Page 1
654321
A
AIN_1
K1A
D
J1
RELAY-DPDT
Effect
4
2
Main Input
Bypass
B
+12VA
R4
15k/1%
R5
C
15k/1%
OMIT Secondary Input Section From Production.
AIN_2
R14
0 ohm
Effect
C
J2
Secondary Input
B
EC-0070rA_codecs+PWR
EC-0070rA_codecs+PWR.Sch
DIG_AUD_OUT
A
DIG_AUD_IN
AUD_MCLK
AUD_SCLK
AUD_LRCK
AINL
AOUTL
AOUTR
/RST_CODEC
AINR
RELAY-DPDT
4
2
Bypass
1 2 3 4 5 6
3
4.7uF/16V
R1
2.2M
R122
0 ohm
5
6
K2A
3
R6
2.2M
EC-0070rA_DSP
EC-0070rA_DSP.Sch
/RST_DSP
AUD_MCLK
AUD_SCLK
AUD_LRCK
DIG_AUD_OUT
DIG_AUD_IN
SPI_DI
SPI_DO
/CS_DSP
/DSP_HREQ
SPI_CLK
MCLK
LED2
AA0/RAS0
AA1/RAS1
/CAS
/RD
/WR
LED3
LED4
DSPSW
+6V
C1
U21B
TLC2272
4.7uF/16V
C6
R9
150k
7
R2
22k
R121
22k
R124
omit
C2
10pF
+6V
+6V
+
C4
47uF/16v
R7
22k
+12VA
C45
Analog Input Level
84
0.1uF
3
2
1
U1A
TLC2272
R43
0 ohm
C41
omit
+6V
C5
0.1uF
+12VA
84
6
5
+6V
+ C8
47uF/16v
EC-0070rA_DSP_Memory
EC-0070rA_DSP_Memory.Sch
AA0/RAS0
/CAS
/RD
/WR
AA1/RAS1
/CAS
/RD
/WR
AA0/RAS0
AA1/RAS1
/RD
/WR
/RD
/WR
R8
27k
C18
0.1uF
R10
51
C7
10pF
U2B
NE5532
P1
10k/Anti-Log
C12
47uF/16v
7
R3
3.0k
+12VA
C3
TOP
+6V
84
0.1uF
2
3
U21A
NE5532
+
R123
0 ohm
TP15
AINR
AINR
EC-0070rA_uController
EC-0070rA_uController.Sch
SPI_CLK
SPI_DI
SPI_DO
/CS_DSP
/DSP_HREQ
MCLK
AUD_MCLK
/BYPASS_SYS
/RST_CODEC
/RST_DSP
Vpp
/BYPASS_RELAY
CV AUX
CV IN2
CV IN1
DSPSW
S1C
Footswitch
R13
6
5
15k / 1%
(14.3k/1%)
C11
220pF
U1B
NE5532
7
Fc = 60 kHz
Gain = 0dB
TP16
AOUTL
4.7uF/16V/X5R
C14
R15
150k
R16
220
Gain: {-8.9...+37 dB}
TP14
AINL
1
AINL
AOUTL
C9
4.7uF/16V
R11
15k / 1%
(7.15k/1%)
R12
1k / 1%
(1.1k/1%)
C10
2200pF
+6V
C13
+
47uF/16v
For +6dB amplification put in values in parantheses.
H
9
7
Bypass
Effect
Effect
Bypass
K1B
RELAY-DPDT
+3.3VD
R25
10k
F
/BYPASS_SYS
D
D
8
J3
Left/Main Output
C
Fc = 60 kHz
Gain = 0dB
TP17
AOUTR
C20
4.7uF/16V/X5R
/BYPASS_RELAY
DSPSW
K2B
RELAY-DPDT
9
R21
150k
R22
220
Bypass
Effect
7
R20
0 ohm
E
8
+12VA
R24
51
110
K1C
+3.3VD
R32
omit
R23
0.1uF
D1
1N4148
Q1
MMBT3904
RELAY-DPDTC21
omit
R125
470
Title
B
Date: 21-Mar-2005 Sheet of
File: C:\EC-0070\EC-0070.ddb Drawn By:
R126
470
POG - Audio I/O
Number RevisionSize
Copyright 2004
EC-0070 A
J4
Right Output
110
K2C
RELAY-DPDT
New Sensor Corp.
