7*4

C4

10U

+5VD

C14

104P

D

IC3A

HCF4094

R18

1K2

1K2

UTILITY

DL41 RED

DL44 RED

R6

10K

R31

10K

QH9QH

IC6A

74HC165D

A11B12C13D14E3F4G5H

SW11

MUTE3

C15

220U

R8

1K

R13

3K9

C

D

2

CP

3

STR

1

EO

D04D15D26D37D414D513D612D7

R21

1K2

EDIT

PRESET

DL43 RED

15

7

2

CI

SW12

SW10

SW13

SW14

15

R25

1K2

DL45 RED

10

S/L1CK

SIN

6

78

+5VD

56
34
12
78
56
34
12

SW9

SW3

SW8

QS'

10

9

R26

1K2

MUTE1

MUTE2

DL46 RED

IC2A

AR2

4K7*4

AR3

4K7*4

IC5A

QS

HCF4094

11

R27

R28

1K2

1K2

MUTE3

DL48 RED

DL47 RED

7

QH9QH

74HC165D

A11B12C13D14E3F4G5H

SW4

SW2

R29

MUTE4

15

2

CI

SW6

SW1

GIU

MUTE5

MUTE6

MUTE4

MUTE1

MUTE2

ENTER

ESC

IC1C

IC1D

74HC14D

74HC14D

89

1 2 IC1A

IC1B

74HC14D

5 6

3 4

MODE

PAG UP

PAG DW

IC4B

74HC04D

74HC14D

SW7

30P-ENCODER

+5VD

3 4

D

2

CP

3

STR

1

EO

D04D15D26D37D414D513D612D7

R30

1K2

MUTE5

DL49 RED

10

S/L1CK

SIN

6

15

1K2

+5VD +5VD

MUTE6

DL50 RED

R7

10K

IC4A

74HC04D

SW5

SU

+5VD

IC4C

74HC04D

10K

R24

R3

5K6

IC1F

74HC14D

12 13

B

Display front board

MAXIFP2.SCH

D1

R23

1 2

5 6

R5

OUT EN

4148

P80

10U

C17

P90

P80

100K

C16

10K

R19

+5VD

R14

10K

+5VD

C8

47P

C9

47P

CLOCK1

1011

IC4E

74HC04D

89

IC4D

74HC04D

R1

5K6

C1

103P

R2

5K6

C2

103P

5K6

R10 10R

R12 10R

R15 10R

IC1E

10 11

74HC14D

47P

C7

47P

+5VD

CLOCK

STROBE LED

1213

47P

C10

IC4F

74HC04D

P80

R11 10R

R17 10R

R16 10R

R4

4R7 1/2W

A

P90

MAXIDRIVE

Titel

CN4

2P2.5

1

2

C18

10U

147

168

168

168

168

VER020610

00 of

C.C.LIN

RevisionModel No:

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Display front board

27-Aug-2002

MAXIFP1.Sch

A4

Size

File:

Date:

P90

IC1G

74HC14D

C3

104P

IC2B

74HC165D

C5

104P

IC6B

74HC165D

C13

104P

IC5B

HCF4094

C12

104P

IC3B

HCF4094

TO DISPLAY

123456789

CN1

CN2*4-2

C6

147

1011121314

D

CN2

CN2*10

TO CPU

123456789

C

1011121314151617181920

B

IC4G

C11

A

1 2 3 4

104P

74HC04D

104P

4321

168

C20

+5VD

168

C19

D

C

B

DL39

R55

1K2

168

104P

IC8B

HCF4094BM

IC7B

104P

C22

+5VD

168

C21

104P

104P

HCF4094BM

IC10B

HCF4094BM

IC9B

HCF4094BM

168

C23

+5VD

9

10

IC11B

104P

HCF4094BM

QS

QS'

IC9A

STR1D2CP3EO

D7
D6
D5
D4
D3

7

D2

HCF4094BM

6

D1

5

D0

4

15

R54

1K2

R53

1K2

11
12

R52

13
14

1K2

R51

1K2

R50

1K2

R49

1K2

R48

1K2

-12dB

OUT6

DL37

-6dB

OUT6

DL34

CLIP

OUT6

LIMIT

OUT6

DL40

-24dB

OUT6

DL38

-24dB

OUT5

DL36

-12dB

OUT5

DL33

-6dB

OUT5

A

VER020610

22 of

C.C.LIN

RevisionModel No:

Drawn By:

Sheet

Display front board

27-Aug-2002

MAXIFP2.Sch

MAXIDRIVE

A4

Titel

Size

File:

Date:

DL31

R71

1K2

-24dB

10

9

QS

QS'

10

QS'

IC11A

HCF4094BM

STR1D2CP3EO

9

IC10A

HCF4094BM

STR1D2CP3EO

D7

11

D6

12

D5

13

D4

14

D3

7

D2

6

D1

5

D0

4

15

QS

D7

11

D6

12

D5

13

D4

14

D3

7

D2

6

D1

5

D0

4

15

DL27

R70

1K2

DL23

R69

1K2

R68

1K2

DL19

DL26

R67

1K2

DL22

R66

1K2

DL15

R65

1K2

DL14

R64

1K2

DL16

R63

1K2

DL4

R62

1K2

DL7

R61

1K2

DL11

R60

1K2

DL12

R59

1K2

DL8

R58

1K2

R57

1K2

DL3 DL5

R56

1K2

OUT3

-12dB

OUT3

-6dB

OUT3

LIMIT

OUT3

-24dB

OUT2

-12dB

OUT2

-6dB

OUT2

LIMIT

OUT2

B

-24dB

A

-12dB

A

-18dB

A

-24dB

B

-18dB

B

-12dB

B

-6dB

B

CLIP

10

9

QS

QS'

