Roland G-70 - Circuit Diagram (Main 3;14)

G-70
Feb.2005
57
56
CIRCUIT DIAGRAM (MAIN 3/14)
BXENC_INT
SCPT1
BD[0..15]
CD6
CD4
CD9
CD0
CD5
CD3
CD12
CD10
CD2
CD1
CD14
CD7
CD8
CD11
CD13
CD15
CA11
CA1
CA8
CA5
CA7
CA4
CA0
CA2
CA3
CA13
CA9
CA6
CA14
CA12
CA15
CA10
BA7
BA10
BA14
BA9
BA0
BA13
BA11
BA12
BA3
BA14
BA10
BA4
BA6
BA15
BA2
BA8
BA1
BA8
BA3
BA11
BA12
BA2
BA0
BA7
BA5
BA13
BA6
BA4
BA9
BA1
BA5
BA15
BA16
BA19
BA17
CA19
BA20
BA18
CA16
CA17
CA20
CA18
CA22
CA23
BA22
BA23
MIDI_IN
CA21 BA21 BA21
BA16
BA19
BA17
BA20
BA18
BA23
BA22
XCS0
XCS2
XCS5
XCS6
XCE2A
XCS4
BA24
CA24
CA23
XCS4 XCSUSBC
XCSKSM
CA20
CA21
CA22
CA23
XCS5
XCSPCCTL
XCSFDC
XCSFLCNTL
XCSFLDATA
XCSESP
XCSUART
XCSDEBUG
CA24
BA24
XCS6
BA23
XWXCS16
XWXCS32
XUART_INT
XCE2B
ENC_A
RXD1
RXD2
RXD0
ENC_B
SURUGA_INT
XERES5V
XCS6
XCS5
XCE2B
XCE2A
CA24
CA23
CA23
CA24
XCE1AB
XDBEN
XMUTE
SURUGA_RXD
MIDI_IN
BD0
BD1
BD2
XRESET
XCSIOCNTL
XCSIOCNTL
BX8WE
BD3
DISP_ON
XAKPDN
IOCT2
IOCT3
VIDEO_MODE
IOCT2
IOCT3
XCS2
XCS0
XCS4
XCS5
XCS6
CA[0..24]
XCS3
XWAIT
TXD2
XICIORD
WRXRD
TXD1
PALXNTSC
TXD0
XCS3
CA24
XGDB_INT
BXSURUGA_INT
XCS0
XCS2
XCE2AB
XCS0
XCS2
XCS4
XCS5
XCS6
XERES5V
HARMONY_RXD
HARMONY_RXD
ABOE
ABOE
ABOE
BD10
BD8
BD7
BD14
BD3
BD2
BD14
BD11
BD6
BD12
BD1
BD9
BD0
BD9
BD0
BD13
BD15
BD12
BD7
BD13
BD4
BD1
BD5
BD15
BD5
BD2
BD10
BD11
BD3
BD4
BD6
BD8
MIDI_OUT
HARMONY_TXDHARMONY_TXD
XMUTE
TOKAIDO_TXD
MIDI_OUT
PALXNTSC
XDBEN
ABOE
BA[0..24]
CD[0..31]
BD[0..15]
CA[0..24]
+
5D
+
5D
+
5D
+
5D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D D
D
D
D
D
D
D
D
D
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
D
+
D3.3
D
ENC_B
ENC_A
XERES5V
SURUGA_INT
XCE2A
XCE2B
SURUGA_RXD
XUART_INT
XRESET
BX8WE
XCS2
XCS3
XCS0
XCS4
XCS5
XCS6
XLCDWAIT
XWXWAIT
XPCCARDWAIT
TXD1
TXD0
TXD2
XICIORD
WRXRD
SUST
FOOT
EXPJ
XCSKSM
XCSUSBC
XCSPCCTL
XCSFDC
XCSFLCNTL
XCSFLDATA
XCSESP
XCSUART
XCSDEBUG
XWXCS16
XWXCS32
TOKAIDO_TXD
RXD1
RXD2
RXD0
XCSLCDC
XCSFLASH
XDBEN
XMUTE
XAKPDN
DISP_ON
BXENC_INT
XGDB_INT
BXSURUGA_INT
ENC_DATA
XCARD_SELECT
XCE1AB
XCE2AB
XWAIT
VIDEO_MODE
PALXNTSC
Use buffered addresses to
ensure the WX chip selects
setup time.