32-33 47th Ave
Long Island City, NY 11101
61
John Pisani
B
A
C15
AOUTR
4.7uF/16V
For +6dB amplification put in values in parantheses.
+6V
C19
47uF/16v
EC-0070rA_CV
EC-0070rA_CV.Sch
CV AUX
CV IN2
CV IN1
+
R17
15k / 1%
(7.15k/1%)
R18
1k / 1%
(1.1k/1%)
C16
2200pF
2
3
R19
15k / 1%
(14.3k/1%)
U2A
NE5532
C17
220pF
1
Page 2
654321
OMIT Switching Power Supply Section From Production.
TP11
TP12
+12VA
C43
0.047uF
+12VA
+
C35
47uF/16V
+
C60
100uF/10V/Elect.
TP13
+3.3VA
+
C40
100uF/10V/Elect.
+
C44
10uF/10V/Elect.
C36
1uF/50V/Y5V
GND
GND
7
+12VA
2
3
3a
0.047uF
+3.3VA
1
C34
0.047uF
U4
R37
2.2 / 1W
100uF/35V
1N4003
C61
+V_UNREG
C32
D10
+
C58
10uF/Tant./16V C59
0.1uF
D7
D
C
J5
PJ-102BH
18VDC/500mA
J
1N4003
G
+12VA
D8
1N4003D91N4003
47uF/16V/Elect.
LM7812
1
Vin
GND
3
U23
LM1117T-3.3 +3.3VD
Vin
1
U6
L78L33ACD
8
Vin
GND2GND
3
C42
C33
0.1uF
2
Vout
3a
Vout
GND
GND
Vout
GND
6
Install Switching Power Supply when more than one RAM chip is installed on the PCB.
R39
47 / 1W
D6A
MMBD7000
D4
1N4747A
20V Zener
U5
2
Vin
5
SHDN
8
SYNC
LT1767
1
BOOST
GND
4
Vsw
FB
Vc
C37
0.1uF
3
6
7
C38
1500pF
R40
4.7k
10uH/1A
D5
MBRS130T3/TR
D
TP8
+3.3VD
+3.3VD
L1
R41
17.4k/1%
R42
10k / 1%
C39
10uF/6.3V/X5R
TP9
+3.3VD
TP10
+3.3VD
C
OMIT From Production.
+3.3VD
R44
100
+3.3VA
LED1
Power Indicator
TP3
TP4
GND
TP5
GND
GND
EC-0070 A
R38
0 ohm
Copyright 2004
TP6
GNDA
TP7
GNDA
New Sensor Corp.
32-33 47th Ave
Long Island City, NY 11101
62
B
A
John Pisani
C28
0.1uF
+
+3.3VA
C29
10uF
C27
0.1uF
R30
AINL
AINR
VCOM
U3
AK4552
DEM0
DEM1
51 ohms
5
4
VD
VA
VSS
3
AOUTL
AOUTR
MCLK
SCLK
LRCK
SDTO
+
2
1
14
6
7
SDTI
PDN
C30
+
10uF
C31
0.1uF
15
16
R33
11
12
10
R26
9
8
13
R36
omit
R34
R35
R27
R26, R27, R33 - R35 are 51
AOUTL
AOUTR
AUD_MCLK
AUD_SCLK
AUD_LRCK
DIG_AUD_OUT
DIG_AUD_IN
/RST_CODEC
TP1
TP2
GND
GND
Title
B
Date: 21-Mar-2005 Sheet of
File: C:\EC-0070\EC-0070.ddb Drawn By:
POG - Codec and Power Supply
Number RevisionSize
Place R28 and C23 close to the codec
C22
AINL
B
4.7uF/16V
R28
470
C23
2200pF
D2B
MMBD7000
D2A
MMBD7000
OMIT From Production.
