Roland RD-700 - Turning the Power Off; Adjusting the Volume

Jun. 2001 RD-700
CIRCUIT DIAGRAM (MAIN BOARD 3/4) fig.main3
L_OUT R_OUT
6.8k
6.8k
1
1 1
1
6.8k
6.8k
MAIN BOARD D/A CONVERTER & KEY SCAN & 2nd ERAM SECTION
(GM71VS16163CLT-6) (GM71VS16163CLT-6)
BA1 XCS4 XRST XKEYINT BXRD
CD[0..15]
CD4 CD13 CD12 CD14 CD2 CD1 CD6 CD15 CD10 CD9 CD3 CD8 CD7 CD5 CD0 CD11
12R5MHZ
CKCT6 CKCT5 CKCT4 CKCT3 CKCT2 CKCT1 CKCT0
CKCT6 CKCT5 CKCT4 CKCT3 CKCT2 CKCT1 CKCT0
XMASK XSMOD X2KBD POLA
POLA TXEN
T3
T3 T2 T7
T5
T6 T4
T6 T7 T4 T2
T5
SC12
SC16 SC15 SC14 SC12 SC8
SC3
SC2
SC0
SC9 SC6
SC2 SC6
SC1 SC3 SC10 SC4
SC4
SC5
SC1
SC0
SC5
TXEN
XSMOD XMASK X2KBD
SC11 SC17
SC11 SC5 SC0 SC2 SC4 SC3 SC1 SC6
T5 T7 T4 T3 T2 T6 SC9 SC10 SC8
SC16 SC15 SC9 SC10 SC8 SC14 SC17 T2 T5 T3 T4 T7 T6 PR3 SC13 PR4
PR9
PR5
PR5
PR4
PR4 PR10 PR8
PR15
PR0
PR7
PR11
PR1
PR1
PR17 PR2
PR2
PR3
PR1 PR7
PR7
SC13 PR13
PR16 PR14
PR6
PR6 PR10
PR8
PR9
SC7
PR8 PR15 PR17
PR9
PR5
SC7
PR6
PR0 PR12 PR14 PR10 PR3
PR[0..17]SC[0..17]
PR12
PR2
PR11 PR16
PR0
SC7
PR13
T0
T0 T1
T1
T0
T[0..7]
T1
T0
T1
SYSCK XPD BCK LRCK SD
SCS
SEA6
ML0
SED6
MCS
MED2
MEA8
SL7 SED4
SEA1
MEA3
SL1 SED0
ML4 ML2
MRS
SL5 SL3
ML6
MEA0
SRS
SED2
SEA3
MRS
MEA4
SEA5
SWE
MED3MEA7 MED0 MED6
SL6 SED5 SED7
ML7
SWE
SED1
SEA7
MED1
SL2 SL0
SEA0
ML1
MWE
MEA6 MEA1
SL4
MED7
SED3
SEA8
MWE
SEA2
ML5 ML3
SCS
MED4
MEA2
SEA4
MCS
MEA5
SRS
MED5
SL[0..7]
MEA[0..8]
SED[0..7]MED[0..7]
ML[0..7]
SEA[0..8]
BA1
XCS4 XKEYINT XRST BXRD CD[0..15] 12R5MHZ
XPD SD LRCK BCK SYSCK
MEA[0..8] ML[0..7]
SWE
MCS
SEA[0..8]
MWE MED[0..7]
SCS SED[0..7]
MRS
SL[0..7] SRS
D
D D
D
D
D
D3R6V
D3R6V
D3R6V
D3R6V
D3R6V
A A A
A
A
A
A
D
A A
A
A
A AA
A15VN
A15VP
A15VP
A15VN
A5VP A15VPD3R6V
DD
D D
D3R6V
D3R6V
D3R6V
D3R6V
D3R6V
D3R6V
CN6 16FE-BT-VK-N
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
CN7 22FE-BT-VK-N
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
IC36 AK4393
DVSS
1
DVDD
2
MCLK
3
PD
4
BICK
5
SDATA
6
LRCK
7
SMUTE/CS
8
DFS
9
DEMO/CCLK
10
DEM1/CDTI
11
DIF0
12
DIF1
13
DIF2
14
BVSS
15
VREFL
16
VREFH
17
AVDD
18
AVSS
19
AOUTR-
20
AOUTR+
21
AOUTL-
22
AOUTL+
23
VCOM
24
P/S
25
CKS0
26
CKS1
27
CKS2
28
IC35 AN78L05M
IN
3
OUT
1
COM
2
CN2 B8B-PH-K-S
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
C152 33/16 C154 33/16 C163 33/16
C161 33/16 C162 33/16
C157 33/16
C155 33/16 C172 33/16
C168 33/16 C151 33/16
C144 33/16
C143 33/16
C145 33/16
C180 33/16
C181 33/16
C164
ECHU@
1500p
C153 ECHU@ 680p C169 ECHU@ 680p
C158
ECHU@
470p
C159
ECHU@
470p
C179
ECHU@
1500p
C178
ECHU@
680p C160
ECHU@
680p
C174
ECHU@
470p
C175
ECHU@
470p
C188 NIU
C189
33p
RA68
10k
