Circuit Diagram (Main Board: 1/4) - Roland Juno-GJ Service Notes

128 voice expandable synthesizer with audio/midi song recorder
Table of Contents

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Apr. 2006

Circuit Diagram (MAIN Board: 1/4)

fig.diagram-main-1@L
EEPDO
+
D
3.3
RA2
1
8
XRD
XWE3
4
5
2
7
33
3
6
RA1
XWE0
XWE2
10k
3
6
2
7
XWE1
XWE1
4
5
XWE2
XWE0
1
8
1
8
XWE3
RA4
2
7
RD/XWR
RD/XWR
R3 33
10k
3
6
R4 33
XCS2
XRD
4
5
XCS3
XCE1B
4
5
RA9
1
8
XCS0
XCE1A
3
6
RA10
2
7
XCS4
33
XCS4
2
7
10k
3
6
1
8
XCE1A
XCS0
4
5
R5
XCE1B
XCS3
1
8
XCE2A
XCS2
R6
RA15
2
7
XCE2B
+
D
3.3
10k
3
6
XRASL
4
5
R7
33
XCASL
XCE2B
R8
XCE2A
R9
33
NIU
XBBIOIS16
R10
CKE
33
R11
EEPCS0
33
LED1
R12
33
XCASL
SML-310LT
XADARST
XRASL
R13
33
NIU
D
+
D
3.3
Power
R14
10k
XWAIT
MIC_SW
MIC_SW
CARD-PW-ON/XOFF
EEPDI
XDACK0
R18
XAUDSYNC
+
D
3.3
AUDATA3
CN1
AUDATA2
RA27
1
8
1
AUDATA0
AUDATA0
AUDATA1
1
2
7
2
10k
AUDATA1
AUDATA1
AUDATA0
2
3
AUDATA2
AUDATA2
6
3
3
4
AUDATA3
AUDATA3
5
4
XTRST
4
RA28
5
XAUDSYNC
XAUDSYNC
8
1
TMS
5
6
7
2
10k
TCK
TCK
6
7
TCK
TMS
6
3
TDI
7
8
TMS
TDI
5
4
TDO
8
9
XTRST
XASEBRKAK
9
RA31
10
8
1
TDI
XTRST
10
11
7
2
10k
TDO
TDO
11
12
XASEBRKAK
XASEBRKAK
6
3
C15
12
13
XRST_A
AUDCK
5
4
13
14
C16
AUDCK
XRST_A
14
+
15
D
3.3
15
16
R19 10k
D
16
R20
D
10k
16FMN-BTK-A
D
+
. 1 9
R21
NIU
XE10AMODE
H-UDI
10k
+
D
3.3
R24
R25
R26
R27
R28
R29
10k
10k
10k
10k
10k
10k
R22
10k
CPUCLK
+ 5
+
D
D
3.3
SW2
EEPSK
D
SKRGADD010
SCL
NIU
XPCMCIA-RST
CKIO
R30
D
R31
DEBUG SW 2
22
4
3
2
1
R32
100
100
TXD2
R33
IC9B
IC9A
100
8
9
6
5
R34
100
RTS2
R36
IC9D
IC9C
R35
1k
PLAY_RED
100
10
11
12
13
R37
100
MIDI_OUT
IC9E
IC9F
1
2
3
4
R38
1k
RXD2
PLAY_GREEN
IC10A
IC10B
5
6
9
8
MIDI_IN
+
D
3.3
IC10C
IC10D
13
12
11
10
CTS2
IC10F
IC10E
R39
AUDCK
10k
+ 5
+
XGDBMODE
XCD_DETECT
D
D
3.3
R361 NIU
D
+
3.3
R362 NIU
NFRXB
C38
C39
+
0.1
0.1
R40
D
3.3
R41
10k
10k
D
D
XRST_A
R44
100
IC9G
SW3
R45
IC10G
10k
TC74VHCT04AFT
SN74LV04APWR