+3.3VA
Place R23 and C22 close to the codec
C24
AINR
1uF/16V/X5R
A
1 2 3 4 5 6
R29
470
C25
2200pF
D3B
MMBD7000
D3A
MMBD7000
C26
1uF
Page 3
654321
87
VCCLQ
U7
GNDQ
GNDQ
36
65
35
15
VCCHQ
VCCHQ
AA0/RAS0
AA1/RAS1
PINIT/NMI
GNDQ
88
+3.3VD
89
61
VCCHQ
VCCHQ
VCCD
GNDD
VCCC
VCCA
VCCA
VCCA
VCCA
GNDA
GNDA
GNDA
GNDA
GNDC
PCAP
VCCP
GNDP
EXTAL
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
CAS
RD
WR
TA
+3.3VD
R71
10k
C53
0.1uF
C54
0.1uF
79
80
75
DSP D0
76
DSP D1
77
DSP D2
78
DSP D3
81
DSP D4
82
DSP D5
83
DSP D6
84
DSP D7
46
DSP A0
47
DSP A1
50
DSP A2
51
DSP A3
52
DSP A4
53
DSP A5
54
DSP A6
57
DSP A7
58
DSP A8
59
DSP A9
60
DSP A10
62
DSP A11
67
DSP A12
68
DSP A13
69
DSP A14
70
DSP A15
73
DSP A16
74
DSP A17
R64
45
44
39
R66
41
40
R68
38
42
48
55
63
71
49
56
64
72
43
32
31
33
34
28
+3.3VD
+3.3VD
C64
0.01uF
C55
0.1uF
C57
0.1uF
C63
0.027uF
Polystyrene
0.1uF
C65
C56
0.1uF
DSP D [0..7]
DSP A [0..17]
R65
R67
+3.3VD_P
MCLK
AA0/RAS0
AA1/RAS1
/CAS
/RD
/WR
R69
4.7k
FB2
Ferrite Bead
600ohm @ 100MHz
+
C66
47uF
R64-R68 are 0 ohm
resistors.
+3.3VD
R70
51
Title
B
Date: 21-Mar-2005 Sheet of
File: C:\EC-0070\EC-0070.ddb Drawn By:
POG - DSP
C67
0.1uF
Copyright 2004
Number RevisionSize
EC-0070 A
New Sensor Corp.
32-33 47th Ave
Long Island City, NY 11101
63
John Pisani
D
C
B
A
+3.3VD
100
86
85
90
30
23
24
25
26
27
29
98
97
99
91
94
95
96
10
13
14
16
17
18
19
20
21
92
22
93
3
2
1
6
7
4
5
8
9
C52
0.1uF
11
VCCLQ
NC
NC
NC
NC
SS/HA2
MOSI/HA0
MISO/SDA
SCK/SCL
HREQ
MODA/IRQA
MODB/IRQB
MODD/IRQD
RESET
TDI
TDO
TCK
TMS
GPIO0
GPIO1
GPIO2
GPIO3
HCKT
HCKR
SCKT
SCKR
FST
FSR
SDO0
SDO1
SDO2/SDI3
SDO3/SDI2
SDO4/SDI1
SDO5/SDI0
VCCS
VCCS
VCCS
GNDS
GNDS
GNDS
37
66
VCCLQ
VCCLQ
DSP56364
GNDQ
12
LED2
LED3
LED4
TP18
DSP_SW
0.1uF
C48
C51
0.1uF
C49
0.1uF
D
+3.3VD
R56
10k
LED2
RED
LED3
RED
LED4
RED
R57
10k
R59
220
Q2
MMBT3904
R61
220
Q3
MMBT3904
R63
220
Q4
MMBT3904
R58
10k
R62
10k
R60
10k
/CS_DSP
SPI_DO
SPI_DI
SPI_CLK
/DSP_HREQ
DSPSW
DIG_AUD_OUT
DIG_AUD_IN
C46
0.1uF
R55
10k
MODA
MODB
MODD
R54
0 ohm
C
/RST_DSP
OMIT JTAG From Production.