to MIDI Board
Data Buffers
Address Buffers
3.3V
5V
3.3V
5V
Write: H: A -> B
Read: L: B -> A
to Harmony Board
9
10
8
IC13C
HD74LV08AT
IC13C
HD74LV08AT
12
13
11
IC13D
HD74LV08AT
IC13D
HD74LV08AT
1
2
4
5
6
IC20A
HD74LV21ATELL
IC20A
HD74LV21ATELL
C66 GRM39@0.1C66 GRM39@0.1
C68
GRM39@
0.1C68
GRM39@
0.1
C72
GRM39@
0.1C72
GRM39@
0.1
VCC
16
GND
8
IC15C
TC74VHC139FT
IC15C
TC74VHC139FT
1
2
4
53
IC16
TC7SH32FU
IC16
TC7SH32FU
L5 N2012Z601T02L5 N2012Z601T02
C
3
B
2
A
1
G2B
5
G2A
4
G1
6
Y7
7
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
VCC
16
GND
8
IC18
TC74VHC138FT
IC18
TC74VHC138FT
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA48
EXB2HVJV@
10k
RA48
EXB2HVJV@
10k
9
10
12
13
8
IC20B
HD74LV21ATELL
IC20B
HD74LV21ATELL
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA53
EXB2HVJV@
10k
RA53
EXB2HVJV@
10k
D4
13
D3
12
D2
5
D1
4
CLR
1
CK
9
4Q
15
3Q
10
2Q
7
1Q
2
4Q
14
3Q
11
2Q
6
1Q
3
VCC
16
GND
8
IC17
TC74VHC175FT
IC17
TC74VHC175FT
C77
GRM39@
0.1C77
GRM39@
0.1
C81
GRM39@
0.1
C81
GRM39@
0.1
C71
GRM39@
0.1C71
GRM39@
0.1
1
XCSTP6 TESTLAND1R2SXCSTP6 TESTLAND1R2S
1
XWAIT0
TESTLAND1R2S
XWAIT0
TESTLAND1R2S
B
13
A
14
G
15
Y3
9
Y2
10
Y1
11
Y0
12
IC14B
TC74VHC139FT
IC14B
TC74VHC139FT
1
2
3
IC13A
HD74LV08AT
IC13A
HD74LV08AT
D7
9
D6
8
D5
7
D4
6
D3
5
D2
4
D1
3
D0
2
OE
1
LE
11
Q7
12
Q6
13
Q5
14
Q4
15
Q3
16
Q2
17
Q1
18
Q0
19
VCC
20
GND
10
IC25
TC74VHC573FT
IC25
TC74VHC573FT
1 8 2 7 3 6 4 5
RA54
EXB28V@JX
10k
RA54
EXB28V@JX
10k
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA49
EXB2HVJV@
22RA49
EXB2HVJV@
22
R49
RPC05T@J
22R49
RPC05T@J
22
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
IC21
HD74LV245ATELL
IC21
HD74LV245ATELL
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
IC26
HD74LV245ATELL
IC26
HD74LV245ATELL
R50
RPC05T@J
22R50
RPC05T@J
22
L2 N2012Z601T02L2 N2012Z601T02
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA45
EXB2HVJV@
10k
RA45
EXB2HVJV@
10k
R45
RPC05T@J
22R45
RPC05T@J
22
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA116
EXB2HVJV@
22
RA116
EXB2HVJV@
22
1
2
4
5
6
IC19A
HD74LV21ATELL
IC19A
HD74LV21ATELL
147
IC19C
HD74LV21ATELL
IC19C
HD74LV21ATELL
R47
RPC05T@J
22R47
RPC05T@J
22
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
IC22
HD74LV245ATELL
IC22
HD74LV245ATELL
R43
RPC05T@J
22R43
RPC05T@J
22
A8
9
A7
8
A6
7
A5
6
A4
5
A3
4
A2
3
A1
2
G
19
DIR
1
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
VCC
20
GND
10
IC27
TC74VHCT245AFT
IC27
TC74VHCT245AFT
147
IC20C
HD74LV21ATELL
IC20C
HD74LV21ATELL
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA52
