Roland RD-700SX - Circuit Diagram(Main Board 4;6); Circuit Diagram (Main Board 6;6)

38
Jan. 2005 RD-700SX
CIRCUIT DIAGRAM(MAIN BOARD 4/6)
fig.17-04main-sch04.eps
C263
C246
R243
C
1
8
4
R242
C
1
9
1
R126
IC38
R130
R129
R128
C
1
7
8
R120
IC39
R137
RA82
C
1
9
2
R
1
3
6
R121
C
1
7
3
C
1
7
4
IC23
C172
R132
C219
R265
C218
R146
RA76
R145
R248
R245
IC39
R125
R123
R124
R131
C
1
7
7
R
2
6
8
C183
C250
C
1
9
3
C189
C188
CN8
R135
C175
CN9
R246
C181
C171
R127
C182
R122
C230
R
1
4
1
C264
R143
R148
IC22
R139
R241
C185
C190
C
1
8
7
C251
R147
R144
RA79
IC38
R142
R140
R133
C170
RA78
C267
C266
RA81
C236
C244
R244
C265
RA75
R138
RA80
C245
RA77
IC39
R134
C176
C248
C247
C249
C
1
7
9
C252
C180
R247
WA (22 )
IC38
ROUT
LOUT
AGNDAGND
A12VP
AGND
AGND
A5V
A12VN
A12VP
AGND
A5V
AGND
A12VP
WA (20 )
DGND
DACSDTI
DACCLK
DACCS
BXPD
WXSD0
WXL RC K
WXMC K
WXB C K
AGND
AGND
DGND A GND
DGND A GND
DGND A GND
DGND A GND
DGND A GND
DGND A GND
DO
D3R3V2
DGND
DGND A GND
DGND
WD(2)
WD(13)
WD(9)
WD(6)
WD(1)
WD(14)
WD(0:15)
DGND
D3R3V2
D5V
XWCS7
XWCS6
DGND
WD(11)
WD(4)
WD(3)
WD(12)
WD(10)
WD(5)
DGND
XWWE
BXRST
DGND
WA (9)
WA (8)
WA(10)
WA(1:24)
XWOE
DGND
WA(24)
EEPC SB
DI
DGND
EEPC SA
SK
DGND
XWCS4
XWCS5
WA (5)
WA (13 )
WA (4)
WA (14 )
WA (3)
WA (15 )
WA (2)
WA (16 )
WA (21 )
WA (19 )
WA (18 )
WA(24)
WA(24)
WD(8)
WD(7)
WD(0)
WD(15)
WA (17 )
WA (1)
WA (23 )
WA (7)
WA (11 )
WA (6)
WA (12 )
CIRCUIT DIAGRAM (MAIN BOARD 6/6)
fig.17-06main-sch06.eps
I
C
2
7
I
C
2
6
I
C
2
8
I
C
2
9
X
W
O
E
D3R3V2
W
A
(
1
5
)
W
A
(
1
4
)
W
A
(
1
3
)
W
A
(
1
2
)
W
A
(
1
1
)
W
A
(
1
0
)
W
A
(
9
)
W
A
(
8
)
W
A
(
7
)
W
A
(
6
)
W
A
(
5
)
W
A
(
4
)
W
A
(
3
)
W
A
(
2
)
W
A
(
1
)
X
W
C
S
0
W
D
(
5
)
W
D
(
4
)
W
D
(
3
)
W
D
(
2
)
W
D
(
1
)
W
D
(
0
)
D3R3V2
DGND
W
A
(
2
3
)
W
A
(
2
2
)
W
A
(
2
1
)
W
A
(
2
0
)
W
A
(
1
9
)
W
A
(
1
8
)
W
A
(
1
7
)
W
A
(
1
6
)
W
A
(
1
9
)
W
A
(
1
8
)
W
A
(
1
7
)
W
A
(
1
6
)
W
A
(
1
5
)
W
D
(
1
0
)
W
D
(
1
1
)
W
D
(
1
2
)
W
D
(
1
3
)
W
D
(
1
4
)
W
D
(
1
5
)
WA (1 :24)
W
D
(
9
)
W
D
(
8
)
W
D
(
7
)
W
D
(
6
)
W
A
(
1
3
)
W
A
(
1
2
)
W
A
(
1
1
)
W
A
(
1
0
)
W
A
(
9
)
W
A
(
8
)
W
A
(
7
)
W
A
(
6
)
W
A
(
5
)
W
A
(
2
2
)
W
A
(
4
)
W
A
(
3
)
W
A
(
2
)
W
A
(
1
)
W
A
(
2
1
)
W
A
(
2
0
)
W
D
(
7
)
W
D
(
8
)
W
D
(
9
)
W
D
(
1
0
)
W
D
(
1
1
)
W
D
(
1
2
)
W
D
(
1
3
)
W
D
(
1
4
)
W
D
(
1
5
)
W
A
(
1
9
)
W
A
(
1
8
)
W
A
(
1
7
)
W
A
(
1
6
)
W
A
(
1
5
)
W
A
(
2
3
)
W
A
(
1
4
)
W
A
(
2
2
)
W
A
(
4
)
W
A
(
3
)
W
A
(
2
)
W
A
(
1
)
DGND
W
A
(
2
1
)
D3R3V2
W
D
(
0
)
W
D
(
1
)
W
D
(
2
)
W
D
(
3
)
W
D
(
4
)
W
D
(
5
)
W
D
(
6
)
W
A
(
2
0
)
W
A
(
1
9
)
W
A
(
1
8
)
W
A
(
1
7
)
W
A
(
1
6
)
W
A
(
1
5
)
W
A
(
2
3
)
W
A
(
1
4
)
W
A
(
1
3
)
W
A
(
1
2
)
W
A
(
1
1
)
W
A
(
1
0
)
W
A
(
9
)
W
A
(
8
)
W
A
(
7
)
W
A
(
6
)
W
A
(
5
)
W
D
(
1
)
W
D
(
2
)
W
D
(
3
)
W
D
(
4
)
W
D
(
5
)
W
D
(
6
)
W
A
(
2
0
)
W
D
(
7
)
W
D
(
8
)
W
D
(
9
)
W
D
(
1
0
)
W
D
(
1
1
)
W
D
(
1
2
)
W
D
(
1
3
)
W
D
(
1
4
)
W
D
(
1
5
)
W
A
(
8
)
W
A
(
7
)
W
A
(
6
)
W
A
(
5
)
W
A
(
2
2
)
W
A
(
4
)
W
A
(
3
)
W
A
(
2
)
W
A
(
1
)
X
W
C
S
1
X
W
O
E
D3R3V2
DGND
W
A
(
2
1
)
D3R3V2
W
D
(
0
)
W
D
(
7
)
W
D
(
8
)
W
D
(
9
)
W
D
(
1
0
)
W
D
(
1
1
)
W
D
(
1
2
)
W
D
(
1
3
)
W
D
(
1
4
)
W
D
(
1
5
)
W
A
(
2
3
)
W
A
(
1
4
)
W
A
(
1
3
)
W
A
(
1
2
)
W
A
(
1
1
)
W
A
(
1
0
)
W
A
(
9
)
WD(0:15)
X
W
C
S
3
X
W
O
E
D3R3V2
X
W
C
S
2
X
W
O
E
D3R3V2
DGND
D3R3V2
W
D
(
0
)
W
D
(
1
)
W
D
(
2
)
W
D
(
3
)
W
D
(
4
)
W
D
(
5
)
W
D
(
6
)