SKRGADD010
C46
NIU
D
CD_BUS_EN
D
XDREQ0
NMI
SDA
A_MUTE
XIREQ2
XIREQ2
XIREQ1
XPCMCIA-IRL
XIREQ0
XWXINT
+
D
3.3
Big endian
area0=8bit
area0=8bit
clockMODE1
clockMODE1
clockMODE1
+
D
3.3
X1
D
4
1
VDD
OE
C54
R59
0.1
2
3
22
CPUCLK
GND
OUT
SG-9001JC-C07P-16MHZ
D
IC18G
IC17E
IC16E
IC12E
SN74LV04APWR
SN74LV32APWR
SN74LV32APWR
SN74LV08APWR
+
+
+
+
+
D
3.3
D
3.3
NIU
D
3.3
D
3.3
D
3.3
IC15C
TC74VHC139FT
C59
C60
C64
C61
C63
C65
0.1
0.1
1k
0.1
0.1
0.1
D
D
D
D
D
30
D[31..0]
A[25..0]
IC1
HD6417706F133
82
76
R1
22
A25
WE3/DQMUU/ICIOWR/PTC[2]
A25
81
75
R2
22
A24
WE2/DQMUL/ICIORD/PTC[1]
A24
77
74
1
8
RA3
A23
BS/PTC[0]
A23
80
72
2
7
A22
WE1/DQMLU/WE
A22
79
70
3
6
A21
WE0/DQMLL
A21
83
69
22
4
5
A20
RD/WR
A20
78
68
1
8
RA8
A19
RD
A19
67
2
7
A18
A18
91
66
3
6
A17
CS6/CE1B/PTC[7]
A17
90
65
22
4
5
A16
CS5/CE1A/PTC[6]
A16
89
64
1
8
RA14
A15
CS4/PTC[5]
A15
33
88
62
2
7
A14
CS3/PTC[4]
A14
33
87
60
3
6
A13
CS2/PTC[3]
A13
85
59
22
4
5
A12
CS0
A12
58
RA17
1
8
A11
A11
94
57
2
7
A10
CE2B/PTD[7]
A10
92
56
3
6
A9
CE2A/PTD[6]
A9
101
55
22
4
5
A8
IOIS16/PTD[5]
A8
100
54
RA19
1
8
A7
CKE/PTD[4]
A7
99
53
2
7
A6
CASU/PTD[3]
A6
98
52
3
6
A5
CASL/PTD[2]
A5
97
50
22
4
5
A4
RASU/PTD[1]
A4
96
48
RA20
1
8
A3
RASL/PTD[0]
A3
47
2
7
A2
A2
102
46
3
6
A1
BACK
A1
103
45
22
4
5
A0
BREQ
A0
104
WAIT
5
D31
D31
8
D31/PTB[7]
108
6
7
D30
D30
DRAK1/PTE[3]
D30/PTB[6]
107
7
D29
D29
6
DRAK0/PTE[2]
D29/PTB[5]
106
8
D28
D28
5
DACK1/PTE[1]
D28/PTB[4]
105
9
D27
D27
8
DACK0/PTE[0]
D27/PTB[3]
10
7
33
D26
D26
D26/PTB[2]
113
12
6
D25
D25
AUDSYNC/PTF[4]
D25/PTB[1]
112
14
D24
D24
5
AUDATA[3]/PTF[3]
D24/PTB[0]
111
15
D23
D23
8
AUDATA[2]/PTF[2]
D23/PTA[7]
110
16
7
D22
D22
AUDATA[1]/PTF[1]
D22/PTA[6]
109
17
6
D21
D21
AUDATA[0]/PTF[0]
D21/PTA[5]
18
D20
D20
5
D20/PTA[4]
119
20
D19
D19
8
TRST/PTG[3]
D19/PTA[3]
118
22
D18
D18
7
TMS/PTG[2]
D18/PTA[2]
116
23
6
D17
D17
TCK/PTG[1]
D17/PTA[1]
114
24
D16
D16
5
TDI/PTG[0]
D16/PTA[0]
120
