1 2 3 4 5 6

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654321

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Title

Number RevisionSize

B

Date: 15-Sep-2006 Sheet of File: C:\Projects\EC-7880\EC-7880.ddb Drawn By:

1.8V

VCC

VCC

VCC

VCC

C4622pF/50

R42

470K

C47

0.047uF/50

R431M

C48

22pF/50

R45

470K

C49

0.047uF/50

R461M

R4710K

C50

1uFC/10

R48

330R

R49

330R

A11

K1A2 3

K22

DD2

DDIODE

A11

K1A2 3

K22

DD3

DDIODE

R5018K

5

67

84

U18B

TLC2272

3

21

U18A

TLC2272

C5610uFC/6.3

J3

Right/Guitar In

J4

Left/Mic In

R_BUF_M

L_BUF_M

VCC

R51

330R

R67

4K7

R68

4K7 C57

1000pF/10

C584u7C/10

C59

4u7C/10

R6910KR70

4K7C604u7C/25

R71

6K8

R72470K

R73

330R

R74

4K7

R75

4K7 C61

1000pF/10

C624u7C/10

C63

4u7C/10

R7610K

R7710K

R78470K

R7910K

+

C66

100u/10/Elect.

+

C67

100u/10/Elect.

R80

6K8C684u7C/25

R81

4K7

R82

18K

R8318K

C691uFC/10

C710.01uF/50

C720.01uF/50

5

67

84

U20B

TLC2272

3

21

U20A

TLC2272

C74

1200pF/10

C75

1200pF/10

J5Right Out

J8Left Out

J6Headphone Out

RIGHT_OUT

LEFT_OUT

4 Track Looping Recorder - Main Board: Audio I/O

EC-7880 C

1 3

TO OUTPUTDRUM MIX

J7

Aux In

FB1

FB2

FB3

FB4

FB5

FB6

1 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 24

CN1B

HEADER 12X2

L_BUF_M

R_BUF_M

L_IN_M

R_IN_M

R_OUT_M

L_OUT_M

R_HP_M

L_HP_M

L_HP_M

R_HP_M

L_OUT_M

R_OUT_M

VCC

VCC

VCC

EC-7880rC_DSPEC-7880rC_DSP.SCH

EC-7880rC_SWLEDEC-7880rC_SWLED.Sch

New Sensor Corp.32-33 47th AveLong Island City, NY 11101

Copyright 2005

1 2 3 4 5 6 7 8

A

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87654321

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Title

Number RevisionSize

Orcad D

Date: 15-Sep-2006 Sheet of File: C:\Projects\EC-7880\EC-7880.ddb Drawn By:

1.25V3.3V

AUDIO CODEC

<

<<<

<

<

<

<

<<<<<

<<<

<

CHASSIS

USB CONNECTOR(SQUARE 'B' TYPE)

NOTE: USB TERMINATION COMPONENTS

USB SLAVE PORT

CF CARD CONNECTOR

128Mb SDRAM

(22R, 22pF) PLACED NEAR USBN9603

BOOT ROM 256Kb, SPI

U4 (LM1117-3.3) NEEDS TOP SIDE COPPER AREA OF 0.5 SQinU6 (LM1117-1.25) NEEDS TOP SIDE COPPER AREA OF 0.1 SQin

300mA MAX 170mA MAX

THROUGH HOLES(CLOSE TO IC PINS)

