Alto DIGAN2.7 User manual

www.altoproaudio.com

Version 1.0

MODEL:DIGAN2.7

CONTENT

1. Introduction…………………………………………………………………….1

2. Specification…………………………………………………………………...2

3. Block Diagram…………………………………………………………………3

4. Schematic Diagram…………………………………………………………...4

5. Wiring Diagram………………………………………………………………...9

6. PCB Layout……………………………………………………………………10

7. Test Procedure………………………………………………………………..17

8. Exploded View & Mechanical Parts List………………………………….20

9. BOM……………………………………………………………………………..22

1. Introduction

1. Digital control and DSP technology with graphic display 7 bands Graphic or

Parametric equalization.

2. Dynamic range processing with Ratio, Threshold, Attack and Release time

control.

3. Tone adjustment with Bass and Treble control.

4. 100 presets: 30 factory presets and 70 user-programmable presets.

5. 32x24 bit DSP processing with 48KHz sampling rate.

6. Stereo channels processing with or without link control.

7. +/- 12 dB boost/cut for every bands adjustment.

8. Master volume control.

9. EQ Bypass function support.

10. USB control interface for easy operating with PC editor.

11. 2 unbalanced 1/4” TRS jacks.

Bandwidth 20Hz-20kHz

THD+N% 0.015%, Analog In to Analog Out

Signal to noise ratio 90dB A-Weighted, Analog In to Analog Out

Input gain +/-12dB

Output gain +/-6dB

System Parametric

Preset Factory preset: 30, User preset: 70

Inputs Two 1/4" TRS connectors

Input impedance Balanced 50Kohm, Unbalanced 25Kohm

Input section

Input level Maximum Input Level: +16dBu

Outputs Two 1/4"TRS connectors

Output impedance Balanced 120ohm, Unbalanced 60ohm

Output section

Output level Maximum Output Level: +16dBu

USB serial port USB1.1

Input voltage 9 Volt AC Power TransformerPower supply

(AC/AC adapter) Power consumption 6W

Dimension(W×D×H) 261×150×44mmPhysical

Net weight 2.67Ibs(1.21kg)

2. Technical Specification

Band 2×7 bands, 4/3octave

Hardware:

(1)Front panel : LED , UP/DOWN , LINK/EXIT,BYPASS

(2)DSP board : TAS3004+MCU(motorola)+EEPROM

Wiring Block Digram :

DSP F r o n t P a n e l

DIGAN 2.7 Surface Digram:

(The LED panel can display the Gain value of each BAND and the setting)