26
D15
D15
8
TDO/PTF[5]
D15
121
28
D14
D14
7
ASEBRKAK/PTF[6]
D14
122
29
6
D13
D13
ASEMDO
D13
30
5
D12
D12
D12
470p
127
31
D11
D11
8
CAP2
D11
32
D10
D10
7
D10
124
33
6
470p
D9
D9
CAP1
D9
34
5
D8
D8
D8
2
35
D7
D7
8
XTAL2
D7
36
D6
D6
7
D6
38
D5
D5
6
D5
40
5
D4
D4
D4
3
41
D3
D3
8
EXTAL2
D3
42
D2
D2
7
D2
43
D1
D1
6
D1
131
44
5
D0
D0
XTAL
D0
+
D
3.3
175
AVCC
132
EXTAL
C19
C390
0.1
136
170
10/16
IRQOUT/PTE[7]
AVSS
135
176
TCLK/PTE[6]
AVSS
134
D
STATUS1/PTE[5]
+
133
D
. 1 9
STATUS0/PTE[4]
138
150
C28
0.1
CKIO
VCC
117
C29
0.1
VCC
142
73
C30
0.1
TXD2/SCPT[2]
VCC
146
21
C31
0.1
RXD2/SCPT[2]
VCC
144
RTS2/SCPT[4]
143
10
SCK2/SCPT[3]
140
C32
D
TXD0/SCPT[0]
145
19
RXD0/SCPT[0]
VSS
141
71
SCK0/SCPT[1]
VSS
147
115
CTS2/IRQ5/SCPT[5]
VSS
130
VSS
148
VSS
162
ADTRG/PTG[5]
+
159
D
3.3
D
AUDCK/PTG[4]
158
C33
0.1
VCCQ
174
139
C34
0.1
AN[3]/DA[0]/PTJ[3]
VCCQ
173
95
C35
0.1
AN[2]/DA[1]/PTJ[2]
VCCQ
172
86
C36
0.1
AN[1]/PTJ[1]
VCCQ
171
63
C37
0.1
AN[0]/PTJ[0]
VCCQ
51
C40
0.1
VCCQ
39
C41
0.1
VCCQ
149
27
C43
0.1
RESETM
VCCQ
157
13
C44
0.1
NMI
VCCQ
165
RESETP
166
10
CA
C45
D
1000p
11
VSSQ
161
25
DREQ1/PTH[6]
VSSQ
160
37
DREQ0/PTH[5]
VSSQ
155
49
3
A24
IRQ4/PTH[4]
VSSQ
154
61
A23
2
IRQ3/IRL3/PTH[3]
VSSQ
153
84
XCS0
12
IC16D
IRQ2/IRL2/PTH[2]
VSSQ
152
93
11
1
IRQ1/IRL1/PTH[1]
VSSQ
151
137
13
A25
IRQ0/IRL0/PTH[0]
VSSQ
156
SN74LV32APWR
VSSQ
169
MD5
D
+
. 1 9
168
D
MD4
167
128
MD3
VCC-PLL2
164
123
13
MD2
VCC-PLL1
129
A22
14
MD1
163
C52
C53
MD0
15
0.1
0.1
XCS4
125
VSS-PLL1
126
VSS-PLL2
D
D
D
+
. 1 9
1
IC12D
VCC-RTC
XCE1B
12
SN74LV08APWR
C55
11
13
12
0.1
XCE2B
4
VSS-RTC
XBWE1
13
D
IC17D
SN74LV32APWR
+ 5
D
R351 100
XRST5
R67
IC11C
4.7k
SN74LV21APWR
+
D
3.3
IC18F
IC18E
IC18A
+ 5
D
13
12
11
10
1
2
R68
100
7
1
VCC
NC
C67
2
NC
0.1
3
NC
8
NC
4
5
C66
GND
DLY
0.1
C68
IC19
RESET
M51953BFP-C61J
D
1
D
IC3
A14
20
53
1
8
RA5
D31
A13
DQ15
A15
21
51
2
7
D30
A12
DQ14
35
50
3
6
A13
D29
A11
DQ13
A12
22
48
4
5