<

<

H4 AND H5 TO BE BROUGHT TOLARGE THROUGH HOLE FORSCOPE TEST POINT

D0D1D2D3D4D5D6D7D8D9D10D11D12D13D14D15

NABE0NABE1

A1A2A3A4A5A6A7A8A9A10

A12A13

A18A19

SPCK

MOSIMISO

NPSCS

NAWENARE

NAMS1

SPCKMOSI

MISO

NLPCS

FSINFSOUT

MCLK

MCLK

MDRX

MDTX

NRESET

LRCKBTCKDACDAT

ADCDAT

NRESET

DACDAT

ADCDAT

LRCKBTCK

MDRXMDTX

NRESET

NPCCS

NBROMCS

NBROMCS

LRCK

USB1M

USB1P

USB1MUSB1P

D7

D0D1D2D3D4D5D6

A1

NAMS3

NAMS3

NAWENARE

UIRQ

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

A1

A2

A3

A4

NAWE

NARE

CIRQ

NCE1NCE2

NAMS1NABE0

NABE1

NCD

CRST

SPCKMOSIMISONBROMCSNPCCSNRESETMDTXMDRX

A13

D0

D1D2

D3D4

D5D6

D7D8

D9D10

D11D12

D13D14

D15

A1A2A3A4 A5

A6A7A8A9A10A12

NABE0NABE1

NSCASNSRAS

NSMSSCKECLKOUT

NSWE

A19A18

SA10

UIRQ

NCD

PMUX

CIRQ

CRST

USBGO

USBGO

NSMS

NSCASNSRAS

SA10NSWE

SCKE

H1

H5

H6

H7

H9

H10

H11

H13

H14

H15

H16

H17

H18

H19

H20

H21

H22

H1

H5

H6H7

H9H10H11

H13

H14

H15

H16H17H18H19

H20

H21

H22

NURST

NURST

L17

L16

PF9PF8PF7

H12

H12

VC3

VC3

VC3

VC3

VCC

VC3VC3

VC3

VC3 VC3

VC3_CF

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VCC

VC3

VINT

VC3VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VC3

VINL1

VINR2

VREF13

VREF24

VCC5

AGND6

FMT07

FMT18

TEST9

LRCK10

BCK11

DIN12 DOUT 13

DGND 14VDD 15

SCK1 16PDWN 17

DEMP1 18DEMP0 19AGND 20VCC 21

VOUTR 22VOUTL 23VCOM 24U2 PCM3010

C222pF/10

C41uFC/10

C51uFC/10

C610uFC/10

C710uFC/10

C810uFC/10

C910uFC/10

C1010uFC/10

C1110uFC/10

C1222pF/10

R173K3

R18

3K3

+ C25100u/10/Elect.

C271uFC/10

C281uFC/10

C29

1uFC/10

C301uFC/10

C3147nF/25

VD

DEX

T6

VD

DEX

T12

VD

DEX

T20

VD

DEX

T31

VD

DEX

T45

VD

DEX

T57

VD

DEX

T71

VD

DEX

T93

VD

DEX

T10

7

VD

DEX

T11

8

VD

DEX

T13

4

VD

DEX

T14

5

VD

DEX

T15

6

VD

DEX

T17

1

VD

DR

TC18

VD

DIN

T25

VD

DIN

T52

VD

DIN

T66

VD

DIN

T80

VD

DIN

T11

1

VD

DIN

T14

3

VD

DIN

T15

7

VD

DIN

T16

8

VROUT04

VROUT15

CLKIN10

XTAL11

RESET13

NMI14

RTXO16

RTXI17

PPI_CLK21

PPI022

PPI123

PPI224

PPI326

PF1527

PF1428

PF1329

PF1232

PF1133

PF1034

PF935

PF836

PF7/SPISEL737

PF6/SPISEL638

PF5/SPISEL546

PF4/SPISEL447

PF3/SPISEL348

PF2/SPISEL249

PF1/SPISEL1/TMK50

PF0/SPISS51

SCK53

MISO54

MOSI55

DT1SEC58

DT1PRI59

TFS160

TSCLK161

DR1SEC62

DR1PRI63

RFS164

RSCLK165

DT0SEC67

DT0PRI68

TFS069

TSCLK072

DR0SEC73

DR0PRI74

RFS075

RSCLK076

TMR277

TMR178

TMR079

TX81

RX82

EMU83

TRST84

TMS 85TDI 86TDO 87TCK 94

BMODE1 95BMODE0 96

DATA15 98DATA14 99DATA13 100DATA12 101DATA11 102DATA10 103DATA9 104DATA8 105DATA7 108DATA6 109DATA5 110DATA4 112DATA3 113DATA2 114DATA1 115DATA0 116

BG 119BGH 120

ADDR19 121ADDR18 122ADDR17 123ADDR16 124ADDR15 125ADDR14 126ADDR13 127ADDR12 135ADDR11 136ADDR10 137ADDR9 138ADDR8 139ADDR7 140ADDR6 141ADDR5 142ADDR4 146ADDR3 147ADDR2 148ADDR1 149