TAS3004

MCU

EEPROM

LED

KEY

2/6

3. Block Digram

1 2 3 4 5 6 7 8

87654321

R39

47R

R40

47R

Q18

R41

47R

R42

47R

R43

47R

R44

47R

R45

47R

R46

47R

R47

47R

R48

47R

R49

47R

R50

47R

R51

47R

4K7

R10

4K7

R11

4K7

R12

4K7

R13

4K7

R14

4K7

R15

4K7

R16

4K7

R17

4K7

R18

4K7

R19

4K7

R20

4K7

R21

4K7

CA0

CA1

CA2

CA3

CA4

CA5

CA6

CA7

CA8

CA9

CA10

CA11

CA12

CA13

CA14

CA15

L53 YEL

L55 YEL

L57 YEL

L59 YEL

L61 YEL

L63 YEL

L65 GR

L67 YEL

RA9

L69 YEL

L71 YEL

L73 YEL

L75 YEL

L77 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA10

RA11

RA12

L54 YEL

L56 YEL

L58 YEL

L60 YEL

L62 YEL

L64 YEL

L66 GR

L68 YEL

L70 YEL

L72 YEL

L74 YEL

L76 YEL

L78 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L79 YEL

L81 YEL

L83 YEL

L85 YEL

L87 YEL

L89 YEL

L91 GR

L93 YEL

L95 YEL

L97 YEL

L99 YEL

L101 YEL

L103 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L80 YEL

L82 YEL

L84 YEL

L86 YEL

L88 YEL

L90 YEL

L92 GR

L94 YEL

L96 YEL

L98 YEL

L100 YEL

L102 YEL

L104 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L105 YEL

L106 YEL

L107 YEL

L108 YEL

L109 YEL

L110 YEL

L111 GR

L112 YEL

L113 YEL

L114 YEL

L115 YEL

L116 YEL

L117 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L118 YEL

L120 YEL

L122 YEL

L124 YEL

L126 YEL

L128 YEL

L130 GR

L132 YEL

L134 YEL

L136 YEL

L138 YEL

L140 YEL

L142 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L119 YEL

L121 YEL

L123 YEL

L125 YEL

L127 YEL

L129 YEL

L131 GR

L133 YEL

L135 YEL

L137 YEL

L139 YEL

L141 YEL

L143 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L144 YEL

L146 YEL

L148 YEL

L150 YEL

L152 YEL

L154 YEL

L156 GR

L158 YEL

L160 YEL

L162 YEL

L164 YEL

L166 YEL

L168 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L145 YEL

L147 YEL

L149 YEL

L151 YEL

L153 YEL

L155 YEL

L157 GR

L159 YEL

L161 YEL

L163 YEL

L165 YEL

L167 YEL

L169 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L170 YEL

L171 YEL

L172 YEL

L173 YEL

L174 YEL

Q16

R29

4K7

L175 YEL

L176 GR

L177 YEL

VDD

L178 YEL

L179 YEL

L180 YEL

L181 YEL

L182 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

Q15

R28

4K7

VDD

Q14

R27

4K7

VDD

Q13

R26

4K7

VDD

Q12

R25

4K7

VDD

R22

4K7

VDD

4K7

VDD

4K7

VDD

4K7

VDD

4K7

VDD

R24

120R

R23

120R

Q19

Q20

Q21

Q22

Q23

Q24

Q25

Q26

Q27

Q28

Q29

Q30

D19 IN4148

SW-PB

D1 IN4148

SW-PB

D2 IN4148

SW-PB

D3 IN4148

SW-PB

D4 IN4148

SW-PB

D5 IN4148

SW-PB

D6 IN4148

SW-PB

D7 IN4148

SW-PB

D8 IN4148

SW-PB

D9 IN4148

S10

SW-PB

D10 IN4148

S11

SW-PB

D11 IN4148

S12

SW-PB

D12 IN4148

S13

SW-PB

D13 IN4148

S14

SW-PB

L183 YEL

L184 YEL

L185 YEL

L186 YEL

L187 YEL

L188 YEL

RA0

RA1

RA2

RA0

RA1

RA2

D17 IN4148

S18

SW-PB

D18 IN4148

S19

SW-PB

D15 IN4148

S16

SW-PB

D16 IN4148

S17

SW-PB

D14 IN4148

S15

SW-PB CA0

CA1

CA2

CA3

CA4

CA5

CA6

CA7

CA8

CA9

CA10

CA11

CA12

CA13

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

DIGAN27-DISP_VER050117.sch

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RevisionModel No:

7-Jun-2005

Louis Chiang

DIGAN27-DISP

11 of

VER050605

B Q10

Q11

DOWN

STORE

BYPASS

LINK/EXIT

VDD

R_SIGNAL

LINK

L_CLIP

L_SIGNAL

BYPASS

2412

U3B

74HC574

100N

2010

U2B

74HC574

100N

2010

U1B

74HC574

VDD

GND

100N

VDD

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

17 18

19 20

21 22

23 24

25 26

27 28

CN1

HEADER 14X2

VDD

GND GND

L1 YEL

L2 YEL

L3 YEL

L4 YEL

L5 YEL

L6 YEL

L7 GR

L8 YEL

L9 YEL

L10 YEL

L11 YEL

L12 YEL

L13 YEL

RA0

RA1

RA2

Q8 12

Q7 13

Q6 14

Q5 15

Q4 16

Q3 17

Q2 18

Q1 19

2D2

3D3

4D4

5D5

6D6

7D7

8D8

CLK

11 OC

U2A

74HC574

RA3

Q8 12

Q7 13

Q6 14

Q5 15

Q4 16

Q3 17

Q2 18

Q1 19

2D2

3D3

4D4

5D5

6D6

7D7

8D8

CLK

11 OC

U1A

74HC574

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L14 YEL

L15 YEL

L16 YEL

L17 YEL

L18 YEL

PB0

L19 YEL

PB1

L20 GR

PB2

PB3

PB4

PB5

PB4

PB5

L21 YEL

L22 YEL

L23 YEL

GND

L24 YEL

L25 YEL

R31 10K

R32 10K

L26 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L27 YEL

L29 YEL

L31 YEL

L33 YEL

L35 YEL

STB_0

STB_1

L37 YEL

STB_2

L39 GR

STB_3

STB_4

STB_5

STB_6

STB_7

STB_8

STB_9

L41 YEL

STB_10

STB_11

STB_12

L43 YEL

L45 YEL

L47 YEL

L49 YEL

L51 YEL

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

L28 YEL

L30 YEL

L32 YEL

L34 YEL

L36 YEL

4K7

L38 YEL

L40 GR

L42 YEL

VDD

L44 YEL

L46 YEL

STB_0

STB_1

STB_2

STB_3

L48 YEL

STB_4

L50 YEL

STB_5

STB_6

STB_7

STB_8

STB_9

L52 YEL

STB_10

STB_11

STB_12

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

CA14

CA15

4K7

VDD

4K7

VDD

4K7

VDD

CA13 CA12 CA11 CA10 CA9 CA8 CA7 CA6 CA5 CA4 CA3 CA2 CA1 CA0

RA0

RA1

RA2

RA3

RA4

RA5

RA6

RA7

RA8

RA9

RA10

RA11

RA12

CA0

CA1

CA2

CA3

CA4

23 B

22 C

21 D

18 G2

910

10 11

11 13

12 14

13 15

14 16

15 17

U3A

74HC154

PB0

PB1

PB2

PB3

D20 IN4148

S20

SW-PB CA5

POWER

CN2

5P2.5

CN3

5P2.5

4. Schematic Diagram

1 2 3 4 5 6 7 8

87654321

+5VD +3.3V

LM1117-3.3

10uF

C45

47uF

IN OUT

GND

DIGAN214-CPU_VER050511(DIGAN2.7).SCH

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RevisionModel No:

5-Jun-2005

Louis Chiang

DIGAN214-CPU

11 of

VER050117

GND

GNDGND

GND

GNDGNDGND

GND

C43 100N

R15 10K

R16

100R

C41

100N

PA0

C40

100N

PA1

C42

100N

PA2

PTA0 32

PTA1 33

PTA2 34

PTA3 35

PTA4 36

PTA5 37

PTA6 38

PTA7 39

PTB0/A 22

PTB1/A 23

PTB2/A 24

PTB3/A 25

PTB4/A 26

PTB5/A 27

PTB6/A 28

PTB7/A 29

PTC0 2

PTC1 3

PTC2 4

PTC3 5

PTC4 6

PTC5 7

PTC6 8

PTD0

PTD1

PTD2

PTD3

PTD4

PTD5

PTD6

PTD7

PTE0/T

PTE1/R

IRQ

RST

OSC1

OSC2

CGMXFC

VREFH

VREFL

VSS

VSSA

VDD 17

VDDA 40

HC908GP32

PA3

C44

0.47uF

PA4

PA5

PA6

PA7

C39

100N

C28

2u2F

R17

10K

GND

4SDA 5

SCL 6

NC 7

VCC 8

AT24C64

PD7

PD6

PD5

PD4

RESET

PA0

PA1

PA2

PA3

PA4

PA5

PA6

PA7

PD0PD1

PD2PD3

PD4PD5

PD6PD7

LGND LGND

PB6

PB5

PB0

PB1

PB2

PB3

PB4

PB7

PD0

PD1

PD2

PD3

12.288MHz

C33

22P

GND GND

C38

22P

TXD

DTR_N

RTS_N

VDD_232

RXD

RI_N

GND

VDD

DSR_N

DCD_N

CTS_N

SHTD_N

EE_CLK

EE_DATA

14 DP 15

DM 16

VDD_3V3 17

GND_3V3 18

RESET 19

VDD 20

GND 21

TRI_MODE 22

LD_MODE 23

VDD_PLL 24

GND_PLL 25

PLL_TEST 26

OSC1 27

OSC2 28

U5 PL2303

GND

+3.3V

C47

100N

GND

C46

100N GND

R31 22R

R30 22R

R29

1K5

GND

+3.3V

C49

33P

C50

33P

C48

100N

GND

CLK

CN5

HEADER 7

910

1112

1314

1516

1718

1920

2122

2324

2526

2728

CN4

HEADER14X2

LINA

VRFILT

AVSS

INPA

RESET

CS1

PWR_DN

TEST

CAP_PLL

CLKSEL

MCLKO

XTALI

XTALO

SCL

SDA

DVDD

DVSS

LRCLK/O

SCLK/O

IFM/S

SDIN1

SDIN2

SDOUT2

SDOUT0 25

SDOUT1 26

ALLPASS 27

GPIO0 28

GPIO1 29

GPIO2 30

GPIO3 31

GPIO4 32

GPIO5 33

NC 34

AVDD 35

NC 36

AOUTR 37

VCOM 38

AOUTL 39

RINA 40

RINB 41

AINRP 42

AINRM 43

VREFP 44

VREFM 45

AINLM 46

AINLP 47

LINB 48

TAS3004

R6 4K7

+3.3V

GND

AGND

AVDD

R26

4R7

AVDD

BEAD*

AGND

C30 10uF

C29 10uF

AGND

C31 10uF

C32 10uF

R1 100R

R2 100R

R10

10K

AGND

CN1

CON11

SCL

SDA

RESET

CLK

C23

2u2F

C13

100N

GND

C27

2u2F

C19

100N

AGND

2u2F

C12

100N

AGND

C26

2u2F

C18

100N

AGND

C37

1000P

AGND

R14 27K*

C36

1000P

R13 27K*

C15

100N

AGND

C11

100N

CLK

SCL

PL_SCL

SDA

PL_SDA

1500P

C21

0.47uF

33R

GND

R3 1K

+3.3V

SCL

SDA

R21

4K7

R20

4K7

R19

4K7

R18

4K7

R22

4K7

R23

4K7

CN2

+5VD

GND

R24

4K7

R25

4K7

2u2F

YEL

LINA

VRFILT

AVSS

INPA

RESET

CS1

PWR_DN

TEST

CAP_PLL

CLKSEL

MCLKO

XTALI

XTALO

SCL

SDA

DVDD

DVSS

LRCLK/O

SCLK/O

IFM/S

SDIN1

SDIN2

SDOUT2

SDOUT0 25

SDOUT1 26

ALLPASS 27

GPIO0 28

GPIO1 29

GPIO2 30

GPIO3 31

GPIO4 32

GPIO5 33

NC 34

AVDD 35

NC 36

AOUTR 37

VCOM 38

AOUTL 39

RINA 40

RINB 41

AINRP 42

AINRM 43

VREFP 44

VREFM 45

AINLM 46

AINLP 47

LINB 48

+3.3V

GND

AGND

AVDD

SCL

SDA

RESET

CLK

C22 C10

GND

C25 C17

AGND

C1 C9

AGND

C24 C16

AGND

C35

AGND

R12

C34

R11

C14

AGND

C6 C20

GND

U2_SDOUT0

U1_SDOUT1

GND

U2_SCLK

U2_LRCLK

4K7

U2_LRCLK

U2_SCLK

GND

R34 10K

+3.3V

R33 10K

R32 10K

+3.3V

PL_SCL

PL_SDA

R27

0R*

R28

0R*

LGND

+5VL

+5VL+5VL

PD7

+5VD

+5VD +5VD

+5VD

R35 4K7

R36 4K7

R37 4K7

+3.3V

R38

56R

C51

56P

GND

DIGAN2.7 No used in this area.