EXB2HVJV@
22
RA52
EXB2HVJV@
22
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA51
EXB2HVJV@
10k
RA51
EXB2HVJV@
10k
B
3
A
2
G
1
Y3
7
Y2
6
Y1
5
Y0
4
IC14A
TC74VHC139FT
IC14A
TC74VHC139FT
C80
GRM39@
0.1
C80
GRM39@
0.1
C75
GRM39@
0.1
C75
GRM39@
0.1
C73
GRM39@
0.1C73
GRM39@
0.1
1
XCSTP5 TESTLAND1R2SXCSTP5 TESTLAND1R2S
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA42
EXB2HVJV@
22RA42
EXB2HVJV@
22
C78
GRM39@
0.1C78
GRM39@
0.1
L7 N2012Z601T02L7 N2012Z601T02
C79
GRM31@
10
C79
GRM31@
10
D7
9
D6
8
D5
7
D4
6
D3
5
D2
4
D1
3
D0
2
OE
1
LE
11
Q7
12
Q6
13
Q5
14
Q4
15
Q3
16
Q2
17
Q1
18
Q0
19
VCC
20
GND
10
IC24
TC74VHC573FT
IC24
TC74VHC573FT
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
CN6
B10B-PH-SM3-TB
CN6
B10B-PH-SM3-TB
R48
RPC05T@J
22R48
RPC05T@J
22
L10 N2012Z601T02L10 N2012Z601T02
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA47
EXB2HVJV@
22RA47
EXB2HVJV@
22
4
5
6
IC13B
HD74LV08AT
IC13B
HD74LV08AT
1
1
2
2
3
3
4
4
5
5
CN7
53014-0510
CN7
53014-0510
C67
GRM39@
0.1
C67
GRM39@
0.1
1
TP3
TESTLAND1R2S
TP3
TESTLAND1R2S
R46
RPC05T@J
22R46
RPC05T@J
22
L4 N2012Z601T02L4 N2012Z601T02
R44
RPC05T@J
22R44
RPC05T@J
22
C74
GRM39@
0.1
C74
GRM39@
0.1
L3 N2012Z601T02L3 N2012Z601T02
1
XCSTP4 TESTLAND1R2SXCSTP4 TESTLAND1R2S
1
XCSTP2 TESTLAND1R2SXCSTP2 TESTLAND1R2S
L6 N2012Z601T02L6 N2012Z601T02
B
3
A
2
G
1
Y3
7
Y2
6
Y1
5
Y0
4
IC15A
TC74VHC139FT
IC15A
TC74VHC139FT
R282
RPC05T@J
10k
R282
RPC05T@J
10k
B
13
A
14
G
15
Y3
9
Y2
10
Y1
11
Y0
12
IC15B
TC74VHC139FT
IC15B
TC74VHC139FT
1
XCSTP0 TESTLAND1R2SXCSTP0 TESTLAND1R2S
C76
GRM39@
0.1C76
GRM39@
0.1
L9 N2012Z601T02L9 N2012Z601T02
R281
RPC05T@J
10k
R281
RPC05T@J
10k
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA43
EXB2HVJV@
10k
RA43
EXB2HVJV@
10k
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA41
EXB2HVJV@
22RA41
EXB2HVJV@
22
147
IC13E
HD74LV08AT
IC13E
HD74LV08AT
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA44
EXB2HVJV@
22RA44
EXB2HVJV@
22
C70
GRM39@
0.1C70
GRM39@
0.1
1
TP4 TESTLAND1R2STP4 TESTLAND1R2S
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
RA50
EXB2HVJV@
22
RA50
EXB2HVJV@
22
9
10
12
13
8
IC19B
HD74LV21ATELL
IC19B
HD74LV21ATELL
D7
9
D6
8
D5
7
D4
6
D3
5
D2
4
D1
3
D0
2
OE
1
LE
11
Q7
12
Q6
13
Q5
14
Q4
15
Q3
16
Q2
17
Q1
18
Q0
19
VCC
20
GND
10
IC23
TC74VHC573FT
IC23
TC74VHC573FT
C69
GRM39@
0.1C69
GRM39@
0.1
L8 N2012Z601T02L8 N2012Z601T02
R51
RPC05T@J
22
R51
RPC05T@J
22
12
3 4 5 6 7 8 9 10
RA46
EXBE10C@J
10k
RA46
EXBE10C@J
10k
VCC
16
GND
8
IC14C
TC74VHC139FT
IC14C
TC74VHC139FT