+3.3VD
R48
R47
10k
J7
B
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
JTAG/OnCE
R49
10k
1 2 3 4 5 6
10k
12
U8D
13
74LVC08
OMIT From Production.
R50
10k
1
2
4
5
9
10
+3.3VD
+3.3VD
R51
10k
DE
TRST
+3.3VD
U8A
74LVC08
U8B
74LVC08
U8C
74LVC08
R52
10k
11
OnCE_RST
+3.3VD
R115
10k
OMIT DSP LEDs From Production.
+3.3VD
3
6
8
TDI
TDO
TCK
TMS
R53
10k
C50
0.1uF
AUD_MCLK
AUD_SCLK
AUD_LRCK
+3.3VD
C47
0.1uF
Page 4
OMIT External Memeory Section From Production.
DSP D [0..7]
654321
U9
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
+3.3VD
9
VCC
GND
10
27
VCC
NC/A18
GND
28
C68
0.1uF
D0
D1
D2
D3
D4
D5
D6
D7
CE
WE
OE
NC
NC
DSP D0
7
DSP D1
8
DSP D2
11
DSP D3
12
DSP D4
25
DSP D5
26
DSP D6
29
DSP D7
30
6
13
31
19
20
36
AA0/RAS0
/WR
/RD
DSP A0
DSP A1
DSP A2
DSP A3
DSP A4
DSP A5
DSP A6
DSP A7
DSP A8
DSP A9
DSP A10
DSP A11
DSP A12
DSP A13
DSP A14
DSP A15
DSP A16
DSP A17
256k x 8 SRAM256k x 8 SRAM
5
4
3
2
1
35
34
33
32
24
23
22
21
18
17
16
15
14
IS61LV2568
D
DSP A0
DSP A1
DSP A2
DSP A3
DSP A4
DSP A5
DSP A6
DSP A7
DSP A8
DSP A9
DSP A10
DSP A11
DSP A12
DSP A13
DSP A14
DSP A15
DSP A16
DSP A17
C
DSP A [0..17]
5
4
3
2
1
35
34
33
32
24
23
22
21
18
17
16
15
14
IS61LV2568
U10
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
+3.3VD
9
VCC
GND
10
27
VCC
NC/A18
GND
28
C69
0.1uF
D0
D1
D2
D3
D4
D5
D6
D7
CE
WE
OE
NC
NC
D
DSP D0
7
DSP D1
8
DSP D2
11
DSP D3
12
DSP D4
25
DSP D5
26
DSP D6
29
DSP D7
30
6
13
31
19
20
36
AA1/RAS1
/WR
/RD
C
+3.3VD
B
DSP A0
DSP A1
DSP A2
DSP A3
DSP A4
DSP A5
DSP A6
DSP A7
DSP A8
DSP A9
DSP A10
IS41LV8205
2M x 8 FPM/EDO DRAM 2M x 8 FPM/EDO DRAM
A
1 2 3 4 5 6
U11
10
A0
11
A1
12
A2
13
A3
16
A4
17
A5
18
A6
19
A7
20
A8
21
A9
9
A10
8
NC
1
15
14
VCC
GND
28
VCC
RAS
CAS
WE
OE
GND
D0
D1
D2
D3
D4
D5
D6
D7
C70
0.1uF
2
DSP D0
3
DSP D1
4
DSP D2
5
DSP D3
24
DSP D4
25
DSP D5
26
DSP D6
27
DSP D7
7
23
6
22
AA0/RAS0 AA1/RAS1
/CAS
/WR
/RD
DSP A0
DSP A1
DSP A2
DSP A3
DSP A4
DSP A5
DSP A6
DSP A7
DSP A8
DSP A9
DSP A10
10
11
12
13
16
17
18
19
20
21
IS41LV8205
+3.3VD
U12
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
9
A10
8
NC
1
15
14
VCC
GND
28
VCC
RAS
CAS
WE
OE
GND
D0
D1
D2
D3
D4
D5
D6
D7
C71
0.1uF
B
2
DSP D0
3
DSP D1
4
DSP D2
5
DSP D3
24
DSP D4
25
DSP D5
26
DSP D6
27
DSP D7
7
23
6
22
/CAS
/WR
/RD
Copyright 2004
Title
B
Date: 21-Mar-2005 Sheet of
File: C:\EC-0070\EC-0070.ddb Drawn By:
POG - DSP Memory
Number RevisionSize
EC-0070 A
New Sensor Corp.
