Roland G-70 - Circuit Diagram (Left Control 6;6)

G-70
Feb.2005
123
122
LD3
LD1
LD2
LD0
LD7 LD4 LD5 LD6
SDA1
SDA1
LD2 LD1 LD0
LD[0..7]
SCL1
SCL1
LD7 LD3 LD5 LD4 LD6
+
5D
D
D
D
D
D
+
5D
DD
+
5D
D
D
+
5D
+
5D
+
5D
+
5D
DD
+
5D
D
+
5D
D
D D
+
5D
D
+
5D
D
D D
+
5D
+
5D
D
D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
SDA1
SCL1
TO LEFT LCD CONTROL BOARD
LD1
LD2
SW3
SW4
SW1
SW2
LD3
LD4
PLAY/STOP
START/STOP
ID=6
ID=7
CH1 (011)
CH1 (010)
PLAY/STOP START/STOP
(CN1)
C54
NIU
C54
NIU
R115
1K
R115
1K
C53
NIU
C53
NIU
C49
100nF
C49
100nF
R120
2K2
R120
2K2
C51
NIU
C51
NIU
3
12
Q37
RN2227
Q37
RN2227
3
1 2
Q44
DTC114 ES
Q44
DTC114 ES
C52
100nF
C52
100nF
12 3
D97
SPR-325MVM
D97
SPR-325MVM
R105
NIU
R105
NIU
C48
100uF
C48
100uF
3
4
5
6
7
8
2
1
9
10
CN6
53015-1010
CN6
53015-1010
R121
680I
R121
680I
3
1 2
Q40
DTC114 ES
Q40
DTC114 ES
R122
NIU
R122
NIU
R119
2K2
R119
2K2
R118
2K2
R118
2K2
R132
1K
R132
1K
R135
56I
R135
56I
R134
56I
R134
56I
3
12
Q46
RN2227
Q46
RN2227
3
1 2
Q42
DTC114 ES
Q42
DTC114 ES
3
1 2
Q47
DTC114 ES
Q47
DTC114 ES
R104
NIU
R104
NIU
SO
1
SCL
2
SDA
3
D0
4
D1
5
D2
6
D3
7
GND
8
D4
9
D5
10
D6
11
D7
12
VDD
13
CS2
14
CS1
15
CS0
16
IC12
M62320P
IC12
M62320P
SW56
EVQ-PAE 05 R
SW56
EVQ-PAE 05 R
R116
56I
R116
56I
C50
NIU
C50
NIU
R114
1K
R114
1K
SO
1
SCL
2
SDA
3
D0
4
D1
5
D2
6
D3
7
GND
8
D4
9
D5
10
D6
11
D7
12
VDD
13
CS2
14
CS1
15
CS0
16
IC13
M62320P
IC13
M62320P
3
12
Q38
RN2227
Q38
RN2227
3
1 2
Q43
DTC114 ES
Q43
DTC114 ES
3
1 2
Q39
DTC114 ES
Q39
DTC114 ES
R133
1K
R133
1K
3
1 2
Q41
DTC114 ES
Q41
DTC114 ES
3
12
Q45
RN2227
Q45
RN2227
3
1 2
Q48
DTC114 ES
Q48
DTC114 ES
4 5 6 7 8 9 3 2
1
RA5
8x10K
RA5
8x10K
R117
56I
R117
56I
4 5 6 7 8 9 3 2
1
RA6
8x10K
RA6
8x10K
R123
NIU
R123
NIU
SW57
EVQ-PAE 05 R
SW57
EVQ-PAE 05 R
12 3
D98
SPR-325MVM
D98
SPR-325MVM
CIRCUIT DIAGRAM (LEFT CONTROL 6/6)