0R

R72

10

QS'

IC8A

STR1D2CP3EO

IC7A

STR1D2CP3EO

D7
D6
D5
D4
D3

7

D2

HCF4094BM

9

QS

HCF4094BM

6

D1

5

D0

4

15

D7
D6
D5
D4
D3

7

D2

6

D1

5

D0

4

15

R47

R46

R45

11
12

R44

13
14

R43

R42

R41

R40

R39

R38

R37

11
12

R36

13
14

R35

R34

R33

R32

DL35

1K2

-24dB

DL32

1K2

DL25 DL30

1K2

1K2

DL29

DL28

1K2

DL24

1K2

OUT4

-12dB

OUT4

CLIP

OUT5

LIMIT

OUT5

-6dB

OUT4

LIMIT

OUT4

1K2

CLIP

DL18 DL20

1K2

DL13

1K2

DL17

1K2

OUT4

CLIP

OUT3

-6dB

OUT1

-12dB

OUT1

1K2

-24dB

DL10 DL21

1K2

DL9

1K2

DL6

1K2

1K2

DL1 DL2

1K2

OUT1

CLIP

OUT2

LIMIT

OUT1

CLIP

OUT1

A

-6dB

A

CLIP

1 2 3 4

CLOCK1

CLOCK

SD_OUT

OUT EN

STROBE LED

D

C

B

A

D

C

B

A

SHUNZA

PCB# F313072

4321

Number RevisionSize

DX26 CPU & AD/DA BOARD

F313072.PRJ (F3130372 MAIN PROJECT)

A4

Title

Date: 20-Oct-2002 Sheet of

File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:

DIGITAL I/O BUS

DIGITAL I/O BUS

A/D INTPUT

AD-IN.SCH

DIGITAL I/O BUS

RXN

RXP

D/A CONVERTER OUTPUT

DA-CONV.SCH

RXP

RXN

MUTE

MUTE

DSP CPU POWER

DSP CPU MAIN

DSP-CPU.SCH

D

C

DSP-PS.SCH

1 2 3 4

B

A

7654321

8

DSP DATA BUS

AR3

4.7K*4

AR2

4.7K*4

AR11

4.7K*4

AR15

4.7K*4

AR28C

4.7K*4

AR28D

4.7K*4

AR29

4.7K*4

AR16 100R*4
AR19 100R*4

AR4 100R*4

AR5 100R*4

AR39C 100R*4

AR39B 100R*4

+5VD

1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8

5 6
7 8
1 2
3 4
5 6
7 8

DATA/OUT1
DATA/OUT2
DATA/OUT3
DATA/OUT4
DATA/OUT5
DATA/OUT6
LRCK
BB_LE
BCLK

+5VD

STBSWT
STBLED

LGND

DIGIT IN
LRCK L/R

LGND

D0_L/R
D1_L/R
D2_L/R
D3_L/R

BIR5
BIR6

SYSCLK

12.288MHZ

DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
DD8
DD9
DD10
DD11
DD12
DD13
DD14
DD15

DD26
DD27
DD28
DD29
DD30
DD31

P23

(48KHZ)

(3.072MHZ)

DA0
DA1
DA2
DA3
DA4
DA5
DA6
DA7
DA8
DA9

DSP ADDR BUS

AR21

100R*4

AR25

100R*4

R65

100R

R68

+5VD

100R

12
34

AR18

56

4.7K*4

78
12
34

4.7K*4

56
78

AR28A

12

4.7K*4

34 AR28B

4.7K*4

DRAS
DCAS
DWR
DOE

2

AD0

3

AD1
AD2

4

AD3

5
7

AD4

8

AD5

9

AD6
AD7

10

AD8

31
32

AD9
AD10

33

AD11

34

AD12

36

AD13

37
38

AD14
AD15

39

AR17

DA0 DD0
DA1

18

DA2

19

DA3

20

DA4

23
24

DA5
DA6

25

DA7

26

DA8
DA9

28
11
12
15
13

DWR

14

DRAS

30
31

DCAS

29

DOE

IC10A

25
24

AA2
AA3

23

AA4

22

AA5

21
20

AA6

19

AA7
AA8

18

AA9

8
7

AA10

6

AA11

5

AA12
AA13

4

AA14

3
2

AA15
AA16

1

AA17

48

AA18

17

AA19

16
26

WO

11
28

OE

12

+5VD +5VD

A_CS3

CPU DATA BUS

DD0

A0

DD1

A1

DD2

A2

DD3

A3

DD4

A4

DD5

A5

DD6

A6

DD7

A7
A827DD8
A9

DD9

DRAM 1M*16

NC

DD10

NC

DD11

NC

DD12

WR

DD13

RAS

DD14

OCAS

DD15
CCAS
OE

EN29F800B-70T
( AM29F800BB-90EC )