32-33 47th Ave
Long Island City, NY 11101
64
John Pisani
A
Page 5
D
+3.3VD
+3.3VD +3.3VD +3.3VD
TOP
P2
10k/Lin
+3.3VD
+3.3VD
TOP
P7
10k/Lin
C
CV AUX
OMIT MIDI Section From Production.
Break-Away Board
B
2
5
3
6
+3.3VD_B
R109
150
C80
100pF
FB4
A
2
4
1
7
1 2 3 4 5 6
7
6
P10
10k/Lin
P8
10k/Lin
J8
MIDI IN
4
1
C79
100pF
5
3
J9
MIDI OUT
+3.3VD
R103
220 ohm
CON1B
MIDI
FB3
P4
10k/Lin
+3.3VD +3.3VD
P9
10k/Lin
CON1A
MIDI
1
2
3
4
5
+12VA
R127
4.7k
R128
1k
P3
10k/LinP510k/Lin
1
2
3
4
5
P6
10k/Lin
+3.3VD
1
2
R108
220
U20
IN+
IN-
PC900
+3.3VD
VCC
OUT
GND
U19
1
CH0
2
CH1
3
CH2
4
CH3
5
CH4
6
CH5
7
CH6
8
CH7
9
CH8
11
CH9
12
CH10
TLV1543CDW
OMIT
U13
3
VDD
2
VSS
MN13821-K
6
4
5
MIDIOUT
MIDI OUT
Q6
R107
1k
MMBT3904
+3.3VD
OUT
TP21
20
VCC
GND
10
CLK
CS
EOC
ADDR
DO
REF+
REF-
1
C78
0.1uF
+3.3VD_B
C75
0.1uF
10uF/10V
+3.3VD
R106
4.7k
18
15
19
17
16
14
13
OMIT
OMIT
C77
R104
470
+3.3VD
+3.3VD
R74
1k
+
MIDI IN
Q5
R105
10k
MMBT3904
OMIT EEPROM From Production.
+3.3VD
C81
0.1uF
R110
0 ohm
R112
0 ohm
C62
TP19
/RST
TP20
MIDIIN
100uF / 10V
/RST
OMIT
S8
Reset
C76
0.1uF
U15
8
7
3
4
25LC320ISN
U16A
1
74LVC00
2
/BYPASS_SYS
VCC
/HOLD
/WP
VSS
SO
SCK
/CS
SI
R111
0 ohm
R114
0 ohm
3
OMIT
R129
0 ohm
R46
150
C73
39pF
C74
39pF
OMIT From Production.