47
D28
A10/AP
DQ12
A11
34
47
1
8
RA11
D27
A9
DQ11
A10
33
45
2
7
D26
A8
DQ10
32
44
3
6
A9
D25
A7
DQ9
31
42
4
5
47
A8
D24
A6
DQ8
A7
30
13
1
8
RA16
D23
A5
DQ7
A6
29
11
2
7
D22
A4
DQ6
A5
26
10
3
6
D21
A3
DQ5
25
8
4
5
47
A4
D20
A2
DQ4
A3
24
7
1
8
RA18
D19
A1
DQ3
A2
23
5
2
7
D18
A0
DQ2
4
3
6
D17
DQ1
2
4
5
47
D16
DQ0
+
19
D
3.3
XCS3
CS
XRASL
18
C2
10
RAS
XCASL
17
1
C3
0.1
CAS
VDD
16
14
C5
RD/XWR
0.1
WE
VDD
27
C6
0.1
VDD
CKE
37
3
C7
0.1
CKE
VDDQ
D
+
3.3
CKIO
38
9
C10
0.1
CLK
VDDQ
1
10
R15
43
C11
0.1
RA159
VDDQ
2
39
49
C12
0.1
XWE3
UDQM
VDDQ
3
10k
XWE2
15
LDQM
4
D
1
RA160
2
6
VSSQ
3
10k
12
VSSQ
4
36
46
NC
VSSQ
1
52
RA161
VSSQ
2
40
28
NC
VSS
3
10k
41
VSS
4
54
VSS
1
RA162
2
M12L128168AP1L
D
3
10k
4
1
IC6
RA163
2
A14
20
53
1
8
RA30
D15
A13
DQ15
3
10k
21
51
2
7
A15
D14
A12
DQ14
4
35
50
3
6
A13
D13
A11
DQ13
1
A12
22
48
4
5
47
D12
A10/AP
DQ12
RA164
2
A11
34
47
1
8
RA35
D11
A9
DQ11
3
10k
33
45
2
7
A10
D10
A8
DQ10
4
32
44
3
6
A9
D9
A7
DQ9
1
A8
31
42
4
5
47
D8
A6
DQ8
RA165
2
A7
30
13
1
8
RA40
D7
A5
DQ7
3
10k
A6
29
11
2
7
D6
A4
DQ6
4
26
10
3
6
A5
D5
A3
DQ5
1
A4
25
8
4
5
47
D4
A2
DQ4
RA166
2
A3
24
7
1
8
RA41
D3
A1
DQ3
3
10k
A2
23
5
2
7
D2
A0
DQ2
4
4
3
6
D1
DQ1
2
4
5
47
D0
DQ0
+
XCS3
19
D
3.3
CS
XRASL
18
C17
10
RAS
XCASL
17
1
C18
0.1
CAS
VDD
16
14
C21
0.1
RD/XWR
WE
VDD
27
C22
0.1
VDD
CKE
37
3
C24
0.1
CKE
VDDQ
CKIO
10
38
9
C25
0.1
CLK
VDDQ
R23
43
C26
0.1
VDDQ
39
49
C27
0.1
XWE1
UDQM
VDDQ
XWE0
15
LDQM
D
6
VSSQ
12
VSSQ
36
46
NC
VSSQ
52
VSSQ
40
28
NC
VSS
41
VSS
54
VSS
M12L128168AP1L
D
XCS0
1
XRD
XCS6B
3
XICIORD
2
XCARD_SELECT
XCS4
IC12A
SN74LV08APWR
XCS0
XCS6B
XCARD_SELECT
XUSBCCS
IC15A
R60 33
7
IC17A
B
Y3
6
R49
33
XNDBUS
XWE2
1
NIU
A
Y2
5
R50
33
XSMNDCTL
3
Y1
XICIORD
4
R52
33
XCSFL
2
G
Y0
SN74LV32APWR
TC74VHC139FT
D
R65
IC15B
33
IC17B
9
4
NIU
XWE3
B
Y3
10
6
A
Y2
XICIOWR
11
R57
33
XUSBCCS
5
Y1
12
R58
SN74LV32APWR
33
XWX16CS
G
Y0
D
TC74VHC139FT
R70
NIU
XPCMCIA-WAIT
IC17C
9
NIU