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10

D10

A11

D11

A12

D12

A13

D13

A14

D14

A15

D15
A16
A17

RY/BY
A18
CS
WE
OE
RST

BYTE

NC
NC

D0
D1
D2
D3
D4
D5
D6
D7
D8
D9

NC
NC
NC
NC

IC14 GM71C18163CJ-6

17

2

DD1

3

DD2

4

DD3

5

DD4

7
8

DD5
DD6

9

DD7

10

DD8

33

DD9

34
35

DD10
DD11

36

DD12

38
39

DD13

40

DD14

41

DD15

32
16

AD0

29
31

AD1
AD2

33

AD3

35

AD4

38
40

AD5

42

AD6
AD7

44

AD8

30
32

AD9

34

AD10

36

AD11
AD12

39

AD13

41
43

AD14
AD15

45

15
9
10
13
14
47

1 2

9

10

12

13

12

13

LGND

89

1011

1213

89

1011

1213

IC27D
74HC04D

IC27E
74HC04D

IC27F
74HC04D

IC30A
74HC04D

IC30D
74HC04D

IC30E
74HC04D

IC30F
74HC04D

8

11

11

IC28C
74HC32D

IC28D
74HC32D

IC5D
74HC08D

D

C

1
2
3
4
5
6
7
8

11

71
72
73
74
75
80

IC20B MMS-REDLG

D_D0
D_D1
D_D2
D_D3
D_D4
D_D5
D_D6
D_D7
D_D8
D_D9
D_D10
D_D11
D_D12
D_D13
D_D14
D_D15

P04/D26
P05/D27
P06/D28
P07/D29
P08/D30
P09/D31

3

AA1

D_A0
D_A1
D_A2
D_A3
D_A4
D_A5
D_A6
D_A7
D_A8

D_A9
D_A10
D_A11
D_A12
D_A13
D_A14
D_A15
D_A16
D_A17
D_A18
D_A19

D_CS0
D_CS1

D_CA5

D_OE
D_WR

7 8

35
36

5 6
3 4

39

1 2

40

7 8

41

5 6

42
43

3 4
1 2

44
45
46

DD16

49
50

DD17
DD18

51

DD19

52

DD20

53

DD21

54

DD22

55

DD23

56

DD24

57

DD25

58

30
31
32
34
33

16

AA1

17

AA2

18

AA3

19

AA4

22

AA5

23

AA6

24

AA7

25

AA8

26

AA9

15
12
11
30

WR

13
14

RAS
UCAS

28

LCAS

29

DE-R

27

DD16
DD17
DD18
DD19
DD20
DD21
DD22
DD23
DD24
DD25

7 8
5 6
3 4
1 2

AR22

100R*4

A0

DD0

A1

DD1

A2

DD2

A3

DD3

A4

DD4

A5

DD5

A6

DD6

A7

DD7

A8

DD8

NC

DD9

NC

DD10

NC

DD11

256K*16 DYNAMIC RAM

NC

DD12

WR

DD13

RAS

DD14

OCAS

DD15
CCAS
OE

IC6A AS4C256K16F0-60JC

( Fast page mode DRAM )

