Roland Edirol StudioCanvas SD-80 - Circuit Diagram (Main Board 3;7)

May.2002 SD-80
CIRCUIT DIAGRAM (MAIN BOARD 3/7)
fig.mb-sch3
LEVEL CONVERTERBlock
USB
Block
TONEGenerator
Block
USB
Block
TONEGenerator
Block
NOTE : "NIU" means "Not In Use."
TONEGenerator
Block
USB
Block
ANALOG
Block
USB
Block
POWER
Block
CPUBlock
TONE
GENERATOR#1
to PANEL
boa rd
TONEGen.#1
Block
to
ENCODER
boa rd
CPU
Block
CPU
Block
AUDIO
Block
USB
Block
to J AC K1
boa rd
INTER FACE BLOCK
3D13
3D10
3D15
3D7
D9
D7
D11
D5
3D4
3D1
D4
3D12
D2
3D14
D8
3D2
3D3
D6
D0
D1
3D6
3D0
D10
3D11
D15
3D5
3D8
3D9
D3
D13
D14
D12
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
A5
A7
A2
A3
A6
A4
A1
A8
A4
A6
A8
3A4
3A8
A1
3A6
3A7
A5
A7
3A1
3A2 A 2
3A5
3A3 A 3
XGATE
XGATE
LP0
LP1
LP2
LP3
LP7
LP6
LP4
LP5
XSCAN2
XSCAN1
XSW3
XSW1
XSW2
XSW0
SCAN0 X SCAN0
SCAN1
SCAN2
LED0
LED2
LED1
D
+
5D
D
D
D
D
+
5D
+
D3.3
D
D
D
+
5D
D
D
D
D
D
+
D3.3
+
D3.3
+
5D
D
D
+
D3.3
+
5D
+
D3.3
+
D3.3
+
D3.3
D
+
5D
D
D
+
5D
D
D
+
D3.3
D
+
5D
D
+
D3.3
D
D
+
D3.3
D
+
D3.3
+
5D
C50
0.1u
IC10
TC74LVXC3245FS
2
3
4
5
6
7
8
9
10
11
14
15
16
17
18
19
20
21
22
24 1
13 12
23
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
B8
B7
B6
B5
B4
B3
B2
B1
G
VCCB V
CCA
GND GND
NC
C47
0.1u
IC12
TC74LVXC3245FS
2
3
4
5
6
7
8
9
10
11
14
15
16
17
18
19
20
21
22
24 1
13 12
23
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
B8
B7
B6
B5
B4
B3
B2
B1
G
VCCB VCCA
GND GND
NC
C51
0.1u
C49
0.1u
IC13A
VHCT139A
3
2
1
7
6
5
4
B
A
G
Y3
Y2
Y1
Y0
C53
0.1u
C52
0.1u
C55
0.1u
C56
0.1u
C54
0.1u
IC14
TC7SH08FU
1
2
4
53
RA24
NIU
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
R16
10k
IC7B
LV00A
4
5
6
IC7E
LV00A
147
IC8
LV245A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
B8
B7
B6
B5
B4
B3
B2
B1
OE
VCC
RA23
NIU
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
RA25
NIU
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
C103
10u/16V
IC11
VHCT245A
9
8
7
6
5
4
3
2
19
1
11
12
13
14
15
16
17
18
2010
A8
A7
A6
A5
A4
A3
A2
A1
G
DIR
B8
B7
B6
B5
B4
B3
B2
B1
VCCGND
IC13B
VHCT139A
13
14
15
9
10
11
12
B
A
G
Y3
Y2
Y1
Y0
IC13C
VHCT139A
16
8
VCC
GND
IC7A
LV00A
1
2
3
IC9
VHCT245A
9
8
7
6
5
4
3
2
19
1
11
12
13
14
15
16
17
18
2010
A8
A7
A6
A5
A4
A3
A2
A1
G
DIR
B8
B7
B6
B5
B4
B3
B2
B1
VC
C
GN
D
IC7C
LV00A
9
10
8
C48
0.1u
IC7D
LV00A
12
13
11
RA28
22
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
R25
22
R24
22
C83
1000p
C82
1000p
C80
1000p
C81
1000p
C78
1000p
C79
1000p
C84
1000p
C85
1000p
C77
0.1u
C88
10u/16V
C86
22p
C87
1000p
CN5
16FMN-BMT-A-TF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DA3
MA147-(TX)
21
3
R26
100
C70
1000p
C69
1000p
C67
1000p
C68
1000p
C71
1000p
C72
1000p
Q3
DTB113ZK
1
3 2
Q2
DTB113ZK
1
3 2
L3 NIU
L4 NIU
C73
1000p
C74
1000p
C57
10u/16V
C58
0.1u
IC15D LV04A
9 8
Q4
DTB113ZK
1
3 2
L5 NIU
IC15E LV04A
11 10
IC15F LV04A
13 12
C65
1000p
C66
1000p
C64
1000p
C63
1000p
RA27
1k
18
27
36
45
RA26
1k
18
27
36
45
R21 1k
R 20 390
R 19 390IC15A LV04A
1 2
IC15B LV04A
3 4
IC15C LV04A
5 6
C62
1000p
IC15G
LV04A
147
C76
0.1u
CN4
14FMN-BMT-A-TF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
IC16F
LV14A
1312
RA51
1k
18
27
36
45
C75
NIU
C59
0.1u
IC16A
LV14A
12
C60
0.1u
IC16D
LV14A
98
IC16B
LV14A
34
CN3
B04B-PH-S M3-TB
1
2
3
4
1
2
3
4
IC16C
LV14A
56
IC16G
LV14A
147
C61
0.1u
RA50
10k
1 8 2 7 3 6 4 5
IC16E
LV14A
1110
R22 NIU
RA49
NIU
18
27
36
45
CN6
18FMN-BMT-A-TF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
XS0
XCSV1
OBF
XINTV1
XRD
XCSV0
XWAIT
A[1..8]
XWR
IBF
XINTV0
XS1
D[0..15]
3XRD
3XCSIPC
3XCSTG
3XCSIPC
3XCSTG
3A[1..8]
3D[0..15]
3XINT V0
3XWAIT
3IBF
3OBF
3XINT V1
3A24
XRSTC PU
3XRST CPU
XRST
3AMUTE
XRSTTG
AMUTE
XENDIT
XRSTDAC
3XRD
3RSTDAC
3RSTTG
3XWRLU
3XRST
CONTRAST
LP[0..7]
LE
RS
LED[0..2]
SCAN[0..2]
XSW[0..3]
3XENC B
3XENC A
3XENC SW
USBDN
3RXD1
3TXD2
3RXD2
USBDP
VBUS
3TXD1
DOUT
2625