XBIOIS16
XWXWAIT
XCS6B
8
XBBIOIS16
R74
10
33
R72
D
11
SN74LV32APWR
10k
XLCDCS
D
R77
NIU
NIU
R66
XFLRST
100
R69 100
IC18B
3
4
XRST_A
XRST_A
IC18C
5
6
XRST_B
XRST_B
R71
D
100
IC18D
9
8
SN74LV04APWR
D
D[31..0]
A[25..0]
D
+
3.3
C1
0.1
IC4
RA6 33
+
D
3.3
D
A8
9
11
1
8
BA8
BA8
1
8
A8
B8
RA7
A9
8
12
2
7
BA9
BA9
2
7
A7
B7
7
13
3
6
3
6
10k
A10
BA10
BA10
A6
B6
A11
6
14
4
5
BA11
BA11
4
5
A5
B5
A12
5
15
1
8
BA12
BA12
1
8
A4
B4
RA13
A13
4
16
2
7
BA13
BA13
2
7
A3
B3
3
17
3
6
3
6
10k
A14
BA14
BA14
A2
B2
2
18
4
5
4
5
A15
BA15
BA15
A1
B1
RA12 33
19
OE
1
+
DIR
D
3.3
SN74LV245A-PW
D
+
D
3.3
C4
0.1
RA21
IC5
+
33
D
3.3
D
A0
9
11
1
8
BA0
BA0
1
8
A8
B8
A1
8
12
2
7
BA1
BA1
2
7
A7
B7
RA22
A2
7
13
3
6
BA2
BA2
3
6
A6
B6
6
14
4
5
4
5
10k
A3
BA3
BA3
A5
B5
A4
5
15
1
8
BA4
BA4
1
8
A4
B4
RA25
A5
4
16
2
7
BA5
BA5
2
7
A3
B3
A6
3
17
3
6
BA6
BA6
3
6
10k
A2
B2
2
18
4
5
4
5
A7
BA7
BA7
A1
B1
RA24 33
19
OE
1
+
DIR
D
3.3
R17
NIU
SN74LV245A-PW
D
XFLRST
+
D
3.3
C14
0.1
IC7
RA36 22
RA37 33
+
D
3.3
D
4
5
9
11
1
8
4
5
D8
BD8
BD15
A8
B8
RA34
D9
3
6
8
12
2
7
BD9
BD14
3
6
A7
B7
D10
2
7
7
13
3
6
BD10
BD13
2
7
10k
A6
B6
1
8
6
14
4
5
1
8
D11
BD11
BD12
A5
B5
4
5
5
15
1
8
4
5
D12
BD12
BD11
A4
B4
RA38
D13
3
6
4
16
2
7
BD13
BD10
3
6
A3
B3
D14
2
7
3
17
3
6
BD14
BD9
2
7
10k
A2
B2
D15
1
8
2
18
4
5
BD15
BD8
1
8
A1
B1
IC27B
RA32 22
RA33
19
33
SN74LV32APWR
OE
1
XBRD
4
DIR
5
XNDBUS
SN74LV245A-PW
XBWE0
9
D
10
+
D
3.3
C23
0.1
IC27C
IC8
SN74LV32APWR
RA45 22
RA46 33
+
D
3.3
D
4
5
9
11
1
8
4
5
D0
BD0
BD7
A8
B8
RA44
D1
3
6
8
12
2
7
BD1
BD6
3
6
A7
B7
D2
2
7
7
13
3
6
BD2
BD5
2
7
10k
A6
B6
D3
1
8
6
14
4
5
BD3
BD4
1
8
A5
B5
4
5
5
15
1
8
4
5
D4
BD4
BD3
A4
B4
RA47
3
6
4
16
2
7
3
6
D5
BD5
BD2
A3
B3
D6
2
7
3
17
3
6
BD6
BD1
2
7
10k
A2
B2
D7
1
8
2
18
4
5
BD7
BD0
1
8
A1
B1
RA42 22
RA43 33
+
19
D
3.3
C72
OE
1
0.1
DIR
D
SN74LV245A-PW
13
15
BD3
D4
4Q
12
10
D
BD2
D3
3Q
BD1
5
7
D2
2Q
1
BD0
4
2
D1
1Q
2
IC11A
6
14
IC27A
4Q
4
SN74LV32APWR