DD0

201
202

DD1
DD2

203

DD3

204

DD4

205

DD5

206
207

DD6
DD7
DD8
DD9
DD10
DD11
DD12
DD13
DD14
DD15

DD26
DD27
DD28
DD29
DD30
DD31

IC28A

74HC32D

2

1

DIGITAL I/O BUS

CPU ADDR BUS

R76 10K

BIR0
BIR1

+5VD

12
34

AR31

56

4.7K*4

78
12
34

AR26

56

4.7K*4

78
12
34

AR27

56

4.7K*4

78
12
34

AR24

56

4.7K*4

78

WR
OE
W0
W1

A_CS0
P30/A30

A_CS3

+5VD

B

A

AR6

4K7*4

AR8

4K7*4

AR10
4K7*4

+5VD

LGND

3 4

1 2

R40 4K7
R47 4K7

R44 4K7

J1B
IDC4

J1A

IDC4

96
67
68
69
70

IC20A MMS-REDLG

A_A0
A_A1
A_A2
A_A3
A_A4
A_A5
A_A6
A_A7
A_A8
A_A9
A_A10
A_A11
A_A12
A_A13
A_A14
A_A15
A_A16
A_A17
A_A18
A_A19

A_LCAS_W0

A_A20

A_UCAS_W1
A_A21
A_A22
A_A23

P23/ALE
P00/D28
P01/D29
P02/D30
P03/D31

A_D0
A_D1
A_D2
A_D3
A_D4
A_D5
A_D6
A_D7
A_D8

A_D9
A_D10
A_D11
A_D12
A_D13
A_D14
A_D15

A_WEB

A_DE

A_CS0
A_CS1
A_CS2
A_CS3

P30/A30
P31/A31

P24/ACK

INT0
INT1
INT2
INT3

105

AD0 AD0
AD1 AD1

106

AD2 AD2

109
110

AD3 AD3
AD4 AD4

111

AD5 AD5

112

AD6 AD6

113

AD7 AD7

114
115

AD8 AD8
AD9 AD9

116

AD10 AD10

117
118

AD11 AD11

121

AD12 AD12

122

AD13 AD13
AD14 AD14

123

AD15 AD15

124

135

7 8

136

5 6
3 4

139

1 2

140

7 8

125

5 6

132

3 4

133

1 2

134
103

1 2

104

7 8

97

INT_0

126
127

INT_1
ERROR

128

INT_3

129

AR20 100R*4

AR23 33R*4

AR39A 100R*4
AR39D 100R*4

AR12

AA20

AA19

AA23
AA22
AA21

AA16
AA18
AA17

AA15
AA14
AA13
AA12
AA11
AA10
AA9

100R*4

AR13

100R*4

AR14

100R*4

AR9

100R*4

AR7

100R*4

R45 1K

R41 1K

12
34
56
78
34
56
12
78
78
56
34
12

3 4

AA2

1 2

AA3

1 2

AA4

3 4

AA5

5 6

AA6

7 8

AA7

1 2

AA8

3 4

AA9

5 6

AA10

7 8

AA11

1 2

AA12

3 4

AA13

5 6

AA14

7 8

AA15

1 2

AA16

3 4

AA17
AA18

5 6
7 8

AA19
AA20
AA21
AA22
AA23

R77 4K7

1 2
3 4
5 6
7 8

AR30

4K7*4

LGND

R72 100R

MUTE

7 8

AA0

5 6

AA1

182
181
180
179
178
160
159
158
151
152
153
154
155
156
162
163
164
165
166
167
168
169
170
171

P23

P00

P01

DX26 DSP-CPU BOARD (PCB#F313072)

Title

DX26 CPU & AD/DA BOARD

DSP-CPU.SCH (F3130372 DSP MAIN)

Number RevisionSize

A3

Date: 20-Oct-2002 Sheet of
File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:

PCB# F313072

SHUNZA

CN9 CN2*10

SD_IN

1 2

SD_CLK

3 4

STBLED

5 6

PRG

7 8

DB1 DB2

9 10

DB3 DB4

11 12

DB5 DB6

13 14

DB7 DE

D

1
2
3
4
5
6

CN7

CN2*3

DCS2

RSRX
RSTX

15 16
17 18
19 20

C

+5VD

1
2
3
4
5
6
7
8
9

10

CN2

CN2*5

4
5
6

B

LGND LGND LGND

LGND

IC35

MAX709

NC1VCC
NC
NC
NC

IC30C
74HC04D

RST

GND

NC

BIR6
BIR5
BIR1
BIR0

5 6

R86
47K

XT1

24.576MHZ

C164

C165
15P

15P

SD_OUT

STBSWT

PWM DIS

RXRST

RXP

RXN

DIAL1

DIAL0

+5VD

2
7

1 2
3
8

3 4

IC30B

74HC04D

R85
220R

DB0

DRST
DIAL1DIAL0

6

7 4

R106

33K

R107

33K

C184
104P

IC36A

74HC14DT

R105
10K

R87

100R

LGND LGND

IC26B

D

CLK

10

9

Q

SD

8

Q

CD

2

3

74HC74D

12

11

LGND

13

D2

RLS4148

A

R97
560R

R98
10K

C182

1U

C183

IC36E

74HC14DT

1011

LGND LGND

+5VD

AR36

4.7K*4

AR34

4.7K*4

AR37

4.7K*4

IC32A MAX485E

TRANSCEIVER

5 6

C181

104P

LGND

+5VD

PRG

IC36B

74HC14DT

3 4

+5VD

4

74HC74D

D

SD

CLK

CD

1

IC36D

74HC14DT

R96 4K7

Ro

De

Di

IC36F

74HC14DT

IC36C

74HC14DT

R71

4K7

R88

100R

R70

100R

IC26A

Q

Q

2Re

1

3

1213

D1

RLS4148

5

6

89

LGND

MD0_I

MD0_O

INT_1

INT_0

MD2_O

INT_3

C150
220P

12
34
56
78
78
56
34
12

78
56
34
12

DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7

DE

D/I
DCS1
DCS2
DRST

P30/A30

A_CS0

P00

5 6

P01

PWM DIS

AR32 100R*4

1 2
3 4
5 6
7 8

MD0_O
MD0_I
RSTX
RSRX
MD2_O

R73 220R
R74 220R

SD_IN
SD_OUT
SD_CLK

R75 220R

INT_0
INT_1

LGND

REFCLK

7 8

DB0

5 6

DB1

3 4

DB2

1 2

DB3

1 2

DB4

3 4

DB5

5 6

DB6

7 8

DB7

DE

D/I
DCS1
DCS2
DRST

W0

W1

IC27C 74HC04D

OE

C84 220P

R43 100R

AR35

100R*4

AR33

100R*4

R95100R

9

10

1

2

4

5

4

5

C149
220P

LGND

LGND

IC5C

74HC08D

74HC08D

74HC08D

74HC32D

IC33A 74HC374DW

5

9

15

19

IC34A 74HC374DW

5

9

15

19

8

3IC5A

6IC5B

6IC28B

Q02D0
Q1
Q26D2
Q3
Q412D4
Q5
Q616D6
Q7
OE1CP

Q02D0
Q1
Q26D2
Q3
Q412D4
Q5
Q616D6
Q7
OE1CP

R39
4K7

AD0

3
4

R38
4K7

AD1
AD2

7

AD3

8

AD4

13

AD5

14

AD6

17

AD7

18
11

AD8

3

AD9

4

AD10

7

AD11

8

AD12

13

AD13

14
17
18
11

LGND

D1

D3

D5

D7

D1

D3

D5

D7

LGND LGND LGND LGND

IC20C MMS-REDLG

100

149
183

177
173

83

P12/BIR0

84

P13/BIR1

85

P14/BIR2

86

P15/BIR3

87

P16/BIR4

88

P17/BIR5

89

P18/BIR6

90

P19/BIR7

91

P20/BIR8

64

MD0_O

59

MD0_I

65

MD1_O

60

MD1_I

66

MD2_O

61

MD2_I

98

P25/SDI

99

P26/SDO
P27/SCK

94

P21/AD0

95

P22/AD1

ADCIN
TESTE

REFCLK
REFOUT

29

RST

24

XTIN

25

XTOUT

CK256FS

CK64FS

BB_LE
BB_LA

FSYNC_O

FSYNC_I
P11/CK32
P10/CK32

M4_WS
M4_LA

MOD0
MOD1
MOD2
MOD3
MOD4
MOD5
MOD6
MOD7

P28/STB0
P29/STB1

DAC0
DAC1
DAC2
DAC3
DAC4
DAC5

ADC0
ADC1
ADC2
ADC3

21

12
13
14
15
16
17
20
22
176
19
18
82
81

196
197
198
199

195
194
186
187
188
189
190
191
192
193

101
102

RAS

LCAS

UCAS

OE-R

R29
4K7

7 8
5 6
3 4
1 2
7 8
5 6
3 4
1 2

R69 100R

R92 220R
R91 220R

7 8
5 6
3 4
1 2

7 8
5 6
3 4
1 2

5 6
3 4

1 2 3 4 5 6 7 8

D

C

B

A

SHUNZA

PCB# F313072

123

CN3

CN2*2

4321

D0_L/R

D1_L/R

D2_L/R

D3_L/R

SYSCLK

LRCK L/R

C77

10U

4

AGND

AR1 100R*4

1 2

3 4

5 6

7 8

26

D023D124D225D3

IC8A PCM1760U

Out-2R1In-2R2Out-1R3In-1R4Out-2L14In-2L13Out-1L12In-1L

R30 1K2

R31

1K2

C51

1N8

C50

R22

R42 100R

18

17

19

STB

256F

LRCK

BpOOCR27BpOOCL

C48

2N2

C49

2N2

R20

1N8

560R

R16 1K2

C38

1N8

470R

R21 2K2

C39

1N8

AGND

R/IN

R19

47K

C74

16NC15NC28NC10

R17 1K2

C45

2N2

R18

470R

R11

560R

AGND

10U

AGND AGND

Number RevisionSize

DX26 CPU & AD/DA BOARD

AD-IN.SCH (F3130372 A/D INPUT)

A4

DUAL 20BIT MODULATOR

Title

Date: 20-Oct-2002 Sheet of

File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:

11

C40 2N2

R12

2K2

AGND

R13

47K

L/IN

AGND

LRCK

RXRST

+5VD

R94

4K7

3

2

CS

CCLK

IC31A AD1892JR

CA21CB20CE17CD18CC19CON/PRO15CSCLK16SYNC23MUTE27PD/RST1RXP

C171

22

1U

C167

103P

ERROR

REFCLK

DIGIT IN

LGND

R93

100R

5

12

11

6

4

SDI

SDO

QDFS

NDSIG

R90

100R

8

25

10

9

INT

SFCLK

U/CBIT

ERROR

28

26

24

BCLK

MCLK

SDATA

LRCLK

C47

+5VA

67

1U

C76

21

IC8C

20

PCM1760U

1U

C46

9

IC8B

PCM1760U

8 5

C56

10U

1U

C75

-5VA

C55

10U

RXN

13

LGND

104P

LGND

TF2

12

LT-0806M

14

R89

110R 1%

+5VD

4 3

C176

104P

227

IC31B

AD1892

LGND AGND

1 2 3 4

DIGITAL I/O BUS

103P

C175

RXP

RXN

D

C

B

A

D

C

B

A

IC20G

+5VD

4321

3V51V5

R53

220R

L2

R52

1K5

R54

820R

141142

BLM21

LGND

R49

1K8

LGND

LGND

143145

144

IC20F

146150

C86

C102

R51

R50

220R

820R

+5VD +5VD

L1

BLM21

Rxx

+5VD +5VD

R46

2K2

C57

104P

LGND

C85

220P

LGND

C82

104P

104P

C152

C97

104P

C60

104P

C78

104P

C100

104P

C98

104P

C140

104P

C142

104P

C153

104P

C151

104P

C141

104P

C139

104P

C96

104P

C83

104P

COLLEGARE TRA

PIN 147 E 148

184185

200208

172174

157161

137138

IC20E

119120

MMS-REDLG

107108

9293

7879

6263

4748

3738

2326

910

+5VD

147148

IC20D

MMS-REDLG

MMS-REDLG

-5VA

AGND

+5VA

CN5

6P2.5

+12V

+5VA

R36

TR2

1K2

R35

TR1

BC327

RLS4148

2021

6

1

2142

6

1

37

+12V(BATTERY)