12
3 4 5 6 7 8 9 10
RA59
10k
1 2
3 4 5 6 7 8 910
RA74
10k
1 2
3 4 5 6 7 8 910
RA73
10k
1 2
3 4 5 6 7 8 910
RA64
10k
1 2
3 4 5 6 7 8 910
RA65
10k
1 2
3 4 5 6 7 8 910
RA69
NIU
1 2
3 4 5 6 7 8 910
RA62 0
18 27 36 45
RA63 0
18 27 36 45
RA72 0
1 8 2 7 3 6 4 5
RA71 0
1 8 2 7 3 6 4 5
RA60 0
18 27 36 45
RA61 0
18 27 36 45
C183 0.1
C184 0.1 C182 0.1 C186 0.1
C185 0.1
C187 0.1
C171 0.1C177 0.1
C165 0.1 C166 0.1
C170 0.1C176 0.1
C156 0.1 C173 0.1
C150 0.1 C167 0.1
C148 0.1
C142 0.1
C149 0.1
R150 MCR50J@
100
R202
0
R203
0
R205
0
R204 0
R200 0
R201
0
R165
6.8k
R172
6.8k
R179
12k
R187
6.8k
R197
6.8k
R170 12kR196 12k
R164 6.8k
R166
33k
R167
6.8k
R158 5.6k
R159 5.6k
R157
12k
R199 0
R168 6.8k
R188
33k
R181 5.6k
R189
6.8k
R180 5.6k
R191 6.8k R185 6.8k
R155 NIU R161 0 R156 NIU R162 0 R160 0 R163 NIU
R154 NIU R176 NIU
R169 NIUR195 NIU
R171 NIU R173 0 R177 NIU R175 0 R184 NIU R186 NIU R190 NIU R192 0 R193 0 R194 0 R178 0 R174 0 R182 NIU R183 0
R198 0
R153 0
R152 NIU
R151 0
IC39 SLAC02AF2H(KSM)
D0
83
D1
84
D2
85
D3
86
D4
87
D5
88
D6
89
D7
90
D8
92
D9
93
D10
94
D11
95
D12
96
D13
97
D14
98
D15
99
A1
79
SMOD
72
PR0
3
CKCT1
65
CKCT2
66
CKCT3
67
CKCT4
68
CKCT5
69
CKCT6
70
POLA
71
PR1
5
CLKIN
61
PR2
7
TXEN
73
2KBD
2
MASK
27
INT
80
CS
78
RD
81
PR3
9
PR4
11
PR5
13
PR6
15
PR7
28
PR8
30
CKCT0
64
PR9
32
PR10
34
PR11
36
PR12
38
TEST0
62
RST
77
PR13
40
PR14
52
PR15
54
PR16
56
PR17
58
SC0
4
SC1
6
SC2
8
SC3
10
SC4
12
SC5
14
SC6
16
SC7
29
SC8
31
SC9
33
SC10
35
SC11
37
SC12
39
SC13
41
SC14
53
SC15
55
SC16
57
SC17
59
T0
17
T1
18
T2
19
T3
20
T4
21
T5
22
T6
23
T7
24
T8
42
T9
43
T10
44
T11
45
T12
46
T13
47
T14
48
T15
49
HVDD
82
LVSS
60
HVDD
1
HVDD
26
HVDD
51
LVSS
75
VSS
100
VSS
91
TXD
74
VSS
50
VSS
25
LVDD
76
LVDD
63
IC37A
UPC4570G
+ -
2
3
1
IC38C UPC4570G
+ -
84
IC37B
UPC4570G
+ -
6
5
7
IC38B
UPC4570G
+ -
6
5
7
IC37C UPC4570G
+ -
84
IC38A
UPC4570G
+ -
2
3
1
R310
0
R311
0
R312
0
R313
NIU
R314
NIU
R315
NIU
R316
0
R317
NIU
IC55 NIU
VCC
1
I/O0
2
I/O1
3
I/O2
4
I/O3
5
VCC
6
I/O4
7
I/O5
8
I/O6
9
I/O7
10
NC
11
NC
15
NC
16
WE
17
RAS
18
A11
19
A10
20
A0
21
A1
22
A2
23
A3
24
VCC
25
VSS
26
A4
27
A5
28
A6
29
A7
30
A8
31
A9
32
OE
33
UCAS
34
LCAS
35
NC
36
NC
40
I/O8
41
I/O9
42
I/O10
43
I/O11
44
VSS
45
I/O12
46
I/O13
47
I/O14
48
I/O15
49
VSS
50
IC56 NIU
VCC
1
I/O0
2
I/O1
3
I/O2
4
I/O3
5
VCC
6
I/O4
7
I/O5
8
I/O6
9
I/O7
10
NC
11
NC
15
NC
16
WE
17
RAS
18
A11
19
A10
20
A0
21
A1
22
A2
23
A3
24
VCC
25
VSS
26
A4
27
A5
28
A6
29
A7
30
A8
31
A9
32
OE
33
UCAS
34
LCAS
35
NC
36
NC
40
I/O8
41
I/O9
42
I/O10
43
I/O11
44
VSS
45
I/O12
46
I/O13
47
I/O14
48
I/O15
49
VSS
50
30 31