Totle 20 components

1 234567 8

7654321

LJB0661-6

IC5A

4580M

5K11

10P

47P

13K3

AGND

R15

51K1

R14

10K0

10P R19

10K0 R20

5K76

10P

AGND

R28

2K67

R27

6K04

R25

4K53

R24

3K24

R26

60R4

AGND

R22

4K53

R23

3K16

R21

60R4

R18

10K0

R17

3K16

C11

470P

C10

470P

LJB0661-6

IC5B

4580M

R44

5K11

R42

5K11

C17

10P

C18

10P

C15

47P

C16

47P

R38

13K3

R39

13K3

R40

13K3

R41

13K3

AGND

C20

10P

R53

51K1

R55

3K16

R57

10K0 R58

5K76

R60

4K53

R61

3K16

R59

60R4

C22

10P

AGND

R66

2K67

R65

6K04

R63

4K53

R62

3K24

R64

60R4

AGND

R56

10K0

R52

10K0

LJB0661-6

C25

470P

C24

470P

1N4148

+5V-L

IC5C

4580M

-VCC

+VCC

C39

100N

C40

100N

C41

100N

C42

100N

AGNDAGND

OUTPUT CH1

INPUT CH1

INPUT CH2

CGNDCGNDCGND

CGNDCGND CGND

CGND

CGND CGND

CGND

OUTPUT CH2

RL1

RY-5W-K

RL2

RY-5W-K

R68

47R(1206)

R30

47R(1206)

IC7B

MC33079

IC7C

MC33079

IC7D

MC33079

411

IC7E

MC33079

IC8B

MC33079

IC8C

MC33079

IC8D

MC33079

411

IC8E

MC33079

DIGAN2.7-IO.SCH

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RevisionModel No:

27-May-2005

SHUNG LIN.

DIGAN2.70 IN-OUT SECTION

21 of

DIGAN2.70 VER050306

C23

10P

CGND AGND

AGNDCGND

CN1

CON6

IN_L

IN_R

OUT_R

AGND

OUT_L

IN_L

IN_R

OUT_R

OUT_L

DIGAN2.7-PWRDIGAN2.7-PWR.Sch

TR3

3904

TR4

3904

AGND

4K7

R10

4K7

RELAY-CTRL

IC7A

MC33079

AGND

IC8A

MC33079

AGND

BLM21A102P

L15

BLM21A102

L14 0R0

L13 0R0

L12 0R0

L11 0R0

BLM21A102

L18

BLM21A102

L19

BLM21A102

1234

321

CN2

CN-DJ005A

C21

2200uF/16V

C5 100N

C7 100N

C12

100N

C19

2200uF/16V C27

2200uF/16V

C29

330uF/16V

C28

330uF/16V

TR1

7805

C26

2200uF/16V

C13

100N

TR2

7805

C14

100N

CN3

CON4

10R

1N4002

D6 1N4002

D5 1N4002

D2 1N4002

D4 1N4002

DIGAN2.7-PWR.Sch

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RevisionModelNo:

27-May-2005

SHUNG LIN

DIGAN2.70 POWERSUPPLY

22 of

DIGAD2.70 VER050306

GND1

+5V-L

+5V

+VCC

-VCC

+5V-L+5V

10R

USB+

USB-

CN4

7P-2.5

BLM21A102

RELAY-CTRL

USB-4FR004-B

BLM21A102

CN-RCA2-1

TO DSP BOARD

C43

1000uF/10V

6 1

PLT09H-2003R

TP1

TOCHASSISGND

*AC9V INPUT(500mA)

C30

100N

CGND

AGND

1 2

JP1

0R0

1 2

JP2

0R0

GND1

TP2

TOCHASSISGND

L10

BLM21A102

C31

10P

C32

10P

C33

10P

R11 100R

R12

100R

L16

0R0

L17

0R0

R16 0R0

R13 *0R0

1 2 3 4

321

A1 10

A2 5

IC1

2*7SEGMENT

CN5

5P2.5

CN4

5P2.5

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