12345

10U

C162

C163

104P

22K

BC337

560R 1/4W

R32

560R 1/4W

R33

IC6B

IC14B

IC10B

AD/DA SUPPLY

FROM POWER SUPPLY BOARD CN6

6

AGND

85

-5VA

10U

C161

C160

104P

C53

104P

R37

4K7

C35

10U

R34

330R 1/4W

B1

4.8V

IC30B

74HC04D

C172

147

IC30G

74HC04D

C166

147

IC26C

74HC74D

C148

147

IC5E

74HC08D

C34

147

IC36G

74HC14D

C180

C108

104P

104P

104P

104P

104P

104P

LGND LGND

147

IC27G

74HC04D

C168

104P

35

40

M11B416256A-35J

C36

104P

37

DRAM 1M*16 DRAM 256K*16

22

GM71C18163CJ-6

C81

104P

C80

10U

LGND

+5VD

147

IC28E

74HC32D

C169

2010

IC34B

74HC374DW

C179

2010

IC33B

74HC374DW

C178

104P

104P

104P

46

C52

27

FLASH 8MBit

EN29F800B-70T

C59

104P

C58

10U

CN6

104P

C174

220/25V

1

2

2P3.9

C106

104P

10U

C107

10U

C103

C105

104P

10U

C104

C99

104P

LGND

MMS-REDLG

104P

10U

+5VD +5VD

175

27 28

D3

+12V

76 77

130 131

+5VD

LGND

10U

C101

C79

104P

PCB# F313072

DX26 CPU & AD/DA BOARD

DSP-PS.SCH (F3130372 DSP,RAM,ROM POWER)

Title

LGND

FROM POWER SUPPLY BOARD CN1

CPU SUPPLY

SHUNZA

Number RevisionSize

A4

Date: 20-Oct-2002 Sheet of

File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:

1 2 3 4

D

C

B

A

D

C

B

A

OUT4

TR8

J176

AGND

R83

4

4.7K

C31

100U

7

R10

5

6

R14

6.8K

C30

102P

C173C158

220K

R104

22K

AGND

MUTE

IC4B

2068DD

AGND

C29

470P

R15

6.8K

1

R9

C21

2.7K

220P

14

IC4A

2068DD

3

2

AGND

321

OUT

CLK2DATA1LE7SRV17RFE19BPO

IC13APCM1702U

C44

47/25V

12

C28

22U

BCLK

DATA/OUT4

BB_LE

C43

100U

OUT1

TR6

J176

AGND

R81

4.7K

C129

100U

7

6

R59

C123

102P

220K

R102

R61

22K

AGND

MUTE

IC24B

2068DD

5

6.8K

AGND

C130

470P

R60

6.8K

1

R62

2.7K

C133

220P

14

IC24A

2068DD

3

2

AGND

AGND-5VA-5VA

OUT6

R80

4.7K

C7

100U

7

6

R3

C6

102P

R1

C2

2.7K

220P

2

14

OUT

CLK2DATA1LE7SRV17RFE19BPO

IC11APCM1702U

BCLK

DATA/OUT6

BB_LE

OUT2

R82

4.7K

AGND AGND

C143

100U

7

6

R63

C134

102P

R67

C147

220P

2.7K

2

14

OUT5

TR4

TR3

J176

AGND

AGND

C155

220K

R99

R2

22K

AGND

MUTE

IC2B

2068DD

5

6.8K
C5

470P

R4

6.8K

C19

AGND

1

C9

IC2A

2068DD

220P

3

AGND

C13

12

C3

22U

C12

100U

TR5

J176

14

IC12APCM1702U

47/25V

AGND-5VA-5VA

BCLK

AGND

AGND

C157

R101

220K

22K

R66

AGND

MUTE

IC25B

2068DD

5

6.8K

AGND

470P

C144

R64

6.8K

C118

1

C122

IC25A

2068DD

220P

3

AGND

14

J176

R79

4.7K

100U

7

R6

22K

IC3B

5

6

R7

6.8K
C17

R8

6.8K

C18

102P

1

R5

2.7K
IC3A

3

2

OUT

CLK2DATA1LE7SRV17RFE19BPO

DATA/OUT5

BB_LE

C15

C24

OUT3

TR7

J176

R84

4.7K

100U

7

R57

22K

IC23B

5

6

R55

6.8K
C119

R56

6.8K

C112

102P

1

R58

2.7K

IC23A

3

2

AGND

AGND

C69

C156

220K

R100

AGND

MUTE

2068DD

104P

C72

10U

416

IC13B

11

AGND

470P

2068DD

C54

104P

C110

104P

C90

10U

416

IC17B

11

AGND

C66

104P

C14

104P

C62

C25

47/25V

12

AGND-5VA-5VA

10U

416

22U

100U

IC11B

11

C61

104P

C27

104P

C67

10U

AGND

AGND

416

C159

220K

R103

AGND

MUTE

2068DD

IC12B

11

C64

104P

C127

104P

C94

10U

AGND

C73

104P

C41

10U

20

15

5

PCM1702U

6

C42

104P

104P

C111

C89

10U

DX26 CPU & AD/DA BOARD

DA-CONV.SCH (F3130372 D/A CONVERTER OUTPUT)