ABE1 150ABE0 151AWE 152ARE 153AOE 154AMS3 158AMS2 159AMS1 160AMS0 161

ARDY 162BR 163

SA10 164SWE 165SCAS 166SRAS 167CLKOUT 169SMS 172SCKE 173

GN

D1

GN

D2

GN

D3

GN

D7

GN

D8

GN

D9

GN

D15

GN

D19

GN

D30

GN

D39

GN

D40

GN

D41

GN

D42

GN

D43

GN

D44

GN

D56

GN

D70

GN

D88

GN

D89

GN

D90

GN

D91

GN

D92

GN

D97

GN

D10

6

GN

D11

7

GN

D12

8

GN

D12

9

GN

D13

0

GN

D13

1

GN

D13

2

GN

D13

3

GN

D14

4

GN

D15

5

GN

D17

0

GN

D17

4

GN

D17

5

GN

D17

6

U12

BF531SBST

CS1

RD2

WR/SK3

INTR4

DRQ5

DACK6

A07

D08

D19

D210

D311

D412

D513

D614 D7 15RESET 16

AGND 17V33 18D+ 19D- 20

GND 21VCC 22GND 23MODE1 24MODE0 25XIN 26XOUT 27CLKOUT 28U13

USBN9603-28M

1 FG1FG

C3422pF/25

C3522pF/25

C36

47nF/25

R24

22RR25

22R

C3722pF/25

C38

22pF/25

R261M

Y224MHz

GND1

D032

D043

D054

D065

D076

CE17

A108

OE9

A0910

A0811

A0712

VCC13

A0614

A0515

A0416

A0317

A0218

A0119

A0020

D0021

D0122

D0223

IOCS1624

CD225

CD126

D1127

D1228

D1329

D1430

D1531

CE232

VS133

IORD34

IOWR35

WE36

IREQ37

VCC38

CSEL39

VS240

RESET41

WAIT42

INPACK43

REG44

SPKR45

STSCHG46

D0847

D0948

D1049

GND50

CN3

COMPACTFLASH

R273K3

R283K3

VCC1

DQ02

VCC3

DQ14

DQ25

GND6

DQ37

DQ48

VCC9

DQ510

DQ611

GND12

DQ713

VCC14

DQML15

WE16

CAS17

RAS18

CS19

BA020

BA121

A1022

A023

A124

A225

A326

VCC27 VSS 28A4 29A5 30A6 31A7 32A8 33A9 34A11 35NC/A 36CKE 37CLK 38DQMU 39NC 40GND 41DQ8 42

VCC 43DQ9 44DQ10 45

GND 46DQ11 47DQ12 48

VCC 49DQ13 50DQ14 51

GND 52DQ15 53

GND 54U15

K4S281632B-TCL1H

C4247nF/10

C4347nF/10

R38

1K5

R39

22R

C441uFC/10

C4547nF/10

1A1

1B2

1Y3

2A4

2B5

2Y6

GND7 3Y 83B 93A 104Y 114B 124A 13VCC 14U16

74AHC32

123456789

10

CN4

Download/Debug Port

CS1

OUT2

WP3

GND4 IN 5CK 6HLD 7VCC 8U19

25C256

R523K3

1

H1

R5310K

R5410K

R5510K

R5610K

R5710K

R5810K

R5910K

R6010K

R6110K

R6210K

R64

3K3

R653K3

R663K3

1

H4

1

H5

1

H6

1

H7

1

H9

1

H10

1

H11

1

H13

1

H14

1

H15

1

H16

1

H17

1

H18

1

H19

1

H20

1

H21

1

H22

1

H12

R40

3K3

R933K3

Y116.9344MHz

Vin3

GN

D1

Vout 2

Vout 2a

U4LM1117MP-3.3CT

Vin3

GN

D1

Vout 2

Vout 2a

U6LM1117MP-ADJVCC VC3 VC3 VINT

+ C55100u/10/Elect.

L16L17

PMUX

SPCKMISOMOSI

NPSCS

NLPCS

1 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 24

CN2B

HEADER 12X2

VC3VCC

PF8PF9

PF7

RIGHT_OUTLEFT_OUT

L16

L17

PMUX

SPCKMISOMOSI

NPSCSNLPCS

PF8PF9

PF7

VC3 VC3

VC3 VC3

4 Track Recorder - Main Board: DSP, Data and Power

EC-7880 C

2 3

Connect Audio GND to DSP GNDPlane at U2, the codec.