LED8
LED9
LED10
5
2
6
1
+3.3VD
LED5
LED6
X1
12.0000 MHz
12
13
1
2
5
4
/CS_ADC
EOC
/CS_EE
C83
0.1uF
MIDI IN
MIDI OUT
U17D
74LVC00
U17A
74LVC00
U17B
74LVC00
SPI_CLK
/DSP_HREQ
SPI_DI
SPI_DO
/CS_DSP
R113
0 ohm
/RST_DSP
/RST_CODEC
/BYPASS_RELAY
R75
1M
LED5
LED6
R96
11
220
R97
3
220
R98
6
220
654321
+3.3VD+3.3VD
R78
+3.3VD
44
C72
0.1uF
10k
U14
2
T2/P1.0
3
T2EX/P1.1
4
P1.2
5
P1.3
6
P1.4
7
P1.5
8
P1.6
9
P1.7
10
RST
14
INT0/P3.2
15
INT1/P3.3
16
T0/P3.4
17
T1/P3.5
18
WR/P3.6
19
RD/P3.7
11
RxD/P3.0
13
TxD/P3.1
21
XTAL1
20
XTAL2
1
NC
12
NC
U16B
4
74LVC00
5
U16C
9
74LVC00
10
U16D
13
74LVC00
12
LED8
RED
LED9
RED
LED10
VCC
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
PSEN
EA/VPP
VSS
P87C51X2BA
4kB OTP
22
128B RAM
MCLK
TP22
6
MCLK
ALE
NC
NC
R92
omit
43
MC AD0
42
MC AD1
41
MC AD2
40
MC AD3
39
MC AD4
38
MC AD5
37
MC AD6
36
MC AD7
24
LED7
25
LED8
26
LED9
27
LED10
28
LED11
29
LED12
30
LED13
31
LED14
33
ALE
32
/PSEN
35
34
23
or
P87C52X2BA
8kB OTP
256B RAM
AUD_MCLK
+3.3VD
LED7
BYPASS
LED5
R93
8
220
Preset 1
LED6
R94
11
220
Preset 2
U18C
LED11
LED12 11
LED13
LED14
9
74LVC00
10
U18D
13
74LVC00
12
U18A
1
74LVC00
2
U18B
5
74LVC00
4
8
3
6
RED
Title
B
Date: 21-Mar-2005 Sheet of
File: C:\EC-0070\EC-0070.ddb Drawn By:
R79
10k
+3.3VD
R82
10k
+3.3VD
R83
10k
R80
150
R81
150
R84
150
R85
+3.3VD
150
R95
220
+3.3VD
R86
150
R76
10k
R77
omit
R88
150
+3.3VD
R90
10k
R72
150
+3.3VD
R91
10k
R73
150
R45
omit
R99
LED11
220
RED
R100
LED12
220
RED
R101
LED13
220
RED
R102
LED14
Copyright 2004
220
RED
Microcontroller, Reset, MIDI and Control ADC
Number RevisionSize
EC-0070 A
K L M
N
+3.3VD
R87
10k
+3.3VD
R89
10k
U
S6
Preset 2 Footswitch
W
S7
Preset 1 Footswitch
S2
3 Pos. Switch
O P
S3
3 Pos. Switch
Q R
S4
Misc. 1
S T
S5
Misc. 2
V
X
DSPSW
New Sensor Corp.
32-33 47th Ave
Long Island City, NY 11101
65
John Pisani
D
C
B
A
Page 6
654321
D
D
OMIT CV Input Section From Production.
C
+12VA
R116
4.7k
+3.3VD
MMBZ5227B
3.6V Zener
R118
10k
+12VA
J12
CV IN AUX
R117
150k
Y Z aa
R119
62k
D11
1N4148
D12
+3.3VD
5
6
+12VA
84
C82
0.1uF
U22B
LM358
7
+3.3VD
TP25
CVAUX
R120
470
D13B
D13A
MMBD7000
CV AUX
C
B
Copyright 2004
A
Title
B
Date: 21-Mar-2005 Sheet of
File: C:\EC-0070\EC-0070.ddb Drawn By:
1 2 3 4 5 6
POG - Control Voltage Inputs
Number RevisionSize
EC-0070 A
New Sensor Corp.
32-33 47th Ave
Long Island City, NY 11101
66
John Pisani
B
A
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