Title

20

15

5

PCM1702U

6

C65

104P

AGND

C11

104P

C10

10U

1 2

3 4

5 6

7 8

9 10

CN4 CN2*7

11 12

OUT2

OUT3

OUT4

OUT5

OUT6

20

15

5

PCM1702U

6

84

IC3C

C63

104P

C23

104P

C22

10U

20

15

5

PCM1702U

2068DD

C16

C8

104P

84

IC2C

2068DD

C1

C4

104P

104P

104P

6

C68

104P

C128

104P

C93

10U

84

IC23C

2068DD

C120

104P

C121

104P

AGND

470P

416

11

20

15

IC19B

5

PCM1702U

84

IC4C

2068DD

C20

C26

104P

104P

6

2068DD

C88

104P

C116

104P

C92

10U

AGND AGNDAGND AGND AGND AGNDAGND AGND AGND AGNDAGND

C87

104P

C117

104P

C91

10U

84

IC25C

2068DD

C145

C146

104P

104P

AGND

PCB# F313072

SHUNZA

Number RevisionSize

A4

Date: 20-Oct-2002 Sheet of

File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:

AGNDAGND

13 14

OUT1

20

DIGITAL I/O BUS

OUT

CLK2DATA1LE7SRV17RFE19BPO

IC18A PCM1702U

BCLK

DATA/OUT1

BB_LE

+5VA

416

IC18B

11

PCM1702U

C71

C70

104P

15

5

6

104P

AGND-5VA-5VA

OUT

CLK2DATA1LE7SRV17RFE19BPO

IC17A PCM1702U

BCLK

DATA/OUT3

BB_LE

C109

47/25V

12

AGND-5VA-5VA

22U

C113

C114

100U

OUT

CLK2DATA1LE7SRV17RFE19BPO

IC19A PCM1702U

C115

47/25V

12

AGND-5VA-5VA

22U

C124

BCLK

DATA/OUT2

C125

100U

BB_LE

C126

47/25V

12

22U

C135

C136

100U

-5VA

84

IC24C

C131

104P

+5VA

2068DD

C132

104P

1 2 3 4

AGND

-5VA

D

C

B

A

D

C

B

A

SHUNZA

PCB# F313085

4321

147

+3.3V

2

4

OUT

IN

IC1

LM117

3

+5VD

1234567

CS

DATA IN

GND

VCC

CLK

GND

DATA OUT

Number RevisionSize

DX26 MULTI-MEDIA-CARD BOARD

A4

Title

Date: 20-Oct-2002 Sheet of

File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:

LGND

+3.3V

R5

R6

68R

C5

104P

68R

R4

68R

LGND

IC2E

74LVC125D

C3

10U

IC2A

C4

104P

1

GND

C2

10U

74LVC125D

1

IC2B

74LVC125D

2 3

4

IC2C

74LVC125D

5 6

12 11

+5VD

C1

104P

LGND

VCC

VCC

VCC

123456789

CN1

CN-2*5

GND

GND

GND

MOS_I

MOS_OCSCLK

R2

68R

+3.3V

R3

56K

LGND

13

IC2D

74LVC125D

10

8 9

+5VD

R1

10K

LGND

10

1 2 3 4

D

C

B

A

87654321

+12V

S13

D

IN LEFT

S12

IN RIGHT

CN7

C

B

CN2*7

1
2
3
4
5
6
7
8

9
10
11
12
13
14

AGND

C30
22P

R20

R21 22K

X1

X3
X2
1
2
3
4
5
6

X1

X3
X2
1
2
3
4
5
6

C52

47/25V

R6

100R

4
5
6

7

8

9

10

S11

BAL(M)

OUT1

L21
FL5R

L20

FL5R

L19

FL5R

L18

FL5R

IC8A

HYB102004

IN+
IN­OUT

IN+

IN-

OUT

IN

1
3
2
4

D9

D12

4148

4148

15.0K

D11

4148

D7

4148

OUT+

SENS1

SENS2

OUT-

AGND

10K

10K

R59

R61

D10

4148

-12V

+12V

D5

D8

4148

-12V

LGND LGND

C70

47/25V

330R

15.0K

4148

15.0K

D6

4148

IC11B

MAX202E

10 7

T

C60
47/25V

11

12

13

15

R58

L16

FL5R

L17

FL5R

R35

15.0K

R36

R27

15.0K

R32

R33

15.0K

330R

R23

R60

AGNDAGND

AGNDAGND

C29

22P

R18

R19 22K

AGND

2

3

2

3

C57

22P

C34

22P

C50

47/25V

R5

100R

4
5
6

7

8

9

10

S10

BAL(M)

OUT2

C55

22P

R26

15.0K

IC10A

2068DD

C33

22P

R22

15.0K

IC9A

2068DD

HYB102004

MAX202E

R

IN+
IN­OUT

IN+

IN-

OUT

IN

1

1

IC11D

IC7A

1
3
2
4

47/25V

C35

47/25V

OUT+

SENS1

SENS2

OUT-

AGND

C56

10K

10K

R55

R57

AGND

AGND

98

R29

39.2K

R37
10K

R25

39.2K

R34
10K

11

12

13

15

C69

47/25V

R54

330R

L14

FL5R

L15

FL5R

C51
47/25V

C59

22P

R28

C4

10.0K

100R

R24

10.0K

100R

C48
47/25V

BAL(M)