11
3Q
5
SN74LV21APWR
XBWE0
1
1
6
CLR
2Q
IC11B
3
9
3
CK
1Q
9
2
XSMNDCTL
10
SN74LV21APWR
IC24
8
R95
TC74VHC175FT
12
XFLRST
D
13
R42
33
0
C88
100p
XWE0
1
IC16A
3
R51
33
XBWE0
D
2
12
SN74LV32APWR
11
XWE1
4
IC16B
13
6
R54
33
XBWE1
5
D
SN74LV32APWR
IC27D
XRD
9
IC16C
SN74LV32APWR
8
R55
33
XBRD
10
SN74LV32APWR
D
+
C42
D
3.3
0.1
IC13
TC7SH32FU
4
IC12B
D
6
XWAIT
XCS2
1
R46
5
4
33
XCS2B
SN74LV08APWR
2
C47
NIU
9
XBWE0
IC12C
8
D
D
XPANELWE
XBWE1
10
SN74LV08APWR
R53
NIU
JUNO-G/JUNO-G (J)
BD[15..0]
BA[15..0]
BA[15..0]
RA90
NIU
IC2
BA0
5
4
17
45
6
3
A18
A17
DQ15/A-1
48
43
7
2
A17
A16
DQ14
A16
1
41
8
1
A15
DQ13
BA15
2
39
5
4
A14
DQ12
BA14
3
36
6
3
A13
DQ11
4
34
7
2
BA13
A12
DQ10
BA12
5
32
8
1
A11
DQ9
BA11
6
30
A10
DQ8
RA91
BA10
7
44
BD7
D
A9
DQ7
8
42
NIU
BA9
BD6
A8
DQ6
18
40
BA8
BD5
A7
DQ5
BA7
19
38
BD4
A6
DQ4
BA6
20
35
BD3
A5
DQ3
BA5
21
33
BD2
A4
DQ2
22
31
BA4
BD1
A3
DQ1
BA3
23
29
BD0
A2
DQ0
BA2
24
A1
BA1
25
A0
16
NC
14
NC
13
NC
XCSFL
26
10
CE
NC
11
9
XBWE0
WE
NC
+
28
D
3.3
XBRD
OE
15
37
RY/BY
VCC
47
BYTE
C8
C389
12
0.1
RESET
46
10/16
VSS
R16
27
VSS
0
S29AL004D70TFI020@
D
D
D
C426 10/16
+
C13
D
3.3
100p
C74
0.1
C77
0.1
IC25
D
XNFCS
9
44
BD7
CE
I/O8
XNFWE
18
43
BD6
WE
I/O7
XNFRE
8
42
BD5
RE
I/O6
7
41
NFRXB
BD4
RY/BY
I/O5
16
32
NFCLE
BD3
CLE
I/O4
NFALE
17
31
BD2
ALE
I/O3
0
19
30
BD1
WP
I/O2
R89
29
BD0
I/O1
1
NC
2
48
NC
NC
3
47
NC
NC
4
46
NC
NC
5
45
D
NC
NC
10
40
NC
NC
6
C82
11
39
NC
NC
14
38
NIU
NC
NC
15
35
NC
NC
20
34
NC
NC
8
21
33
NC
NC
22
28
NC
NC
23
27
NC
NC
24
26
NC
NC
25
NC
TC58DVM82A1TG00@
XRST_A
D
RA48
D
+
3.3
NFALE
1
8
2
7
3
6
NFRXB
4
5
10k
A24
A24
XCARD_SELECT
XCARD_SELECT
XDREQ0
XDREQ0
XDACK0
XDACK0
+
D
3.3
XUSBCCS
XUSBCCS
XWX16CS
XWX16CS
CKIO
CKIO
C97
0.1
XWE0
XWE0
XRD
XRD
XCS2B
XCS2B
XCE1A
D
XCE1A
IC27E
XCE2A
XCE2A
SN74LV32APWR
XCE2B
XCE2B
XNDBUS
XNDBUS
EEPCS0
EEPCS0
XBWE0
XBWE0
XBWE1
XBWE1
XBRD
XBRD
31

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