VBUS1

DNEG2

DPOS3

GND4

SHLDS1 S2

J9

USB-B

VDD3

VSS2 OUT 1

U9

MN13821K

VC3

3.3V

300mA MAX

+ C7710uFC/10

Vin3

GN

D1

Vout 2

Vout 2a

U21LM1117MP-3.3CTVCC VC3_CF

+ C7610uFC/10

FOOTSWITCH IO

FSIN

FSOUT

MDRX

MDTX

VC3

VC3

VC3

VCC

VCC

VCC

R9

3K3

R1068R

IN+1

IN-2

VCC 6

OUT 4

GND 5

U8

PC900

C347nF/10

R11

220R

R12

220R

R13

220R

R14

3K3

R15

3K3

Q1

MMBT3904

Q2

MMBT3904

Q3MMBT3904

R16

10K

Q4MMBT3906

Q5MMBT3906

R233K3

A1 1K1A23 K2 2DD1

DDIODE

R63330

D19MMBZ4229BLT1

14

2

53

6 7

J10MIDI IN

14

2

53

6 7

J11MIDI OUT

J2

Footswitch

FB7

REVERSALPROTECTION

5V

COAXIALPOWER JACK

U5 (7805) NEEDS HEAT SINK FOR MAX DISSIPATION OF 2W

9V 350mA

VCC

+C1

10u/25/Elect.

C2610uFC/10

J1

9V/500mA

C540.1uF/50

Vin1

GN

D3

Vout 2

GN

D3a

U57805

R_IN_M

L_IN_M

FB8

FB9

C791000pF/50

H4

H4

D20

SS23

New Sensor Corp.32-33 47th AveLong Island City, NY 11101

Copyright 2005

1 2 3 4 5 6

A

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Title

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Date: 15-Sep-2006 Sheet of File: C:\Projects\EC-7880\EC-7880.ddb Drawn By:

LED DRIVERLED DRIVER

POT AND BUTTONADC

INPUT TRACK1 TRACK2 TRACK3 TRACK4 MIXDOWN TEMPO

CAPS CLOSE TO ADC OR MUX

INPUTPAN

TRACK1 TRACK2 TRACK3 TRACK4PAN PAN PAN PAN

CLIX LEVEL

GUITARCLIP

MICCLIP

ADDITIONAL POT MUX

REC PLAY

REVERSE

OCTAVE

PUNCHIN TRACK1 TRACK2 TRACK3 TRACK4

TEMPO CLIX LEFTMIXDOWN

TRACK SLECTMIXDOWN

CLIX RIGHT

REVERSEOCTAVE PUNCHIN EXT CLOCK

THESE BUTTONS MUST BE CONNECTED AS SHOWN

NEW REC PLAY

2.5V REFERENCE

EXT CLOCK

STEREO

STEREO

QUANTISE

QUANTISE

SPCK_C

MOSI_CMISO_C

NPSCS_C

PSREF

PSREF

P0P1P2P3P4P5P6

P0 P1 P2 P3 P4 P5 P6

L0 L1 L2 L3

L11

L0L1L2L3

L4

L5L6L7L8

L9L10L11

L12

L13

L14L15

P13

L16_C L17_C

PSREF

P0

P1

P2

P3

P4

P5

P6

P7

P8

L4 L5 L6 L7

L8

P9 P8 P7

L13

P10P11P12

P12P11

P10

P9P8P7

P9

P10

P11

P12

P13

L9 L10 L12 L14 L15

P13

P13

VC3_C

VCC_C

VC3_C

VC3_C

VC3_CVC3_C

VC3_C

VC3_C

VC3_C

VC3_C

VC3_CVC3_C

VC3_C VC3_C VC3_C

CH01

CH12

CH23

CH34

CH45

CH56

CH67

CH78

REF- 13

GN

D10

REF+ 14

CH1012

DO 16

CH911

CLK 18

ADDR 17

CS 15

EOC 19VC

C20

CH89

U1

TLV1543

D1LED

R1180R

D2LED

R2180R

D3LED

R3180R

D4LED

R4180R

D5LED

R5180R

D6LED

R6180R

CA1

AN 3

RF2

U7

LM431ACM3

S1

PUSHB

D7LED

R7150R

D8LED

R8150R

C1310uFC/10

S2

PUSHB

S3

PUSHB

R19180R

R20180R

R21

1K1%

R22

1K1%

C1447nF

C1547nF

C1647nF

C1747nF

C1847nF

C1947nF

C2047nF

C2147nF

C2247nF

C2347nF

C2447nF

SER14

SRCLK11

SRCLR10

RCLK12

G13

VCC16

GND8

QA 15

QB 1

QC 2

QD 3

QE 4

QF 5

QG 6

QH 7

QHS 9

U10

74LV595A

SER14

SRCLK11

SRCLR10

RCLK12

G13

VCC16

GND8

QA 15

QB 1

QC 2

QD 3

QE 4

QF 5

QG 6

QH 7

QHS 9

U11

74LV595A

C3247nF/25

C3347nF/25

D9LED

D10LED

Y11

Y02

Z13

Z4

Z05

INH6

VEE7

GND8 ZA 9YA 10XA 11

X0 12X1 13X 14

Y 15VCC 16U14 HCT4053

D11LED

R29180R

D12LED

R30180R

D13LED

R31180R

D14LED

R32180R

D15LED

R33180R

D16LED

R34180R

D17LED

R35180R

D18LED

R36180R

C3947nF

C4047nF

C4147nF

R3710K1%

VR1310KB-R

C5347nF/25

S4

PUSHB

S5

PUSHB

S6

PUSHB

R84

1K1%

R85

1K1%

R86

1K1%

S7

PUSHB

S8

PUSHB

R87

1K1%

R88

1K1%

S9

PUSHB

S10

PUSHB

S11

PUSHB

R893K3

R903K3

R913K3

C731uFC/10

R92100R

VR810KB-R

VR910KB-R

VR1010KB-R

VR1110KB-R

VR1210KB-R

VR110KB-L

VR210KB-L

VR310KB-L

VR410KB-L

VR510KB-L

VR610KB-L

VR710KB-L

L16_C L17_C

PMUX_C

SPCK_C

MISO_CMOSI_C

MOSI_C

SPCK_CSPCK_CNPSCS_C

NLPCS_CNLPCS_C

PF8_C PF9_CPF7_C

REASSIGNED TO SUITLAYOUT CONVENIENCE

THESE 16 LEDS MAY BE

TRACK SLECTMIXDOWNREVERSEOCTAVE

PUNCHINEXT CLOCK

STEREO

THESE 8 BUTTONS MAY BEREASSIGNED TO SUITLAYOUT CONVENIENCE

PUNCHIN

REVERSETRACK1TRACK2TRACK3TRACK4MIXDOWNTEMPORECPLAYSTEREOOCTAVECLIX LEFTCLIX RIGHT

EXT CLOCKQUANTISE

QUANTISE

4 Track Looping Recorder - Control Board: Switches, LEDs & Pots

EC-7880 C

3 3

1 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 24

CN2A

HEADER 12X2

VC3_CVCC_C

L16_CL17_C

PMUX_C

SPCK_CMISO_CMOSI_C

NPSCS_C

NLPCS_C

PF8_CPF9_C

PF7_C

CW

VR145K / Lin

R41

100R

+

C52

10u/25/Elect.

5

67

U22B

TLC2272

CW

VCC_C

VR155K / Lin

R44

100R

C78

1uFC/10

+

C51

10u/25/Elect.

3

21

84

U22A

TLC2272

R_BUF_C

L_BUF_C

R_IN_C

L_IN_C

VCC_C

3

21

84

U17A

LM4808

5

67

U17B

LM4808C64100uF/10

C70

1uFC/10

VR16A5k/Lin

VR16B5k/Lin

CW

CW

R_OUT_C

L_OUT_C

R_HP_C

L_HP_C

1 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 24

CN1A

HEADER 12X2

VCC_C

VCC_C

Analog Circuitry

Digital Circuitry

VCC_C

L_BUF_C

R_BUF_C

L_IN_C

R_IN_C

L_HP_C

R_HP_C

L_OUT_C

R_OUT_C

New Sensor Corp.32-33 47th AveLong Island City, NY 11101

Copyright 2005