R8

R7

C64

104P

R4

100R

4
5
6

7

8

9

10

S9

OUT3

47/25V

C3

47/25V

C41

104P

IC6A

HYB102004

IN+
IN­OUT

IN+

IN-

OUT

IN

1
3
2
4

OUT+

SENS1

SENS2

OUT-

AGND

CN6

CN2*2

R51

10K

R53

10K

4
3
2
1

13

16

IC11E

MAX202E

15

LGND

11

12

13

15

C68
47/25V

R50

330R

FL5R

FL5R

C49
47/25V

L12

L13

6

45

2

R52

330R

6

5

6

5

R56

330R

IC10B

2068DD

C54
22P

IC9B

2068DD

AGND

7

7

C63

104P

C28

22P

R16

R17 22K

AGND

CN4
CN2*3

C40
104P

C27
22P

R14

R15 22K

1
2
3
4
5
6

C39

104P

C46

47/25V

R3

100R

4
5
6

7

8

9

10

S8

BAL(M)

OUT4

D3

10V 1W

D2

6.8V 1W

HYB102004

IN+
IN­OUT

IN+

IN-

OUT

IN

IC5A

1
3
2
4

CN3
2P2.5

OUT+

SENS1

SENS2

OUT-

AGND

11 14

T

IC11A

MAX202E

1

+12V

R2

100R

4
5
6

7

8

9

10

S7

BAL(M)

OUT5

3
2
4

1
3
2
4

AGND

IC4A

HYB102004

IN+
IN­OUT

IN+

IN-

OUT

IN

L1

R30

J5MM

10R

L2

R31

J5MM

10R

D4

10V 1W

D1

6.8V 1W

CN2
2P2.5

1
2

C2

LGND

11

12

13

15

C67

47/25V

R46

330R

C47
47/25V

L10

FL5R

L11

FL5R

104P

1
2

R47

10K

R49

10K

R48

330R

C1

AGND

CN5
6P2.5

1
2
3
4
5
6

C26

22P

R12

R13 22K

C44

47/25V

+5V

1
3
2
4

AGND

BAL(FM)

C10

104P

C24

104P

R9

JP10MM

OUT+

SENS1

SENS2

OUT-

R43

10K

R45

10K

MAX202E

S5

IC11C

BAL(M)

C66

47/25V

330R

R42

11

12

13

15

R

S4

FL5R

FL5R

6.2V 1W

6.2V 1W

C45
47/25V

L9

L8

1312

D16

D14

C9
10U

C8

1000/25V

FL5R

330R

L4

R44

IC2

7805

IC1
7905

L3

FL5R

AGND

L5

FL5R

C25

22P

R10

R11 22K

LGND

D15

6.2V 1W

D13

6.2V 1W

C42

47/25V

BAL(M)

C38

104P

C6

104P

R1

100R

4
5
6

7

8

9

10

S6

OUT6

CN-RS232

C71
104P

1
3
2
4

+12V

-12V

IC3A

HYB102004

IN+
IN­OUT

IN+

IN-

OUT

IN

1
3
2
4

CN8

1
2
3
4
5

C37

C5

2200/25V

OUT+

SENS1

SENS2

OUT-

R39
10K

R41
10K

AGND

6
7
8
9

D

S3

BAL(FM)

CN1

LGND

11

12

13

15

C65
47/25V

R38

330R

C43
47/25V

L7

FL5R

L6

FL5R

1
2
3
4
5
6

6P3.9

R40

330R

C

B

C23

C31

C53

1000/25V

C32

1000/25V

IC9C

2068DD

+12V

A

-12V

1 2 3 4 5 6 7 8

C36

84

104P

C61

IC10C

104P

2068DD

C58

84

104P

C62

104P

HYB102004

2

IC5B

C16

104P

1

3

C15

104P

2

HYB102004

IC4B

C14

104P

1

3

C13
104P

2

HYB102004

IC3B

C12

104P

1

3

C11

104P

2

HYB102004

IC6B

C18

104P

1

3

C17
104P

2

HYB102004

IC7B

C20

104P

1

3

C19

104P

2

HYB102004

IC8B

C22

104P

1

P2

P1

3

C21

104P

AGND

S2

Title

A3

Date: 20-Oct-2002 Sheet of
File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddb Drawn By:

DX26 IN/OUT BOARD

Number RevisionSize

PCB# F313067

SHUNZA

A

MAXIFP2 Top Scilkscreen

MAXIFP2 Top Layer

MAXIFP2 Top Solder Mask

MAXIFP2 Bottom Layer

MAXIFP2 Bottom Solder Mask

MAXIFP2 Drill Drawing

Tool Hole Size Hole Count Plated

---------------------------------------------------------------------------

T1 20mil (0.508mm) 184

T2 31mil (0.7874mm) 130

T3 35mil (0.889mm) 14

T4 39mil (0.9906mm) 59

T5 59mil (1.4986mm) 1

T6 87mil (2.2098mm) 1

T7 98mil (2.4892mm) 4

T8 126mil (3.2004mm) 6

T9 280mil (7.112mm) 1

---------------------------------------------------------------------------

Totals 400

PCB:F313072
PCB:F313067

PCB:MAXIFP2

PCB:F313085